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8 Απρ 2016 · You can delete from a temprorary table. It's just your syntax seems wrong. Try this: --drop table #temptable . create table #temptable (Id int) insert into #temptable . select 1 union. select 2 union . select 3 . delete from #temptable . where Id =2.
MySQL removes the temporary table automatically when the session ends or the connection is terminated. Also, you can use the DROP TABLE statement to remove a temporary table explicitly when you are no longer using it. A temporary table is only available and accessible to the client that creates it.
DROP TEMPORARY TABLE table_name; Using the above syntax, you cannot delete any permanent table. If you try to drop a table using the above syntax, MySQL issue an error saying ERROR 1051 (42S02): Unknown table 'table_name'. For dropping a temporary table, you use the following statement. mysql> DROP TEMPORARY TABLE course_enrolled;
2 Ιουλ 2024 · temp_table_name: This is the name of the temporary table you want to drop. Example. Assume you have a temporary table named ' temp_orders ' that you created earlier. To drop this table, you would use the following SQL statement: DROP TEMPORARY TABLE IF EXISTS temp_orders;
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. One implication of this behavior is that a ...
14 Απρ 2024 · A temporary table in MySQL is a table that is dynamically created within a database and exists only for the duration of a session or connection; This means that once the session ends, the table is automatically deleted.
To create a temporary table into MySQL database through a Node.js program, we need to execute the Create Temporary Table statement using the query() function of the mysql2 library as −. sql="CREATE temporary Table table_name(column_name, column_type, ...)"; con.query(sql);
