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510-020 Sybase Adaptive Server Administrator (Version 12.5) Questions 51–55 (page: 12)

Updated On: 9-Feb-2026

If multiple users will be accessing a table and you want to limit access so that each user can access only the rows that a user has inserted, you need to make use of:

  1. access rules
  2. datarow locking scheme
  3. segments
  4. indexes
  5. locks

Answer(s): A



Transaction isolation levels changes the behavior of:

  1. checkpoints
  2. database and log dumps
  3. reads
  4. writes
  5. reads and writes
  6. reads, writes, and checkpoints

Answer(s): C



The following commands were successfully executed in isql:
1> set chained on
2> go
1> delete from publishers where pub_id = '9999'
2> go
1> exit
What will be the result of the transaction?

  1. It will remain open
  2. It depends on configuration options
  3. It was committed and the data will remain deleted
  4. It was automatically rolled back and the data will be re-inserted

Answer(s): D



Within a nested transaction, a rollback always

  1. rolls back all the changes done only within the nested transaction
  2. rolls back all the changes done within the entire most outer transaction
  3. decrements the global variable @@trancount by one
  4. rolls back the transaction to the last named savepoint

Answer(s): B



Under which of the following scenarios will only log pages be written to disk?

  1. When a checkpoint occurs
  2. When pages age out
  3. When a transaction is committed
  4. When the Housekeeper writes pages to the disk

Answer(s): C



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