What are the syntax and use of the coalesce function?
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What is trigger and stored procedure in sql?
What is the sql case statement?
in table there r so many rows write a query which two rows r updated last two day befor?
A table was given with 3 columns like Manager id,Manager Name and Employee name. Question was to create hierarchy.
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what is not null constraint? : Sql dba
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If we have n no of columns in a table, can we add new column in that table with not null constraint?
Hi Everyone, How to get fist and last record from a table in oracle? Thanks in advance
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Where not exists in sql?
What is program debugging?
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