What is event trigger ?

PL/SQL Interview Questions and Answers

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What is event trigger ?

An event trigger, a segment of code which is associated with each event and is fired when the event occurs.

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• What's SQL*Plus
• What's NVL
• What's Date Functions
• What's Character Functions
• What's TTITLE & BTITLE
• What's COLUMN
• What's BREAK
• What's COMPUTE
• What's SET
• What's SPOOL
• What's JOIN
• What's Union
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• What's Multiple columns
• What's Sequences
• What's Synonyms
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• What's Data types
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• What's Commit
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• What's Savepoint
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• What's Integrity
• What's Deadlock
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• SELECT statements:
• The SELECT INTO Statement is most often used to create backup copies of tables or for archiving records.
• The INSERT INTO Statements:
• The Update Statement:
• The Delete Statements:
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• The IN operator may be used if you know the exact value you want to return for at least one of the columns.
• BETWEEN ... AND
• What is the use of CASCADE CONSTRAINTS?
• Why does the following command give a compilation error?
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• Which system table contains information on constraints on all the tables created?obtained?
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• Which command displays the SQL command in the SQL buffer, and then executes it?
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• What will be the output of the following query?
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• Read the following code:
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• Read the following code 2:
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• Read the following code 3
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• Examine this code
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