Multiple choice technology databases

Choose the correct options on LOCKSIZE

  1. Database

  2. Tablespace

  3. Table

  4. View
Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

LOCKSIZE is a parameter that specifies the granularity at which locks are acquired during operations. Valid LOCKSIZE options include: TABLESPACE, TABLE, PAGE, ROW, and ANY. Database (option A) is too coarse - locking at database level would lock all objects, which is not a standard LOCKSIZE value. View (option D) is not a physical storage object and cannot have LOCKSIZE specified. Tablespace (B) and Table (C) are valid LOCKSIZE values.

AI explanation

To answer this question, you need to understand the concept of LOCKSIZE in the context of databases. LOCKSIZE determines the level at which locks are acquired and released during data modification operations.

Let's go through each option to understand why it is correct or incorrect:

Option A) Database - This option is incorrect because LOCKSIZE is not applicable at the database level. LOCKSIZE is set at a more granular level, such as tablespace, table, or view.

Option B) Tablespace - This option is correct because LOCKSIZE can be set at the tablespace level. By specifying the LOCKSIZE at the tablespace level, you can control how locks are acquired and released for tables within that tablespace.

Option C) Table - This option is correct because LOCKSIZE can also be set at the table level. By specifying the LOCKSIZE at the table level, you can control how locks are acquired and released for that particular table.

Option D) View - This option is incorrect because LOCKSIZE is not applicable at the view level. LOCKSIZE is typically associated with physical data structures like tablespace or table.

The correct answer is B and C. These options are correct because LOCKSIZE can be set at the tablespace and table levels to control how locks are acquired and released during data modification operations.

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