What is $$ in sql?

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What is a sql instance vs database?

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What is the use of sqldataadapter?

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What will you get by the cursor attribute sql%notfound?

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what is column? : Sql dba

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I want to know the difference between A Record Type and a Table.

3 Answers   Thermotech,

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What are the disadvantages of file system?

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HP Interview -2016 Unix 1) grep command in unix 2) what is set command

1 Answers   HCL,

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What does bitemporal mean?

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Practice 1: Changes to data will only be allowed on tables during normal office hours of 8.45 in the morning until 5.30 in the afternoon, MONDAY through FRIDAY. A. Create a procedure called SECURE_DML that prevents the DML statement from executing outside of normal office hours, returning the message: “you may only make changes during normal office hours” b. Create a statement trigger on the PRODUCT table which calls the above procedure. c. Test it by inserting a new record in the PRODUCT table.

1 Answers   Tech Mahindra,

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What are the rules to be applied to nulls whilst doing comparisons?

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Explain how exception handling is done in advance pl/sql?

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