FPSC Past Papers MCQs

FPSC Database Administrator Model Papers 2026  — 399 MCQs  (Page 4 of 40)

Practice FPSC Past Papers MCQs with solved questions from real past exams. These MCQs cover FPSC Database Administrator Model Papers 2026 past papers and are ideal for candidates preparing for competitive exams.

View Tests (30 MCQs each)
What does COMMIT do?
  • Undoes all changes
  • Locks the table permanently
  • Makes all changes of the current transaction permanent
  • Creates a savepoint
What does ROLLBACK do?
  • Commits all changes
  • Deletes the table
  • Undoes uncommitted changes of the current transaction
  • Reverses already committed work
What is the purpose of SAVEPOINT?
  • To save the table to disk permanently
  • To mark a point within a transaction to which you can partially roll back
  • To create a backup
  • To lock a row
Which action implicitly commits the current transaction in Oracle?
  • Executing a SELECT statement
  • Executing an INSERT statement
  • Creating a SAVEPOINT
  • Executing a DDL statement such as CREATE TABLE
Which ACID property means a transaction is 'all or nothing'?
  • Consistency
  • Isolation
  • Durability
  • Atomicity
What does SELECT ... FOR UPDATE do?
  • Updates the rows automatically
  • Deletes the rows
  • Locks the selected rows until the transaction ends
  • Copies the rows to a new table
Which Oracle structure provides read consistency for queries?
  • Redo logs
  • Control file
  • Undo data
  • Password file
Which error is raised when two sessions deadlock?
  • ORA-00001
  • ORA-01017
  • ORA-00942
  • ORA-00060
What is a database link in Oracle?
  • A foreign key between two columns
  • A schema object that lets you access objects in another database
  • A backup file
  • A type of index