What is pl sql architecture?
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What is inner join in sql?
What is the main difference between a UNION statement and a UNION ALL statement? 1. A UNION statement eliminates duplicate rows; a UNION ALL statement includes duplicate rows. 2. A UNION statement can be used to combine any number of queries; a UNION ALL statement can be used to combine a maximum of two queries. 3. A UNION statement can only combine queries that have parallel fields in the SELECT list; a UNION ALL statement can combine queries with differing SELECT list structures. 4. A UNION statement cannot be used with aggregate functions; a UNION ALL statement can be used with aggregate functions. 5. There is no difference between the two statements; they are interchangeable.
What do you mean by stored procedures?
What is parameter substitution in sql?
how to get a list of indexes of an existing table? : Sql dba
what is the difference between granting and creating a view?
what is the difference between truncate and drop statements? : Sql dba
What is exit statement?
in materialized view the structure will create immediately or not?
Can we change the table name in sql?
What is difference between my sql and sql?
what are the differences between char and varchar? : Sql dba
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