The Best BEA certifications -Visualexams ccna-dumps.com help you pass any IT exams

nr0-013 Free Demo Download

Certinside offers free demo for nr0-013 106 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-013 Exam Pdf Demo

Download nr0-013 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-013
Title : Teradata Sql v2r5 Exam

1. Click the Exhibit button.
Given the table and the query shown in the exhibit, what is the result set?
A. Smith
B. Miller
C. NULL
D. Fisher
E. Adams
Answer: D

2. What is the join type in the following query?
A. self join
B. cross join
C. nested join
D. Cartesian join
Answer: A

3. Where can the join condition for an inner join be specified? (Choose two.)
A. the ON clause
B. the ANY clause
C. the FROM clause
D. the WHERE clause
Answer: AD

4. Which command will display the account you are currently using?
A. HELP USER;
B. HELP SESSION;
C. HELP ACCOUNT;
D. EXPLAIN ACCOUNT;
E. SELECT ‘ACCOUNT’;
Answer: B

5. Which result do you get from the SELECT SESSION statement ?
A. the SQLFLAG value for the user
B. the session number for the user
C. the session transaction mode for the user
D. the number of sessions running for the user
Answer: B

6. What does the EXPLAIN output provide to assist the user in query analysis? (Choose two.)
A. which steps may be processed in parallel
B. what statistics should be collected on a column
C. accurate time measurements for query processing
D. details of which indexes, if any, will be used to process the query
E. recommendations to improve the query based on timing and sizing
Answer: AD

7. Which two statements about the ACCOUNT function are true? (Choose two.)
A. It has no arguments.
B. It cannot be used in a macro.
C. Value is provided by the parser.
D. It must be coded between quotes.
Answer: AC

8. Given the query
SELECT AVG(column1) FROM t1;
where t1 is an empty table, what is the result?
A. 0
B. Null
C. Error
D. No record found
Answer: B

9. Click the Exhibit button.
Given the two tables and the query shown in the exhibit, what is the result set?
A. 5, NULL
B. 2, NULL
C. 2, 2300
D. 3, NULL
E. 2, 20000
Answer: B

10. What are three characteristics of views? (Choose three.)
A. Views can contain a WHERE clause.
B. Views cannot be used to UPDATE a table.
C. Views must change if columns are added to a table.
D. Views are not affected if columns are added to a table.
E. Views provide an additional level of security or authorization.
Answer: ADE

11. What two types of tables are available when users need to create a small temporary table but only have spool space allocated to them? (Choose two.)
A. Volatile
B. Derived
C. Permanent
D. Global Temporary
Answer: AB

12. Consider the following query:
Which is true?
A. It returns information about employees who have no department number.
B. It returns information about departments that have no employees assigned to them.
C. The ON clause can be replaced with a WHERE clause to produce the same results.
D. It returns an output row for each successful match between employee and department.
Answer: D

13. What is the result of SELECT CAST(’bb12345′ AS CHAR(3)) in Teradata mode? (Note: b = blank)
A. 1
B. ‘bb1′
C. 123
D. 345
E. ‘123′
F. ‘345′
Answer: B

14. The choice of ANSI vs. Teradata mode affects which three items? (Choose three.)
A. data conversions
B. rounding behavior
C. case sensitivity defaults
D. transaction protocol behavior
Answer: ACD

15. Consider this request in Teradata mode:
DELETE t1;
Which request performs equivalently in ANSI mode?
A. DROP TABLE t1;
B. DELETE FROM t1;
C. DELETE FROM t1 ALL;
D. DELETE FROM t1; COMMIT;
Answer: D

16. Which information does HELP TABLE <tablename> provide about the specified table?
A. column name, data type, and comment
B. column name, index, data type, and comment
C. column name, table id, data type, and comment
D. column name, constraint, data type, and comment
Answer: A

nr0-011 Free Demo Download

Certinside offers free demo for nr0-011 81 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-011 Exam Pdf Demo

Download nr0-011 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-011
Title : Teradata Basics V2R5

