Αποτελέσματα Αναζήτησης
14 Ιουλ 2016 · execute these queries : If you want to copy table structure with primary key, foreign key and constrains with data... CREATE TABLE newtableName LIKE oldTableName; INSERT newtableName SELECT * FROM oldTableName;
If you would like to create a new table, the first step is to use the CREATE TABLE clause and the name of the new table (in our example: gamer). Then, use the AS keyword and provide a SELECT statement that selects data for the new table.
17 Φεβ 2014 · CREATE TABLE tablename SELECT * FROM othertable; tablename is the name of the new table you want to create, SELECT * FROM othertable is the query that returns the data the table should be created from.
The CREATE TABLE statement is used to create a new table in a database. Syntax. CREATE TABLE table_name ( column1 datatype, column2 datatype, column3 datatype, .... ); The column parameters specify the names of the columns of the table. The datatype parameter specifies the type of data the column can hold (e.g. varchar, integer, date, etc.).
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. For example: mysql> CREATE TABLE test (a INT NOT NULL AUTO_INCREMENT, -> PRIMARY KEY (a), KEY(b))
The CREATE TABLE statement allows you to create a new table in a database. The following illustrates the basic syntax of the CREATE TABLE statement: CREATE TABLE [ IF NOT EXISTS ] table_name( column1 datatype constraints , column2 datatype constraints , ...
To create a new database in MySQL, you use the CREATE DATABASE statement. The following illustrates the basic syntax of the CREATE DATABASE statement: CREATE DATABASE [IF NOT EXISTS] database_name. [CHARACTER SET charset_name] [COLLATE collation_name]; Code language: SQL (Structured Query Language) (sql) In this syntax:
