In RDBMS, Data is presented as a collection of ............
Data are presented as collection of tables
collection of table not Relation
Shamsa hafeez from Lahore, Pakistan is saying Relation is correct answer
Tsega Asresa Mengistu from Dessie, Ethiopia is saying Relation is correct answer
Serkie Mekonnen from Dessie, Ethiopia is saying Table is correct answer
The process by which the structure of the database is modified to eliminate hidden dependencies and replacing groups is _________
- [A] Normalization
- [B] Indexing
- [C] Enforcing referential integrity
- [D] Enforcing data integrity
- [A] SQL
- [B] nested
- [C] system
- [D] none
................. allows individual row operation to be performed on a given result set or on the generated by a selected by a selected statement.
- [A] Procedur
- [B] Trigger
- [C] Cursor
- [D] none
- [A] RENAME TABLE
- [B] CHANGE TABLE
- [C] ALTER TABLE
- [D] None of the above is correct.
The DBMS utility, ...................... allows to reconstruct the correct state of database from the backup and history of transactions.
- [A] Bakup
- [B] Recovery
- [C] Monitering
- [D] Data loading