How to add multi constraint in the same line of CREATE TABLE Statement in ORACLE 10g?

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Hello, friends.

How can I add two or more constraints in the same line in CREATE TABLE Statement in ORACLE 10g, I've tried this statement but it's failed:

CREATE TABLE Students(
ID INT PRIMARY KEY,
NAME VARCHAR2(50),
SOCIAL VARCHAR2(10) NOT NULL CHECK (SOCIAL IN ('Single','Married'))
);

but it doesn't work.
Also I can't make a composite key in the table!!!

Posted 6-Nov-15 8:27am

Ma3d Sa3eed

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Suvendu Shekhar Giri 6-Nov-15 16:26pm

This is perfectly fine and should execute.
Can you elaborate a little more about "..but it doesn't work"?

Ma3d Sa3eed 7-Nov-15 13:44pm

I cannot make a composit key in the table using PRIMARY KEY(column1, column2), it says: cannot insert more than a primary key in the same table.

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Jörgen Andersson · Answer 1 · 2015-11-10T23:41:00

Solution 1

Try:

SQL

CREATE TABLE Students(
    ID INT,
    NAME VARCHAR2(50),
    SOCIAL VARCHAR2(10) NOT NULL CHECK (SOCIAL IN ('Single','Married')),
    CONSTRAINT students_pk PRIMARY KEY (id,name)
    )
;

Posted 10-Nov-15 23:41pm

Jörgen Andersson