You will pass its second argument with a proper SQL command to create a table. CREATE OR REPLACE VIEW view_name AS Select_statements FROM table; Example mysql> Create OR Replace VIEW Info AS Select Id, Name, Address, Subject from student_info WHERE Subject = 'Computers'; Query OK, 0 rows affected (0.46 sec) The above query will create or replace a … Example. How to create MySQL Temporary table. SQL CREATE VIEW Statement. This means that two different sessions can use the same temporary table name without conflicting with each other or with an existing non-TEMPORARY table of the same name. This change means that, for the preceding example, the CREATE TABLE IF NOT EXISTS ...SELECT statement inserts nothing into the destination table as of MySQL 5.5.6.. Example. The metadata lock is still held for the create table part (very short) but isn’t for the “insert … select” part (the total time to hold the lock is much shorter). One of the nice things about the syntax is that you can be sure that a CREATE OR REPLACE will never cause you to lose data (the most you will lose is code, which hopefully you'll have stored in source control somewhere).. Summary: in this tutorial, you will learn how to use the MySQL CREATE VIEW statement to create a new view in the database.. Introduction to MySQL CREATE VIEW statement. In SQL, a view is a virtual table based on the result-set of an SQL statement. mysql> USE testdb; Database changed Now, you can start creating tables and other databases objects within the testdb database.. To quit the mysql program, type exit command:. You will pass its second argument with a proper SQL command to create a table. First, REPLACE statement attempted to insert a new row into cities the table. To create a Temporary Table in MySQL, we add the TEMPORARY keyword in the CREATE TABLE statement. Introduction. A view contains rows and columns, just like a real table. In SQL, a view is a virtual table based on the result-set of an SQL statement. This change in handling of IF NOT EXISTS results in an incompatibility for statement-based replication from a MySQL 5.1 master with the original behavior and a MySQL 5.5 slave with the new behavior. Could also mention that MariaDB, a "drop-in replacement" for MySQL, does support the CREATE OR REPLACE PROCEDURE syntax since version 10.1.
Note that the SQL needs to end with semi-colon if you have multiple queries in the query window. Copy and paste the following SQL to your SQLyog free Community Edition query window. Inserting into a Table from another Table. CREATE [OR REPLACE] VIEW [db_name. INSERT INTO table_1 SELECT * FROM table_2; Let's now look at a practical example, we will create a dummy table for movie categories for demonstration purposes.
mysql> exit Bye MySQL replace函数我们经常用到，下面就为您详细介绍MySQL replace函数的用法，希望对您学习MySQL replace函数方面能有所启迪。 最近在研究CMS，在数据转换的时候需要用到mysql的MySQL replace函数，这里简单介绍一下。 It has a variety of options to grant specific users nuanced permissions within the tables and databases—this tutorial will give a short overview of a … Creating Tables Using PHP Script. Copy and paste the following SQL to your SQLyog free Community Edition query window.