1. Which three aspects of the DSS environment have gained importance as technology has improved? (Choose three.)
A.the ability to use detailed data
B.the ability to do ad hoc queries
C.the ability to do batch reporting
D.requiring the data to be in a data mart
E.the decreased need to use summary data
Answer: ABE

2. What are three main features of the Teradata database? (Choose three.)
A.portable to any platform
B.parallel aware optimizer
C.unconditional parallelism
D.automatic data distribution
Answer: BCD

3. Which two features are unique to Teradata? (Choose two.)
A.mature Optimizer
B.concurrent users
C.parallel architecture
D.industry standard access language (SQL)
Answer: AC

4. Which two statements are true about an OLTP environment? (Choose two.)
A.Transactions are write intensive.
B.The number of rows per transaction is large.
C.The number of rows per transaction is small.
D.Transactions typically occur within seconds, not minutes.
Answer: CD

5. Which three DBA tasks are not required in a Teradata environment? (Choose three.)
A.data modeling
B.index selection
C.database reorganizations
D.pre-prepare data for loading
E.pre-allocation of table space
Answer: CDE

6. Which business example is considered OLTP?
A.capacity planning for the RDBMS
B.ATM money withdrawal from a bank
C.query of retailer database to determine monthly sales of shoes
D.determining the interest rate for a loan, based on credit rating and current assets
Answer: B

7. Which is an example of an OLTP environment?
A.updating a checking account to reflect a deposit
B.creating a report to show how much credit can be extended to a customer
C.creating a report to show a comparison of sales from this week to last week
D.creating a report that shows the top ten selling items across all stores for one year
Answer: A

8. You are designing a data warehouse which your customers will use for long range strategic planning and to answer "what if" type questions.
What type of system should you design?
A.DSS
B.ODS
C.OLTP
D.RDBD
Answer: A

9. What are two benefits of a business model? (Choose two.)
A.Data is organized according to what it represents.
B.There is a unique data model for each department.
C.Data is organized according to how it is accessed.
D.The data model is the same regardless of data volume.
Answer: AD

10. How does Teradata handle data access? (Choose three.)
A.The PEs handle Session Control functions.
B.The BYNET sends a communication between the nodes.
C.The BYNET sends the answer set back to the application.
D.The AMPs convert the SQL into steps that are sent out by the Dispatcher.
E.The AMPs retrieve and perform database functions on the requested rows.
Answer: ABE

11. Which two key aspects must be considered for an OLTP application? (Choose two.)
A.Many tables must be accessed to retrieve data.
B.Only a few of many possible tables are accessed.
C.Very little I/O processing is required to complete a transaction.
D.Data retrieved may need further processing using aggregations, joins, or sorts.
Answer: BC

12. Due to linear scalability, which two can Teradata provide? (Choose two.)
A.redundant data storage for fault tolerance
B.ability to accommodate 32 CPUs on a node
C.investment protection for application development
D.increased workload without decreased throughput
Answer: CD

13. What describes Teradata’s architecture?
A.shared data
B.shared nothing
C.shared memory
D.shared everything
Answer: B

14. Which three are characteristics of Active Data Warehousing? (Choose three.)
A.allows for data redundancy
B.provides scalability to support large amounts of detailed data
C.allows users to directly update the operational data store (ODS)
D.provides an integrated environment that supports strategic and tactical queries
Answer: BCD

15. What is a transaction?
A.a logical unit of work
B.a single SQL statement
C.a logon, submittal of work, and logoff
D.a single SQL statement and the unit of recovery
Answer: A

16. Why would you have two physical LAN connections per node connected to the customer’s network?
A.for redundancy
B.to double the request speed
C.so two session connections can be made concurrently
D.so one can accept requests and the other can return responses
Answer: A

nr0-015 Free Demo Download

Certinside offers free demo for nr0-015 120 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-015 Exam Pdf Demo

Download nr0-015 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-015
Title : Teradata design architecture v2r5 exam

1. Which types of Teradata locks are compatible? (Choose two.)
A. a read lock and a read lock
B. a read lock and a write lock
C. a write lock and a write lock
D. a write lock and an access lock
Answer: AD

