All columns or specific columns can be selected. So, when a client connects to or opens a mysql command prompt, a database (from existing multiple databases) should be selected to run the SQL queries or operations. MySQL uses tables CHARACTER SET and COLLATION as default values for column definitions if the character set specified while defining a column. If you create a new table using an existing table, the new table will be filled with the existing values from the old table… mysql documentation: CREATE TABLE FROM SELECT.

A copy of an existing table can also be created using CREATE TABLE. MySQL creates new columns for all elements in the SELECT.For example: mysql> CREATE TABLE test (a INT NOT NULL AUTO_INCREMENT,-> PRIMARY KEY (a), KEY(b))-> ENGINE=MyISAM SELECT b,c FROM test2;

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; . CREATE TABLE stack ( id_user INT, username VARCHAR(30), password VARCHAR(30) ); Summary: in this tutorial, we will discuss MySQL temporary table and show you how to create, use and drop temporary tables.. Introduction to MySQL temporary tables. The following MySQL statement will create a new table 'author_copy' with the same structure and data of 'author' table . In MySQL, a temporary table is a special type of table that allows you to store a temporary result set, which you can reuse several times in a … The following MySQL statement will … In MySQL, I would like to create a new table with all the information in this query: select * into consultaa2 from SELECT CONCAT( 'UPDATE customers SET customers_default_address_id= ', (SELECT a.address_book_id FROM address_book a where c.customers_id=a.customers_id order by address_book_id desc limit 1), ' WHERE customers_id = ', customers_id, ';') AS sql_statement FROM … CREATE TABLE author_copy AS SELECT * FROM author; MySQL CHARACTER SET in CREATE TABLE.

Create Table Using Another Table. Vous pouvez créer une table à partir d'une autre en ajoutant une SELECT à la fin de l'instruction CREATE TABLE: . 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; . Use UNION to select from two tables. Let us first create a table − mysql> create table DemoTable1 ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(20) ); Query … The new table gets the same column definitions. Exemple. How to select a DATABASE in MySQL MySQL Server can contain multiple databases and can serve multiple clients simultaneously.

MySQL creates new columns for all elements in the SELECT.For example: mysql> CREATE TABLE test (a INT NOT NULL AUTO_INCREMENT,-> PRIMARY KEY (a), KEY(b))-> ENGINE=MyISAM SELECT b,c FROM test2;