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Create Table – SQL

Create Table – SQL involves naming the table and defining its columns and each column’s data type.

The SQL CREATE TABLE statement is used to create a new table.


Basic syntax of CREATE TABLE statement is as follows:

CREATE TABLE table_name(
   column1 datatype,
   column2 datatype,
   column3 datatype,
   columnN datatype,
   PRIMARY KEY( one or more columns )

CREATE TABLE is the keyword telling the database system what you want to do. In this case, you want to create a new table. The unique name or identifier for the table follows the CREATE TABLE statement.

Then in brackets comes the list defining each column in the table and what sort of data type it is. The syntax becomes clearer with an example below.

A copy of an existing table can be created using a combination of the CREATE TABLE statement and the SELECT statement. You can check complete details at Create Table Using another Table.


Following is an example, which creates a CUSTOMERS table with ID as primary key and NOT NULL are the constraints showing that these fields can not be NULL while creating records in this table:

   ID   INT              NOT NULL,
   AGE  INT              NOT NULL,
   ADDRESS  CHAR (25) ,
   SALARY   DECIMAL (18, 2),       

You can verify if your table has been created successfully by looking at the message displayed by the SQL server, otherwise you can use DESC command as follows:

| Field   | Type          | Null | Key | Default | Extra |
| ID      | int(11)       | NO   | PRI |         |       |
| NAME    | varchar(20)   | NO   |     |         |       |
| AGE     | int(11)       | NO   |     |         |       |
| ADDRESS | char(25)      | YES  |     | NULL    |       |
| SALARY  | decimal(18,2) | YES  |     | NULL    |       |
5 rows in set (0.00 sec)

Now, you have CUSTOMERS table available in your database which you can use to store required information related to customers.

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