What is data abstraction in sql?


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More SQL PLSQL Interview Questions

What is int identity in sql?

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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.....

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What are the types of queries in sql?

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How do I add a database to sql?

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what are the performance and scalability characteristics of mysql? : Sql dba

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What is varchar data type in sql?

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Is time a data type in sql?

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tell us something about heap tables. : Sql dba

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What is clause in sql?

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how to find the First and Last Observation from the table: Ex: OBS Name Sal Ans like: OBS Name Sal 105 E 5000--> 105 E 5000 102 B 2000 104 D 4000 103 C 3000 101 A 1000--> 104 D 4000

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Can you have more than one key in a database?

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