Create database if not exists

CREATE DATABASE creates a database with the given name. As the name suggests, it will create the database if none exists as per the configuration. CREATE SCHEMA is a synonym for CREATE DATABASE. For valid identifiers to use as database names, see Identifier Names.

If for example I want to create a database called Testing I first want to check if the database exists before I create it. SELECT IF(EXISTS ( SELECT SCHEMA NAME FROM INFORMATION HEMATA WHERE SCHEMA NAME DbName Yes, No ) as exist. Call mysqliselectdb (link, php) to make that the default database for your connection. Microsoft SQL Server lacks the function of create table if not exist, meaning table creation queries will fail if the table already exists. There are different ways of identifying the Database existence in Sql Server, in this article will list out the different approaches which are commonly used and its pros and cons.

Your SQL statement should be CREATE DATABASE IF NOT EXISTS php1.

CREATE DATABASE is not permitted within a session that has an active LOCK TABLES statement. To use this statement, you need the CREATE privilege for the database. You could drop the table before creating it, but again, you may run into problems if the table does not exist.

An error occurs if the database exists and you did not specify IF NOT EXISTS. I tried to search if this had been asked before but didn t found anything so I hope It has not been 1times before me. Many a times we come across a scenario where we need to execute some code based on whether a Database exists or not. Is it possible to check if a database allready exist in the SQL Server 2005?

CREATE SCHEMA is a synonym for CREATE DATABASE.

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With this Script you can get Yes or No database exists, in case it does not exist it does not throw Exception. However, if you change the model class and then run the application with this initializer, then it will throw an exception. I know that that I can use IF NOT EXISTS but i need return string DATABASE CREATED or DATABASE EXIST Szymson Oct at 20:then make a stored proc out of it and pass a parameter Drew Oct at 20:33. Three steps to fix this: Dont specify the database name when connecting.

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