how to delete whole data from table in sql code example

Example 1: delete all records from table

DELETE FROM table_name;

Example 2: sql delete row from table

DELETE FROM table_name WHERE condition;

Example 3: how to delete row in sql

delete from TableName where condition;
delete from scrumteam where firstname='Jack';
delete from scrumteam where JobTitle='SDET';

Example 4: sql delete where in

-- Deletes all records where `columnName` matches the values in brackets.
DELETE FROM tableName WHERE columnName IN ('val1', 'val2', 'val3');