SQL Questions et reponses d'entretien
Question 56. Posting
Posting is an event that writes Inserts, Updates & Deletes in the forms to the database but not committing these transactions to the database.
Question 57. Rollback
Rollback causes work in the current transaction to be undone.
Question 58. Savepoint
Savepoint is a point within a particular transaction to which you may rollback without rolling back the entire transaction.
Question 59. Set Transaction
Set Transaction is to establish properties for the current transaction.
Question 60. Locking
Locking are mechanisms intended to prevent destructive interaction between users accessing data. Locks are used to achieve.
Les plus utiles selon les utilisateurs :