delete all records from table except sql code example

Example 1: delete all records from table

DELETE FROM table_name;

Example 2: delete all records from table except sql

delete from yourTableName where yourColumnName NOT
IN(‘yourValue1’,‘yourValue2’,‘yourValue3’,.........N);

Example 3: delete all records from table except sql

DELETE FROM my_table WHERE col1 > 2;
DELETE FROM my_table WHERE col1 IS NOT NULL;