Multiple choice technology databases

What option is suited for adding an identity column in a existing table index to make a non uniqe index a unique one

  1. auto identity

  2. identity in nonunique index

  3. unique auto_identity index

  4. async log service

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The 'identity in nonunique index' configuration option allows Sybase ASE to automatically add an identity column to a non-unique index, effectively making it unique. This is useful for enabling unique constraints without changing the table schema.