Answer Posted / dev

A Table can't have two primary key.

What is data manipulation language?

702

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Why do we need cursors in pl sql?

523

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Define overloaded procedure?

624

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What are the differences between in and exists clause?

571

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What is blind sql injection?

578

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What port does sql server use?

511

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How to convert comma separated string to array in pl/sql?

602

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What are the types of sql commands?

554

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How do you use a while loop in pl sql?

539

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what are the differences between procedure-oriented languages and object-oriented languages? : Sql dba

511

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What is record data type?

518

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how to select first 5 records from a table? : Sql dba

509

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What is a rank in sql?

541

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how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc

3245

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How many types of functions are there in sql?

508

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