2. In Priority Scheduler, which two tasks are important in planning the allocation of system resources? (Choose two.)
A. calculating how many CPU cycles are available
B. recognizing the goal of using Priority Scheduler
C. gaining an understanding of the current workload
D. defining at least four Resource Partitions for workload balance
Answer: BC

3. Which Teradata Analyst tool is used to perform a "what-if" analysis on a given workload to determine the optimal set of secondary indexes?
A. Teradata Index Wizard
B. Teradata Visual Explain
C. Teradata Statistics Wizard
D. Teradata System Emulation Tool
Answer: A

4. What can you do to improve a query’s performance without restarting Teradata? (Choose three.)
A. increase the number of cylinder slots in FSG Cache
B. modify the weights assigned to the user’s Allocation Group
C. modify the weights assigned to the user’s Resource Partition
D. change the priority of the user’s session which is running slow
E. modify the user’s account to increase the spool space of the user
Answer: BCD

5. When organizing the system into databases, the Teradata administrator must consider which two questions? (Choose two.)
A. How frequently are the archives of the tables needed?
B. Which views are needed to be used by the same users?
C. Which users will be doing the FastLoads of multiple tables?
D. Which views are needed to have extended privileges such as update and delete?
Answer: BD

6. You are using the Statistics Wizard. You define a workload from _____. (Choose two.)
A. statement text
B. workload monitor
C. DBQL statements
D. TDQM statements
Answer: AC

7. When tuning for tactical queries in Priority Scheduler, which two options are available? (Choose two.)
A. reserve AMP Worker Tasks for tactical queries
B. place the users submitting tactical queries in Allocation Group 0
C. place the users submitting tactical queries in Resource Partition 0
D. place the users submitting tactical queries in Allocation Groups with the highest weight
Answer: AD

8. An eight node Teradata system has DBC.CRASHDUMPS defined as FALLBACK. Assume 200 MB/node is required for one PDE dump. The current allocation for CRASHDUMPS is 1600 MB. The DBA wants the CRASHDUMPS allocation to hold the recommended three PDE dumps. What should the total space allocation be for CRASHDUMPS, and what database does this space come from?
A. 600 MB from database ALL
B. 600 MB from database DBC
C. 4800 MB from database DBC
D. 4800 MB from database ALL
Answer: C

9. Which three processes are useful when determining a workload definition for TDQM? (Choose three.)
A. DBQL analysis of join types for the schedule period
B. DBQL analysis of full table scans requested during the period
C. the number of Resource Partitions defined in Priority Scheduler
D. Priority Scheduler output containing queue length and wait times
E. the Statistics Wizard analysis of needed statistics for this workload
Answer: ABD

10. What improves overall job mix and throughput? (Choose three.)
A. changing the poorly performing queries to $R status
B. defining Allocation Groups for different times of the day
C. maintaining development and testing users in a separate Allocation Group
D. using the Priority Scheduler Administrator to set slow AMPs to a higher priority
E. using the MODIFY USER statement to change the ACCOUNT for users receiving too much or too little CPU
Answer: BCE

11. What should an analysis defining TDQM restrictions include? (Choose three.)
A. the client resources available during the peak periods
B. a list of users whose access must be above restriction
C. a projection of the growth pattern for major tables in the database
D. an understanding of the timing requirements for maintenance of specific tables or databases
E. a listing of the requirements for critical applications and the times of day that are most critical
Answer: BDE

12. When defining Roles in Teradata, what are two questions that should be asked? (Choose two.)
A. From which network path will this user access Teradata?
B. Will this user need more than just SELECT access to the data?
C. Will this user be assigned to perform more than one job function?
D. What characteristics are important for this user’s password controls?
Answer: BC

13. When predicting the size requirements for global temporary tables, which two should be considered? (Choose two.)
A. the archive policy for the system
B. the spool requirements for the user
C. the size and number of rows per use
D. the number of concurrent materializations per user
Answer: CD

14. Which is the right formula to calculate the base table size with Fallback?
A. (Number of blocks*Typical block size) + (Number of header bytes*2)
B. 2(Number of blocks*Typical block size) – Number of header bytes
C. 2(Number of blocks*Typical block size) + Number of header bytes
D. (Number of blocks*Typical block size) – (Number of header bytes*2)
Answer: C

