SQL Create Table
Create a Database Table with Columns
Tables are organized into rows and columns and must have a name.
Create table Syntax:
MySQL, Oracle, SQL server, PostgreSQL:
CREATE TABLE table_name (column_name datatype [NULL | NOT NULL] [, column_name datatype [NULL| NOT NULL] ]...);
Create table example:
CREATE TABLE Customer ( CUSTOMER_ID INT NOT NULL, FIRST_NAME VARCHAR(20) NULL, LAST_NAME VARCHAR(20), EMAIL VARCHAR(30) NULL );
- Start with, "Create table" and then the table name (here Customer).
- Type a open parenthesis as a start to include columns.
- For each column write the name first.
- Follow by a space and then the data type.
- Optional write the keywords NULL or NOT NULL whether the column require a value or can be null (The default is NULL).
- End the included columns and table definition with a Closing parenthesis and a semicolon.
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