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show primary key

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  #1  
Old January 17th, 2004, 10:26 PM
weebeng weebeng is offline
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show primary key
Hi, I'm using the oracle db. Let said I have the table ac_cardholder. What is the sql command to get know the primary key?
Thank you!
Quote:
SQL> desc ac_cardholder;
Name Null? Type
------------------------ ----------- --------------
ACCH_CARDNO NOT NULL VARCHAR2(10)
ACCH_ICNO VARCHAR2(12)
ACCH_ID NOT NULL VARCHAR2(16)
ACCH_NAME VARCHAR2(60)
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  #2  
Old January 18th, 2004, 11:40 AM
victorpendleton victorpendleton is offline
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You will need to look in the ALL_CONSTRAINTS table where the tablename = 'ac_cardholder'
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Old January 19th, 2004, 08:08 AM
Dan Drillich Dan Drillich is offline
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As victorpendleton says, you should query the ALL_CONSTRAINTS view:

select * from ALL_CONSTRAINTS
where CONSTRAINT_TYPE = 'P' and
TABLE_NAME = 'AC_CARDHOLDER'

Good Day,
Dan
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