15. Which two options are available when grouping the Teradata users under profiles? (Choose two.)
A. control over the object creation access rights
B. management of the Priority Scheduler Performance Groups
C. management over the external connections available to users
D. control of the AMP Usage Logging and Account String Expansion
Answer: BD

16. How will a query be affected when run against a table without Fallback if an AMP is down?
A. The query will not execute under these conditions.
B. The query will execute and return data from all AMPs.
C. The query will execute only if it does not require data from the down AMP.
D. The query will always execute and return data from only the AMPs that are available.
Answer: C

nr0-014 Free Demo Download

Certinside offers free demo for nr0-014 88 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-014 Exam Pdf Demo

Download nr0-014 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-014
Title : Teradata Administration v2r5 Exam

1. How are inherited privileges applied by the database administrator?
A. by using GIVE to change user hierarchy
B. by automatically applying inherited privileges
C. by granting inherited privileges directly to the user
D. by granting privileges with the ALL option to a user
Answer: D

2. Users are complaining about poor system response time. You have identified a query that is consuming a large amount of CPU. You run an EXPLAIN on this query.
Which two steps in the EXPLAIN could identify the source of contention? (Choose two),
A. a Merge Join of two large tables
B. a (1=1) product join of two large tables
C. duplication of a small table across all AMPs
D. a Merge Join of a small table to a large table
E. redistribution of a large table across all AMPs
Answer: BE

3. You have User A running a complex join with $L priority in the DEFAULT partition. The database administrator uses Teradata Manager to change the priority of the user’s query to $R.
Which two effects does this change have on the jobs currently running on a busy system? (Choose two).
A. The other users’ jobs are not affected.
B. User A’s job will experience performance degradation.
C. User A’s job will experience a performance improvement.
D. The other users’ jobs experience performance degradation.
E. The other users’ jobs experience a performance improvement.
Answer: CD

4. What does the CPU Eff % column measure in the ResNode macro?
A. efficiency of each CPU in each node
B. percentage of CPUs working efficiently in all nodes
C. how well the CPUs work in parallel across all nodes
D. percentage of CPUs working in parallel across all nodes
Answer: C

5. What is a benefit of assigning account strings at the profile level?
A. enables you to change all or part of the designation just once for many users
B. enables you to grant privileges to a group of users based on their account string
C. enables you to save space by reducing the number of rows inserted into DBC. AMPUsage
D. enables you to save space by reducing the number of rows inserted into DBC. AccessRights
Answer: A

6. Two thousand users have just been added to the Teradata database and are experiencing connection problems.
What could you add to resolve the problem?
A. PEs
B. AMPs
C. vdisks
D. I/O service processors
Answer: A

7. Which view can be used to determine I/O and CPU usage at the user level?
A. ResNode
B. AMPUsage
C. ResIOView
D. ResCPUUsageByAMPView
Answer: B

8. Which two can be determined with AMPUsage data? (Choose two.)
A. user activity
B. user privileges
C. session priority
D. database owners
Answer: AC

9. Which ResUsage table provides information on node utilization?
A. ResUsageSctl
B. ResUsageSvpr
C. ResUsageScpu
D. ResUsageSpma
Answer: D

10. Which three utilities are limited by the MaxLoadTasks parameter in the DBSControl utility? (Choose three.)
A. BTEQ
B. TPump
C. FastLoad
D. MultiLoad
E. FastExport
Answer: CDE

11. Which facility automatically manages system workflow by preventing queries from entering the system that violate predefined rules?
A. TDQM
B. ResUsage
C. DBSControl
D. Priority Scheduler
Answer: A

12. You are using Database Query Log (DBQL).
Logging can be invoked on _____. (Choose three.)
A. all users
B. a list of users
C. a list of account strings
D. a list of database objects
Answer: ABC

13. You are working in the Default resource partition.
Which Performance Group should be used sparingly due to the negative performance that can be introduced into your system?
A. $M
B. $L
C. $R
D. $H
Answer: C

14. When troubleshooting bottlenecks, which two utilizations should you examine first? (Choose two.)
A. disk utilization
B. CPU utilization
C. BYNET utilization
D. channel utilization
E. memory utilization
Answer: AB

