C2090-610 Questions And Answers
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Exam Name: DB2 10.1 Fundamentals
Updated: 2019-07-19
Q & A: 138
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Question No : 1
If the following command is executed: CREATE DATABASE test What is the page size (in kilobytes) of the database?
A. 4
B. 8
C. 16
D. 32
A. 4
B. 8
C. 16
D. 32
Answer: A
Question No : 2
Which action needs to be performed in order to complete the definition of an application-period temporal table?
A. A transaction-start-id column must be defined for the table.
B. A history table must be defined and associated with the base table.
C. A BUSINESS_TIME period must be specified in a CREATE or ALTER of the table.
D. A unique index must be created that prevents overlapping of the BUSINESS_TIME period of the table.
A. A transaction-start-id column must be defined for the table.
B. A history table must be defined and associated with the base table.
C. A BUSINESS_TIME period must be specified in a CREATE or ALTER of the table.
D. A unique index must be created that prevents overlapping of the BUSINESS_TIME period of the table.
Answer: C
Question No : 3
What type of mechanism is a simple token value that is used to refer to a much bigger large object (LOB)?
A. locator
B. pointer
C. address
D. reference
A. locator
B. pointer
C. address
D. reference
Answer: A
Question No : 4
What is the primary function of an Online Transaction Processing (OLTP) workload?
A. To combine data from multiple sources.
B. To discover hidden relationships in data.
C. To analyze large amounts of data to find patterns.
D. To make changes to a small number of records within a single transaction.
A. To combine data from multiple sources.
B. To discover hidden relationships in data.
C. To analyze large amounts of data to find patterns.
D. To make changes to a small number of records within a single transaction.
Answer: D
Question No : 5
Which two activities indicate the need for a data warehouse? (Choose two.)
A. Confirm product inventory.
B. Monitor product availability.
C. Summarize sales by region.
D. Identify patterns for products sold in the last five years.
E. Associate one or more products with a purchase order.
A. Confirm product inventory.
B. Monitor product availability.
C. Summarize sales by region.
D. Identify patterns for products sold in the last five years.
E. Associate one or more products with a purchase order.
Answer: C,D
Question No : 6
Which isolation level offers the greatest protection of data but provides the least amount of concurrency?
A. Read Stability (RS)
B. Cursor Stability (CS)
C. Repeatable Read (RR)
D. Uncommitted Read (UR)
A. Read Stability (RS)
B. Cursor Stability (CS)
C. Repeatable Read (RR)
D. Uncommitted Read (UR)
Answer: C
Question No : 7
When an index is created for a table, where is the metadata for that index stored?
A. In the table definition.
B. In the system catalog.
C. In the schema that the index resides in.
D. In the metadata of the table the index was created for.
A. In the table definition.
B. In the system catalog.
C. In the schema that the index resides in.
D. In the metadata of the table the index was created for.
Answer: B
Question No : 8
Which DB2 object can be used to improve the execution performance of qualified SELECT statements?
A. Trigger
B. SQL Procedure
C. Sequence Object
D. Materialized Query Table
A. Trigger
B. SQL Procedure
C. Sequence Object
D. Materialized Query Table
Answer: D
Question No : 9
Application APP_A is performing updates to table TAB1 using the cursor stability (CS) isolation level. If application APP_B wants to retrieve all rows from table TAB1 without waiting for application APP_A to finish making updates, what isolation level must application APP_B use?
A. Read Stability (RS)
B. Repeatable Read (RR)
C. Uncommitted Read (UR)
D. Cursor Stability (CS)
A. Read Stability (RS)
B. Repeatable Read (RR)
C. Uncommitted Read (UR)
D. Cursor Stability (CS)
Answer: C
Question No : 10
Which clause should be included in a ALTER TABLE statement to update a table definition with a new column?
A. ADD COLUMN
B. ALTER COLUMN
C. APPEND COLUMN
D. RENAME COLUMN
A. ADD COLUMN
B. ALTER COLUMN
C. APPEND COLUMN
D. RENAME COLUMN
Answer: A
Question No : 11
What type of large object (LOB) is used to store LOB data together with the formatted rows on data pages, instead of in a separate LOB storage object?
A. inline
B. binary
C. internal
D. partitioned
A. inline
B. binary
C. internal
D. partitioned
Answer: A
Question No : 12
What functionality allows users to perform a UNION operation between a DB2 table and an Oracle view?
A. Oracle connect
B. Trusted context
C. Oracle federation
D. Distributed request
A. Oracle connect
B. Trusted context
C. Oracle federation
D. Distributed request
Answer: D
Question No : 13
Which product is used to customize execution environments for the purpose of controlling system resources so that one department or service class does not overwhelm the system?
A. pureScale
B. Workload manager
C. Data partitioning feature
D. Self-tuning memory manager
A. pureScale
B. Workload manager
C. Data partitioning feature
D. Self-tuning memory manager
Answer: B
Question No : 14
What is the purpose of the Query Tuner?
A. To automatically capture and stop rogue queries.
B. To provide recommendations and analysis for tuning a single query.
C. To provide recommendations and analysis for tuning up to 100 queries.
D. To recommend indexes and to guide DBAs through the process of creating new indexes.
A. To automatically capture and stop rogue queries.
B. To provide recommendations and analysis for tuning a single query.
C. To provide recommendations and analysis for tuning up to 100 queries.
D. To recommend indexes and to guide DBAs through the process of creating new indexes.
Answer: B
Question No : 15
What factor influences lock escalation?
A. Table size
B. Buffer space
C. Number of locks
D. Available real storage
A. Table size
B. Buffer space
C. Number of locks
D. Available real storage
Answer: C