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Database Systems MCQs – Mock Test 146

Java Database Connectivity (JDBC) MCQ with Answers PDF Download – Test 146

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The "Java Database Connectivity (JDBC) MCQ" App Download (iOS & Android): Alternative method for committing automatic transactions, is; MCQ with answers: conn.setautocommit(false), conn.setautocommit(true), both a and c, and conn.rollback(). Practice Advanced SQL Questions and Answers, Google Book to download free chapter to strengthen database skills.

Java Database Connectivity (JDBC) MCQ PDF Download – Mock Test 146

MCQ 726: The alternative method for committing automatic transactions, is:

  1. conn.setAutoCommit(true)
  2. conn.setAutoCommit(false)
  3. conn.rollback()
  4. Both A and C

MCQ 727: The set differences are taken between:

  1. Compatible relations
  2. Incompatible relations
  3. Integrated relation
  4. Consistent relations

MCQ 728: A common use of subqueries is to perform tests for set membership, and:

  1. Set comparisons
  2. Set cardinality
  3. Both A and B
  4. Select distinct values

MCQ 729: For deadlock prevention, when we use an ordering of data items, the request locks are sequenced in:

  1. Consistent with access
  2. Consistent with relation
  3. Consistent with ordering
  4. Consistent with execution

MCQ 730: The prepared statements specify that the actual values will be provided:

  1. Later
  2. Compile time
  3. At output window
  4. By the processor

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