What is meant by temporal data?
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With out using count() function. How to the find total number of rows in a table?
What does the sign mean in sql?
What is pls integer?
Why do we use sql constraints? Which constraints we can use while creating database in sql?
Is primary key always clustered index?
how many tables will create when we create table, what are they? : Sql dba
in a package one procedure is wrong package shows valid or not
Describe different types of general function used in sql?
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
Are views faster than queries?
Can we rollback after truncate?
what are wild cards used in database for pattern matching ? : Sql dba
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