how to make multiple keys as primary in bdms

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23 Jan 2016
1CREATE TABLE `Donor`(
2  `did` int(50) NOT NULL,
3  `oid` int(50) NOT NULL,
4  `dname` varchar(50) NOT NULL,
5  `dblood` varchar(50) NOT NULL,
6  PRIMARY KEY (`did`, `oid`)
7);
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