What are the uses of a database trigger ?
What are the uses of a database trigger ?
What are the uses of a database trigger ?
More Questions
34 . What are the uses of a database trigger
35 . Show how functions and procedures are called in a PL SQL block
36 . What are the two virtual tables available at the time of database trigger execution?
37 . What are the differences between Primary Key and Unique Key?
38 . Explain the purpose of %TYPE and %ROWTYPE data types with the example?
39 . Explain the difference between Triggers and Constraints?
40 . Exception handling in PL/SQL
41 . What is the difference between COUNT (*), COUNT (expression), COUNT (distinct expression)?
42 . Difference between the “VERIFY” and “FEEDBACK” command?
43 . List out the difference between Commit, Rollback, and Savepoint?
44 . What is the difference between SUBSTR and INSTR?