delete a row in sql code example
Example 1: truncate delete and drop in sql
DELETE -
-DML COMMAND
-Delete Rows from the table one by one
-We can use where clause with Delete to delete single row
-Delete is slower than truncate
-ROLLBACK is possible with DELETE
DROP-
-DDL COMMAND
-Delete the entire structure or schema
-We can't use where clause with drop
-Drop is slower than DELETE & TRUNCATE
-ROLLBACK IS NOT POSSIBLE WITH DROP
TRUNCATE-
-DDL COMMAND
-Truncate deletes rows at a one goal
-We can't use where clause with Truncate
-Truncate faster than both DELETE & DROP
-Rollback is not possible with Truncate
Example 2: delete all records from table
DELETE FROM table_name;
Example 3: how to delete row in sql
DELETE FROM my_table;
DELETE FROM my_table WHERE my_id = 12345;
DELETE FROM my_table WHERE my_id IN (SELECT id2 FROM my_table2);
Example 4: sql delete
DELETE FROM table_name WHERE condition;
DELETE FROM Customers WHERE CustomerName='Mustafa Mbari';
Example 5: sql delete row from table
DELETE FROM table_name WHERE condition;
Example 6: deleting row in sql
delete from TableName where condition;
delete from scrumteam where firstname='Jack';
delete from scrumteam where JobTitle='SDET';