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

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

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 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

11. 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

12. 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

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

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

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

11. 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

12. 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

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

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

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

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

2. 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

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

4. 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

5. 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

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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

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

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

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

8. 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

9. 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

10. 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

11. 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

12. 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

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

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

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

9. 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

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. 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

12. 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

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

1. 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

2. 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.)

3. 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

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

5. 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

6. 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

7. 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

8. 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

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

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

12. 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