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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 single session. A temporary table is handy when it is impossible or expensive to query data that requires a single SELECT statement.
A temporary table in MySQL is created by CREATE TEMPORARY TABLE statement. Note the keyword TEMPORARY which is used between the CREATE and TABLE keywords. For creating a temporary table, you must have the CREATE TEMPORARY TABLE privileges on the database.
2 Ιουλ 2024 · MySQL Temporary Table Example. let's create a temporary table to store intermediate results of a sales query: CREATE TEMPORARY TABLE temp_sales ( sale_id INT, product_id INT, sale_amount DECIMAL(10, 2) ); Inserting Data into a Temporary Table. Insert the example values into the temp_sales table:
29 Αυγ 2013 · You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only to the current session, and is dropped automatically when the session is closed. 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.
13 Απρ 2024 · Here’s an example for SQL Server: CREATE TABLE #ExampleTempTable ( ID INT PRIMARY KEY, Name NVARCHAR(50), Age INT. ); One noteworthy advantage of temp tables is their support of all DDL (Data Definition Language) and DML (Data Manipulation Language) operations, just like regular tables.
To create a temporary table, you must have the CREATE TEMPORARY TABLES privilege. After a session has created a temporary table, the server performs no further privilege checks on the table. The creating session can perform any operation on the table, such as DROP TABLE, INSERT, UPDATE, or SELECT.
You can use the TEMPORARY keyword when creating a table. A TEMPORARY table is visible only within the current session, and is dropped automatically when the session is closed.
