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SQLite - CREATE Table

Tarun Kumar 2792 07-Sep-2015

In this article, we are going to discuss about creating the table using SQLite CREATE TABLE statement that is used to create a new table in any of the given databases. Creating a basic table involves naming the table and defining its columns and each column's data type.

Syntax:

The basic syntax of CREATE TABLE statement is as follows:

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

CREATE TABLE is the keyword that tells the database to create a new table and unique name or identifier for the table follows the CREATE TABLE statement. Optionally we can specify database_name along with table_name.

Example:

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

 sqlite> CREATE TABLE COMPANY(
                ID INT PRIMARY KEY NOT NULL,
                NAME TEXT NOT NULL,
                AGE INT NOT NULL,
                ADDRESS CHAR(50),
                SALARY REAL
            );

Now, let us create one more table:

 sqlite> CREATE TABLE DEPARTMENT(
                ID INT PRIMARY KEY NOT NULL,
                DEPT CHAR(50) NOT NULL,
                EMP_ID INT NOT NULL
            );

We can verify if our table has been created successfully using SQLIte command .tables command, which will be used to list down all the tables in an attached database.

sqlite>.tables

COMPANY DEPARTMENT

Here, we can see COMPANY table twice because of its showing COMPANY table for main database and test.COMPANY table for 'test' alias created for our testDB.db. We can get complete information about a table using SQLite .schema command as follows:lite>.schema COMPANY

CREATE TABLE COMPANY (
   ID INT PRIMARY KEY NOT NULL,
   NAME TEXT NOT NULL,
   AGE INT NOT NULL,
   ADDRESS CHAR(50),
   SALARY REAL
);

Updated 26-Feb-2018

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