1. Dropping a database does not automatically drop any TEMPORARY tables created within that database. Let us verify the concept. Temporary table will be automatically destroyed when the session ends or connection is closed. Dropping the table only if it doesn’t exist isn’t quite right. How to create MySQL Temporary table. To create a Temporary Table in MySQL, we add the TEMPORARY keyword in the CREATE TABLE statement. Either conditionally create then populate: CREATE TEMPORARY TABLE IF NOT EXISTS fubar ( id int, name varchar(80) ) TRUNCATE TABLE fubar CREATE TABLE IF NOT EXISTS. The user can also drop temporary table. The tasks table has the following columns: The task_id is an auto-increment column. My code uses a Source table that changes, and a Destination table that must match those changes.-- -- Sample SQL to update only rows in a "Destination" Table -- based on only rows that have changed in a "Source" table -- -- -- Drop and Create a Temp Table to use as the "Source" Table -- IF OBJECT_ID('tempdb..#tSource') IS NOT NULL drop table #tSource create table #tSource (Col1 int, Col2 … BEGIN; /* generates the temporary table of ID's */ CALL fetch_inheritance_groups('abc123',0); /* uses the results of the stored procedure in the WHERE */ … Note that the SQL needs to end with semi-colon if you have multiple queries in the query window. If you use the INSERT statement to insert a new row into the table without specifying a value for the task_id column, MySQL will automatically generate a sequential integer for the task_id starting from 1.; The title column is a variable character string column whose maximum length is 255. CREATE TEMPORARY TABLE. TEMPORARY tables have a very loose relationship with databases (schemas). SQL Server - Create temp table if doesn't exist. Temporary tables option is available in MySQL version 3.23 and above. But I really didn't want to resort to trapping an exception in my program. Every CREATE DATABASE IF NOT EXISTS statement is replicated, whether or not the database already exists on the source. I suppose could count the rows in Tablex and it would throw an exception if the table did not exist . Copy and paste the following SQL to your SQLyog free Community Edition query window. I thought there should be an easy way using SQL to determine if a temporary table exists or not… To create a temporary table, you must have the CREATE TEMPORARY TABLES privilege. Here, we are creating a table that already exist − mysql> CREATE TABLE IF NOT EXISTS DemoTable ( CustomerId int, CustomerName varchar(30), CustomerAge int ); Query OK, 0 rows affected, 1 warning (0.05 sec) Viewed 5k times 3. 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