Answer Posted / mohanbabu
Constraints are used to limit the type of data that can go
into a table.
Constraints can be specified when a table is created or
after the table is created.
A trigger is a fragment of code that you tell Oracle to run
before or after table is modified.
Is This Answer Correct ? | 13 Yes | 3 No |
Post New Answer View All Answers
What is multiple columns?
What is autocommit sql?
What is minus?
What is the use of index in hive?
What is sql architecture?
What is set transaction?
What is sql lookup?
What are the subsets of sql?
Why do we go for stored procedures?
what is a view? : Sql dba
What is the usage of when clause in trigger?
What are schema-level triggers?
what is try_catch block in procedure
Differences between Oracle 9i and 10g (Probably in terms of SQL and PL/SQL)?
how to enter binary numbers in sql statements? : Sql dba