What is a null value?

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tell us something about heap tables. : Sql dba

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Is it possible to access the current value in a session before accessing next value?

1 Answers  

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What are procedures used for?

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What are different types of tables in sql?

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Can we join same table in sql?

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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 is java sql driver?

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what is self join and why is it required? : Sql dba

1 Answers  

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what is the differnce between procedure and function? in both dml operations can work and in procedure through out parameter you can return value ,then what is the differce?

3 Answers   3i Infotech,

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Explain the savepoint statement.

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There are 5 records in a table and we have implemented two triggers that are :pre_query and post_query how many times these triggers will fire.

2 Answers   Maruti Suzuki,

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