delete all records from table
DELETE FROM table_name;sql delete
DELETE FROM table_name WHERE condition;
-- Ex.
DELETE FROM Customers WHERE CustomerName='Mustafa Mbari';how to delete row in sql
delete from TableName where condition;
delete from scrumteam where firstname='Jack';
delete from scrumteam where JobTitle='SDET';sql delete all values in a column
UPDATE TableName SET ColumnName = NULLsql delete where in
-- Deletes all records where `columnName` matches the values in brackets.
DELETE FROM tableName WHERE columnName IN ('val1', 'val2', 'val3');what is delete 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 TruncateCopyright © 2021 Codeinu
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