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Creating a table from another table [message #72927]

Tue, 16 December 2003 10:09

leena
Messages: 8
Registered: September 2000

Junior Member

How do we copy the constraint along with the table in
Create table <name> ....as select ...
statement

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Re: Creating a table from another table [message #72929 is a reply to message #72927]

Wed, 17 December 2003 02:16

Mahesh Rajendran
Messages: 10708
Registered: March 2002
Location: oracleDocoVille

Senior Member
Account Moderator

i beleive you have to recreate the constraints, if the table is created using CREATE TABLE ... AS SELECT .. FROM ANOTHER_TABLE.

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Re: Creating a table from another table [message #72930 is a reply to message #72927]

Wed, 17 December 2003 04:49

Thiru
Messages: 1089
Registered: May 2002

Senior Member

not in CTAS(except for explicit NOT NULL constraints). Either you can ALTER TABLE ADD CONSTRAINT after the CTAS is done or you can reverse engineer the CREATE TABLE statement,create the table and then do a INSERT INTO ..Select * from .

-Thiru

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