How do sql triggers work?


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More SQL PLSQL Interview Questions

Why trigger is used in sql?

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scope of exception handling in plsql

4 Answers   Wipro,


Is not equal in sql?

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what is a composite key ? : Sql dba

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write a query to remove null following table are id name 101 dinesh null jyothi null bharathi 102 suresh null shilpha 103 prakesh null suma i want the output format like id name 101 dinesh 102 suresh 103 prakesh

3 Answers   TCS,






How do you change a value in sql?

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Do ddl statements need commit?

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What are views in sql?

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What program will open a mdb file?

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What is pseudo column ?

6 Answers   ABB,


What is the full form of sql?

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What is the limitation on the block size of pl/sql?

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