is there more the two primary key in a single table?

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Question Posted / neelesh

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is there more the two primary key in a single table?..

Answer / narendra singh

yes, it may be possible that a table can have more than one
primary key but except its own primary key, others are
foreign keys...........

A primary key for one table is foreign key for other table..

thank Q......

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is there more the two primary key in a single table?..

Answer / simi

yes,
CREATE TABLE [dbo].[custrate](
[id] [int] NOT NULL,
[patname] [char](50) COLLATE
SQL_Latin1_General_CP1_CI_AS NOT NULL,
[rate] [int] NULL,
CONSTRAINT [PK__custrate__12FE9D09] PRIMARY KEY CLUSTERED
(
[id] ASC,
[patname] ASC
)WITH (PAD_INDEX = OFF, IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]

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0 Yes

1 No

is there more the two primary key in a single table?..

Answer / abhishek chakraborty

Yes

In Mysql

CREATE TABLE `rooms2hire`.`user data` (
`id` INT( 11 ) NOT NULL AUTO_INCREMENT ,
`email` VARCHAR( 255 ) NOT NULL ,
`name` VARCHAR( 255 ) NOT NULL ,
PRIMARY KEY ( `id` , `email` )
) ENGINE = MYISAM

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0 Yes

1 No

is there more the two primary key in a single table?..

Answer / murugavel

yes
CREATE TABLE "accessmenu" (
"UID" int(11) NOT NULL DEFAULT '0',
"MID" int(11) NOT NULL DEFAULT '0',
"AlterPermission" tinyint(4) DEFAULT '0',
PRIMARY KEY ("UID","MID")
);

Is This Answer Correct ?

4 Yes

6 No

is there more the two primary key in a single table?..

Answer / laxman2610

No, One table can have only one primary key. but, if u want
u can create another one as unique with not null.

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0 Yes

2 No

is there more the two primary key in a single table?..

Answer / ganesaselvam

yes

Is This Answer Correct ?

24 Yes

28 No

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