15. Which ResUsage table should you look at to determine node memory usage?
A. ResUsageSldv
B. ResUsageSvpr
C. ResUsageScpu
D. ResUsageSpma
Answer: D

16. Which three do you use to change collection and logging rates for ResUsage in Teradata? (Choose three.)
A. xctl
B. gdb
C. xdbw
D. ferret
E. Teradata Manager
Answer: ACE

nr0-017 Free Demo Download

Certinside offers free demo for nr0-017 168 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-017 Exam Pdf Demo

Download nr0-017 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-017
Title : Teradata masters update v2r5 exam

1. Teradata Visual Explain supports the comparison of how many plans?
A. 4
B. 16
C. 32
D. unlimited
Answer: D

2. To use the Teradata System Emulation Tool (TSET), Target Level Emulation must first be enabled on a test system using which utility?
A. Ferret
B. DBSControl
C. Vproc Manager
D. Teradata Performance Monitor
Answer: B

3. Which three default options are available as built-in physical actions to a triggered alert within Teradata Manager? (Choose three.)
A. send an email
B. abort a session
C. execute a program
D. increase spool space
E. raise the priority of a session
Answer: ABC

4. Using the Teradata Statistics Wizard, workloads may be _____. (Choose two.)
A. defined from Query Capture Database (QCD) statements
B. imported from another system
C. defined from the Workload Monitor
D. defined from Teradata Dynamic Query Manager (TDQM) statements
Answer: AB

5. Which join plan makes use of a primary index on each of two tables with matching partitioned primary indexes (PPIs)?
A. nested
B. rowhash merge
C. exclusion merge
D. rowkey-based merge
Answer: D

6. Teradata Manager’s utilities can be used for which three activities? (Choose three.)
A. workload analysis
B. performance monitoring
C. archiving and restoring data
D. running remote console commands
E. distributing Teradata application software to remote clients
Answer: ABD

7. Which three statements about collecting statistics are true? (Choose three.)
A. Statistics can be collected using a sample of the table data.
B. Multi-column statistics can be collected without creating an index.
C. Statistics can be collected on a maximum of 16 columns and indexes per table.
D. Statistics can be collected on a maximum of 512 columns and indexes per table.
E. Statistics can be useful in determining which AMP(s) will be accessed for query processing.
Answer: ABD

8. What are two functions of the Teradata Index Wizard? (Choose two.)
A. allows for "what-if" analysis
B. allows you to schedule index creation
C. allows importing of workload from Teradata Manager
D. allows for a visual explanation of the index creation plan
Answer: AB

9. Which two can be used to validate the effectiveness and usefulness of statistics on a given query? (Choose two.)
A. HELP STATISTICS
B. Teradata Statistics Wizard
C. checking how recently the statistics were refreshed
D. checking the confidence level in the EXPLAIN output
Answer: BD

10. An EXPLAIN output contains the following phrase:
"by way of a traversal of index #12 extracting row ids only"
Which statement is true?
A. The query is using values found in a join index.
B. The EXPLAIN plan will never contain this output.
C. The query is using values found in a primary index.
D. The query is using values found in a secondary index.
Answer: D

11. Which two functions does the Teradata Statistics Wizard perform? (Choose two.)
A. recommends secondary indexes
B. executes the statistics collection recommendations
C. displays current versus captured statistics information
D. reproduces Optimizer-related issues in a test environment
E. recommends recollection of statistics based on table skew
Answer: BE

12. Which two does the Teradata System Emulation Tool (TSET) utility allow? (Choose two.)
A. import workloads from other Teradata utilities
B. import sample data from one system to another
C. import data demographics from one system to another
D. import system characteristics from one system to another
Answer: CD

13. Which three filters are available within Teradata Manager’s Session Status report? (Choose three.)
A. blocked
B. unusual
C. parceling
D. logging on
E. responding
Answer: ABE

14. An EXPLAIN output contains the following phrase:
"group_amps"
Which statement is true?
A. A group of rows on a fallback AMP is being updated.
B. The AMPs are being prepared for a local aggregation step.
C. The AMPs are being grouped in preparation for a vertical sort.
D. Subsequent steps will use a subset of AMPs instead of all AMPs.
Answer: D

