PRIMARY KEY PRIMARY KEY – is a column or group of columns in a table that uniquely identifies each row in the table. A primary key cannot be duplicated, which means that the same value…
Database
DB administration notes
The two main objectives (tasks) of the DBA:1. User support and access sharing and configuration2. Ensuring AB security and performance AB security - 3 key aspects:*data confidentialityGRANT role to user [identified by pwd] [with grant…
Foorum: TABEL/PROTSEDUURID
SQL ADMINISTRATOR (vaata alla XMAPP) SQL/XMAPP