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IBM Db2 Database Administration Flashcards

6 cards from real IBM Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the purpose of IBM Db2's 'Federation' capability?

    Answer: Allowing Db2 to query data from remote, heterogeneous data sources as if they were local Db2 tables

    Db2 Federation enables transparent access to remote data sources (Oracle, SQL Server, Informix) through nicknames, allowing them to be queried like local Db2 tables.

  2. Which Db2 isolation level prevents dirty reads but allows non-repeatable reads and phantom rows?

    Answer: Cursor Stability (CS)

    Cursor Stability (CS) prevents dirty reads by only reading committed data, but rows can change between reads in the same transaction, allowing non-repeatable reads.

  3. What does the IBM Db2 'LOAD' utility offer that makes it faster than the 'IMPORT' utility?

    Answer: LOAD writes data directly to database pages, bypassing SQL processing and logging for faster bulk data ingestion

    LOAD writes data directly to Db2 data pages and bypasses full SQL logging, making it significantly faster than IMPORT for large bulk data ingestion operations.

  4. In Db2, what is a 'schema' used for?

    Answer: Providing a namespace to logically organize and group database objects like tables, views, and procedures

    A Db2 schema is a named namespace used to logically group and organize related database objects, helping avoid naming conflicts between objects owned by different users.

  5. Which IBM certification exam is designed for Db2 11.5 Database Administrators?

    Answer: C1000-112 IBM Db2 11.5 DBA

    The C1000-112 IBM Certified Database Administrator – Db2 11.5 for Linux UNIX and Windows exam validates DBA skills for the current Db2 LTS release.

  6. What is the purpose of Db2's 'AUTOCONFIGURE' command?

    Answer: To recommend and optionally apply optimal database and instance configuration parameter values based on system resources and workload

    AUTOCONFIGURE analyzes system memory, CPU, and workload characteristics to recommend—and optionally apply—optimal values for Db2 configuration parameters.