Mysql query to copy the structure of a table to create another table
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Looking for help in creating a Mysql query to copy the structure of an existing table to create another table.
To create a table as in an exact replica of another table:
CREATE TABLE `new_table_name` LIKE `old_table_name`;
MySQL Copy Table with Example, To create a table as in an exact replica of another table: CREATE TABLE `new_table_name` LIKE `old_table_name`;. First, MySQL creates a new table with the name indicated in the CREATE TABLE statement. The structure of the new table is defined by the result set of the SELECT statement. Then, MySQL populates data that comes from the SELECT statement to the new table. To copy partial data from an existing table to
If you want to also copy the contents of the table you can do:
CREATE TABLE `new_table_name` LIKE `old_table_name`; INSERT INTO `new_table_name` SELECT * FROM `old_table_name`;
Mysql query to copy the structure of a table to create another table , MySQL - Clone Tables - There may be a situation when you need an exact SELECT doesn't suit your purposes because the copy must include the same in. Use SHOW CREATE TABLE to get a CREATE TABLE statement that specifies the source table's structure, Step 2 − Rename this table and create another table. We can copy a table structure and records to another new table. The CREATE TABLE command will create a table with same structure of the old table and add all the records. To export data to an existing table you can use insert command.
If you want to copy the table structure including its keys, then you should use:
CREATE TABLE `new_table_name` LIKE `old_table_name`;
To copy the whole table
CREATE TABLE `new_table_name` SELECT * FROM `old_table_name`;
It will create the table and insert all the data from the old table but without bringing the keys from the old table. So you will need to set the keys for the new table.
MySQL - Clone Tables, This example demonstrates how to create a MySQL table by using another table. A database table is to be modified for its data and/or structure. Copy and paste the following SQL to your SQLyog free Community Edition query window. 3. Create a new table based on one or more existing tables, and at the same time create extra new column(s). The query below is similar to the one shown above, but in the create table statement, it has specified a new column to be created with data type, not null constraint, and auto_increment attribute.
Its old thread but if someone needed. If you want create query that will create exactly copy of existing table.
show create table <existing table name>
MySQL - create table by using another table, You can duplicate or “clone” a table's contents by executing a CREATE TABLE AS SELECT statement: CREATE TABLE new_table AS SELECT * FROM the structure of new_table exactly like that of original_table , but DOES NOT copy the Create a copy of the table. To create a copy of a table called e.g. products and copy the data from this table into the copy the table must first be created. If we wanted to create a copy called e.g. products_bak we can use the CREATE TABLE LIKE query like so: CREATE TABLE products_bak LIKE products An empty copy of the table is then created.
MySQL query to copy the structure of a table to create another table structure without data another way is...
CREATE TABLE `table_name_new` select * from `table_name_old` limit 0;
How to Duplicate a Table in MySQL, On Wednesday I wrote a post about how to copy a table in MySQL using the SHOW CREATE TABLE sql query. Since then Paul Williams in the UK emailed me MySQL - Clone Tables. There may be a situation when you need an exact copy of a table and CREATE TABLE SELECT doesn't suit your purposes because the copy must include the same indexes, default values and so forth. Use SHOW CREATE TABLE to get a CREATE TABLE statement that specifies the source table's structure, indexes and all.
Copy a table in MySQL with CREATE TABLE LIKE, In this tutorial you will learn how to create a duplicate copy of an existing table. Let's make a clone of the table using the MySQL command-line tool. Now, execute another SQL statement which inserts all the records from employees table copy of any table that only includes the structure and data of the source table. Yep, you heard it right, oracle provides a simple way/command of creating a copy of a table either with the data or without the data. It is called “Create Table As” command. “Create Table As” is a DDL command which lets you create an exact copy of a table of your database with or without the data. CREATE TABLE table_name_1.
SQL Cloning or Copying a Table, MySQL Functions. String Functions INTO Statement. The SELECT INTO statement copies data from one table into a new table. The following SQL statement creates a backup copy of Customers: SELECT CustomerID;. Tip: SELECT INTO can also be used to create a new, empty table using the schema of another. There are at least two ways to get a MySQL table’s structure using SQL queries. The first is using DESCRIBE and the second by querying the INFORMATION_SCHEMA. This post deals with the DESCRIBE function and the next MySQL post looks at the INFORMATION_SCHEMA. Example table. The example table used in this post was created with the following SQL:
SQL SELECT INTO Statement, In this tutorial, you will learn how to copy an existing table to a new one using To copy a table completely, including both table structure and data, you use CREATE TABLE new_table AS SELECT * FROM existing_table WHERE condition;. You can create one table from another by adding a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl [AS] SELECT * FROM orig_tbl ; MySQL creates new columns for all elements in the SELECT.
- Please try to test this. To start with, your DDL has a syntax error.
- @rajah9, The quotation was incomplete, corrected. tnks.