Is it mandatory for the primary key to be given a value when a new record is inserted?
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What is the first action to perform a query? Suppose I have four tables and five joins and my query is getting slow day by day.
what is foreign key? : Sql dba
Do we need commit after truncate?
Cite the differences between execution of triggers and stored procedures?
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Explain the two type of Cursors ?
What is difference between pls_integer and integer?
What are different types of refreshment techniques of materialised view
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Write a query to find five highest salaries from EMP table. (there is a column SALARY)
24 Answers Cap Gemini, iNautix,
Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.
What is the use of <> sql?
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