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

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Can unique keys be null?

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What is difference between group by and partition by?

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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

1 Answers   IAS,

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how to use like conditions? : Sql dba

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how can we repair a mysql table? : Sql dba

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What does select count (*) mean in sql?

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How delete all records from table in sql?

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What is the sql query to display the current date?

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Differences between Oracle 9i and 10g (Probably in terms of SQL and PL/SQL)?

0 Answers   IBM,

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What is execute immediate?

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What is the use of & in pl sql?

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