Answer Posted / barun

Hi

each employe have empid is unique and nonzero.acording to
difinition of primery key row uniquely represent and it
should be non zero.

Explain the use of rows option in exp command.

1023

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What is the difference between primary key and unique key and foreign key in oracle?

920

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What is a server parameter file in oracle?

1004

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What is enter substitution variable in oracle?

984

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What is partitioned table in Oracle?

1107

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How to lock and unlock a user account in oracle?

1028

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Explain the characteristics of oracle dba?

1069

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What do you mean by redo log file mirroring?

977

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Explain the types of exception?

1083

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Is it possible to insert comments into sql statements return in the data model editor ?

2513

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What happens if you lost a data file?

980

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what are steps for interface? where is exchange rate defined in which table?

2058

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How to create a new table in your schema?

1034

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Her departmandaki isçilerden empno' su ikinci sirada olan isçilerin empno, deptno, hiredate, sira_no bigilerini döndüren sorguyu yaziniz?

1943

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Please explain oracle left join with an example?

960

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