How many sql databases can you have on one server?

0 Answers  

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difference between table level constraint and column level and advantages of table level constraint

4 Answers   Doyensys,

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i have a table emp and columns ename,empno,mgr_id,i need ename,manager name as result i.e employee respective manager.. example empno ename mgr_id 1 john 3 2 paul 3 3 smith 1 4 kevin 1 5 stewart 2 result has to look like this ename manager john smith paul smith smith john kevin john stewart paul can u plz help me out in this.....

8 Answers  

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What are stored procedures used for?

0 Answers  

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Is sql harder than python?

0 Answers  

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How packaged procedures and functions are called from the following?

2 Answers  

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what is mean by forward declaration and where we'll use it.

4 Answers   TCS,

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What is the difference between clustered and non-clustered index in sql?

0 Answers  

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What is a primary key called that is made up of more than one field?

0 Answers  

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I am creating an index on Emp table Empno column,if u using this indexed column in ur SELECT stmt. where clause,then how do u know that yr index will be working or nor? Thanks Advance...

3 Answers  

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How many types of tables are there?

0 Answers  

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Enlist the characteristics of pl/sql?

0 Answers  

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