15. An EXPLAIN output contains the following phrase:
"SORT to partition Spool 3 by rowkey"
Which two statements about Spool 3 are true? (Choose two.)
A. It will be partitioned by partition number within row hash.
B. It will be partitioned by row hash within partition number.
C. It will be sorted to prepare for joining to a partitioned table.
D. It will be sorted to prepare for joining to a non-partitioned table.
Answer: BC

16. Which three tasks can be performed by an authorized user of the Teradata Performance Monitor? (Choose three.)
A. abort user sessions
B. identify a blocked user
C. purge ResUsage tables
D. reset peak utilization values
E. display system efficiency measurements
Answer: ABE

nr0-016 Free Demo Download

Certinside offers free demo for nr0-016 104 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-016 Exam Pdf Demo

Download nr0-016 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-016
Title : Teradata Application Development v2r5 Exam

1. Which application development API requires a pre-processor in addition to a compiler for a high-level language?
A. CLI
B. ECLI
C. ODBC
D. Embedded SQL
Answer: D

2. Denormalization is done in which phase of modeling?
A. logical
B. physical
C. dimensional
D. extended logical
Answer: B

3. What are three characteristics of third normal form? (Choose three.)
A. There are no repeating groups.
B. Indexes are defined on the attributes.
C. Attributes must relate to the entire foreign key.
D. Attributes must relate to the entire primary key.
E. Attributes must relate to the primary key and not to each other.
Answer: ADE

4. Which two utilities can you use to export data for a report using RECORD mode from the Teradata database? (Choose two.)
A. BTEQ
B. TPump
C. FastExport
D. Teradata SQL Assistant
Answer: AC

5. How are Volatile tables similar to Derived tables? (Choose three.)
A. are local to the query
B. table definition kept in memory
C. are designed for optimal performance
D. have no Data Dictionary access or transaction locks
Answer: BCD

6. Which application development API provides maximum control over Teradata connectivity?
A. CLI
B. ECLI
C. ODBC
D. Embedded SQL
Answer: A

7. Which type of processing workload is least likely to justify the cost of upgrading a system?
A. executive report
B. daily sales report
C. quarter end report
D. nightly batch process
Answer: C

8. Which three are introduced in the ELDM? (Choose three.)
A. foreign keys
B. index selection
C. join access rows
D. column nullability
E. maximum rows null
F. value access frequency
Answer: CEF

9. Why should you create a view with aggregation? (Choose two.)
A. to reduce query complexity
B. to minimize macro executions
C. to improve query performance
D. to minimize summary table maintenance
Answer: AD

10. Which two types of journals can be defined for a table? (Choose two.)
A. Transient LOCAL AFTER JOURNAL
B. Transient UPDATE ONLY JOURNAL
C. Permanent UPDATE ONLY JOURNAL
D. Permanent LOCAL AFTER JOURNAL
E. Permanent DUAL BEFORE JOURNAL
Answer: DE

11. What are three characteristics of tactical queries? (Choose three.)
A. highly tuned
B. use direct access path
C. multiple tables scanned
D. defined response time requirements
Answer: ABD

12. Which four factors are important to consider when deciding whether to calculate summary results on demand or to create a summary table? (Choose four.)
A. concurrency of users
B. typical rows per value
C. response time requirements
D. complexity of the calculations
E. frequency of summary request
F. volatility of the column to summarize
Answer: CDEF

13. What are two characteristics of an aggregate join index? (Choose two.)
A. can be directly referenced by a query
B. must contain more than one table reference
C. can be created using a Global Temporary table
D. automatically reflects changes in the underlying detail data
E. COUNT is automatically present if SUM is used
Answer: DE

14. To ensure you are working with current, consistent data, which lock should you recommend for SELECT queries in a multi-user environment with update activity?
A. read
B. write
C. access
D. exclusive
Answer: A

15. What are three characteristics of PP2? (Choose three.)
A. supports macros
B. supports multiple sessions
C. supports COBOL, PL/I, C, and Pascal
D. uses indicator variables for NULL handling
Answer: ABD

16. Which three statements are true about the Extended Logical Data Model (ELDM)? (Choose three.)
A. It contains the business rules of the organization.
B. It is the main source of information for creating the PDM.
C. It maps applications and transactions to the related objects.
D. It provides demographics of data distribution, sizing, and access.
Answer: BCD

nr0-012 Free Demo Download

Certinside offers free demo for nr0-012 112 Q & As with Expert Explanations). You can check out the interface, question quality and usability of our practice exams before you decide to buy it.


