Create a table in MySQL that matches another table?
To create a table in MySQL that matches with another table, use CREATE TABLE command with LIKE operator. The syntax is as follows −
create table yourNewTableName like yourOldTableName;
The above syntax creates structure of the table.
If you want all records then use INSERT INTO…...SELECT *FROM command. The syntax is as follows −
insert into yourNewTableName select *from yourOldTableName.
I have an old table and some data −
mysql> create table WholeWordMatchDemo
−> (
−> Words varchar(200)
−> );
Query OK, 0 rows affected (0.84 sec)
First, we will create a table structure. The query is as follows −
mysql> create table NewTableDuplicate Like WholeWordMatchDemo;
Query OK, 0 rows affected (0.62 sec)
Now you can check the table structure has been created or not with the help of show command. The query is as follows −
mysql> show create table NewTableDuplicate;
The following is the output −
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| Table | Create Table |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
| NewTableDuplicate | CREATE TABLE `newtableduplicate` (`Words` varchar(200) DEFAULT NULL) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci |
+-------------------+---------------------------------------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
Copy all records in the new table with the name ‘NewTableDuplicate’. The query is as follows to copy all the data into new table −
mysql> insert into NewTableDuplicate select *from WholeWordMatchDemo;
Query OK, 3 rows affected (0.19 sec)
Records: 3 Duplicates: 0 Warnings: 0
Now you can check all records are present in the new table or not with the help of SELECT statement. The query is as follows −
mysql> select *from NewTableDuplicate;
The following is the output −
+----------------------+
| Words |
+----------------------+
| My Name is John |
| Carol |
| My Name is Johnson |
+----------------------+
3 rows in set (0.00 sec)
Check whether the old table has the same records or not −
mysql> select *from WholeWordMatchDemo;
The following is the output −
+----------------------+
| Words |
+----------------------+
| My Name is John |
| Carol |
| My Name is Johnson |
+----------------------+
3 rows in set (0.00 sec)
Published on 11-Jan-2019 08:03:40
