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SQL Keywords: PRIMARY |
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The PRIMARY keyword is used with the KEY
keyword to create a primary key on a column. Here is an example:
CREATE TABLE Genders(GenderID COUNTER(1,1) PRIMARY KEY NOT NULL,
Gender varchar(20));
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Here is an example that uses the CONSTRAINT
keyword:
CREATE TABLE Persons(PersonID COUNTER(1,1) NOT NULL,
FirstName varchar(20),
LastName varchar(20) NOT NULL,
CONSTRAINT PK_People PRIMARY KEY(PersonID));
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