Is join and inner join the same?

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What is difference between a Cursor declared in a procedure and Cursor declared in a package specification ?

2 Answers   JDA,

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Can we write ddl statements in functions?

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What is trigger in pl sql?

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what is primary key? : Sql dba

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If we declare constraints Unique and Not null on a single column then it will act as a Primary key, so what is the use of primary key??

3 Answers  

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Can a foreign key be null?

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What is sql injection owasp?

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What is before trigger?

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what are the differences between binary and varbinary? : Sql dba

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Is sql dba a good career? : SQL DBA

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suppose we have a table in which 200 rows. i want to find 101 row ? what the query.... and how we find 4th and 5th highest salary and 1 to 10 highest salary

7 Answers  

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