Download nr0-012 Exam Pdf Demo

Download nr0-012 Exam iEngine Demo

　
　
Exam : NCR Teradata NR0-012
Title : Teradata Physical Implementation v2r5 Exam

1. Click the Task Button.Place each normal form name next to its description.
Answer:
13. Which two statements are true about identity columns? (Choose two.)

2. What should be considered when electing to denormalize a table?
A.volatility
B.cardinality
C.connectivity
D.number of users
Answer: A

3. Whenever you have stand-alone derived data, you must decide whether to calculate it or store it.
On which two demographics should you base your decision? (Choose two.)
A.access column
B.access frequency
C.column data value volatility
D.number of sources involved
Answer: BC

4. What happens to a submitted query when a deadlock occurs?
A.Oldest query is aborted.
B.Youngest query is aborted.
C.Query waits for deadlock to resolve.
D.Dispatcher identifies which query to hold and waits for completion of deadlocking query.
Answer: B

5. What is an effect of denormalization on application coding?
A.It usually increases data flexibility.
B.It increases the cost of data retrieval.
C.It generally reduces the potential for data problems.
D.It generally makes new applications more difficult to implement.
Answer: D

6. Which three statements are true about identity columns? (Choose three.)
A.They are supported by TPump.
B.They guarantee sequential numbering of inserted rows.
C.They provide even row distribution when used as a primary index.
D.They simplify the initial port from other databases that use generated keys.
Answer: ACD

7. Which two definitions are required on the referenced columns when implementing Referential Integrity? (Choose two.)
A.Unique
B.Nullable
C.Indexed
D.Not Null
Answer: AD

8. Which statement is true of join indexes?
A.They can be processed using MultiLoad.
B.They can be used to define Full Outer Joins.
C.They can be assigned a different primary index from the base table.
D.They can be used on a table with triggers and Referential Integrity constraints.
Answer: C

9. What are three considerations when creating a primary index? (Choose three.)
A.If third normal form, you must use a primary key.
B.Duplicate values are not stored in the same block.
C.Primary index values should not be subject to change.
D.Columns frequently used for row selection are good candidates.
E.Very non-unique values can cause premature "database full" conditions.
Answer: CDE

10. Which three are data demographic elements? (Choose three.)
A.number of nulls
B.number of constraints
C.number of distinct values
D.number of rows per value
Answer: ACD

11. Which two statements about parallel steps are true? (Choose two.)
A.They are steps whose output may be used in a later statement.
B.They are sequentially numbered steps that may execute simultaneously.
C.They represent combined identical steps for two or more SQL statements within the request parcel.
D.They are seen in the creation of a spool file, which is subsequently used in more than one processing step.
Answer: AB

12. Which two statements are true about identity columns? (Choose two.)
A.Only one can be specified per table.
B.They need not be a primary index column.
C.They can be part of a composite primary index.
D.They can be the primary index of a table with atomic upsert operations.
Answer: AB

13. Which three join methods require spool files? (Choose three.)
A.Merge Join
B.Nested Join
C.Product Join
D.Exclusion Merge Join
Answer: ACD

14. Which property is a characteristic of a NUSI?
A.two-AMP operation
B.two tables with the same index
C.physical grouping of related data
D.index row and table row on same AMP
Answer: D

15. During which phase of modeling design would a Partitioned Primary Index be defined?
A.Logical Data Modeling
B.Physical Data Modeling
C.Entity-Relationship Modeling
D.Business Information Modeling
Answer: B

16. Which two factors should be considered when electing to denormalize a table? (Choose two.)
A.volatility
B.cardinality
C.connectivity
D.performance
Answer: AD