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Mysql create table from existing table
Mysql create table from existing table






You will pass its second argument with a proper SQL command to drop a table. To drop an existing table in any database, you would need to use the PHP function mysqli_query(). It is also required to select our database first and then create. Here is a generic SQL syntax to drop a MySQL table − Basically, to store information in the MySQL database there is a need to create the tables. It is very easy to drop an existing MySQL table, but you need to be very careful while deleting any existing table because the data lost will not be recovered after deleting a table. "tutorial_author VARCHAR(40) NOT NULL, ".ĭie('Could not create table: '. "tutorial_title VARCHAR(100) NOT NULL, ". "tutorial_id INT NOT NULL AUTO_INCREMENT, ". The following program is an example to create a table using PHP script − You will pass its second argument with a proper SQL command to create a table. To create new table in any existing database you would need to use PHP function mysqli_query(). You can use multiple columns separated by a comma to define a primary key. Keyword PRIMARY KEY is used to define a column as a primary key. So, if a user will try to create a record with a NULL value, then MySQL will raise an error.įield Attribute AUTO_INCREMENT tells MySQL to go ahead and add the next available number to the id field. Now, we will create the following table in the TUTORIALS database.įield Attribute NOT NULL is being used because we do not want this field to be NULL.

mysql create table from existing table mysql create table from existing table

Here is a generic SQL syntax to create a MySQL table −ĬREATE TABLE table_name (column_name column_type) To begin with, the table creation command requires the following details −








Mysql create table from existing table