What is 19 null in sql?

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What is pragma in pl sql?

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Explain the savepoint statement.

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1.when will you use week refcursor and when will you use strong ref cursor ? 2.what is the use of sql trace..how do you use it ? 3.can you please send all the sql plus commands...like set line 6000....

1 Answers   Satyam,

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define sql delete statement ? : Sql dba

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what is “go” in t-sql? : Transact sql

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diff b/w sub query and co-relater query?

3 Answers   iFlex,

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What is null in pl/sql?

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Can we create foreign key without primary key?

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Explain isolation levels. : Transact sql

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How do I pipe the output of one isql to another?

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What is a stored procedure in sql with example?

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