What is a database trigger ? Name some usages of database trigger ?

4 Answers  

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What are the different sql languages?

0 Answers  

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What is not in sql?

0 Answers  

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What is difference between TRUNCATE & DELETE?

16 Answers   Ahn Infotech, CitiGroup, ICICI, PreVator, Saama Tech, SkyTech, TCS,

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write a query to delete similar records in particular fields(columns) in different tables

6 Answers   TCS,

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How to delete same emp id in sql query for exmaple in emp table emp id, empname, emp address. for example emp id =5, repeated in two times in rows same id how to delete same empid please any one of the write query send in my id

8 Answers   CGCI,

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can we create index on index?

7 Answers   iFlex, Symphony,

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What is the difference between the Primary and Foreign key?

7 Answers   Cap Gemini,

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What are different joins used in sql?

0 Answers  

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What is the execution plan in sql?

0 Answers  

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What is pragma in pl sql?

0 Answers  

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What is a variable in sql?

0 Answers  

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