Tag: databases

Questions Related to databases

  1. Restrict users' access to a subset of table data

  2. Ensure that rows inserted remain within the scope of a definition

  3. Produce an action as a result of a change to a table

  4. Provide users with an alternate view of table data


Correct Option: C
  1. Uncommitted Read

  2. Cursor Stability

  3. Read Stability

  4. Repeatable Read


Correct Option: D
  1. Backup purposes

  2. Storing intermediate results

  3. Staging area for load operations

  4. Sharing result data sets between applications


Correct Option: B
  1. The cursor is moved to another row

  2. The row the cursor is on is deleted by the application

  3. The row the cursor is on is deleted by another application

  4. The row the cursor is on needs to be updated by another application


Correct Option: B
  1. Space Issues

  2. Data Issues

  3. No records found while querying the table

  4. Both a & b


Correct Option: A
  1. The application must release the row-level Share lock it holds and acquire an Update lock on the row

  2. The application must release the row-level Share lock it holds and acquire an Update lock on the table

  3. The row-level Share lock will automatically be converted to a row-level Up-date lock

  4. The row-level Share lock will automatically be escalated to a table-level Up-date lock


Correct Option: C