SELECT for querying data.INSERT for adding data.UPDATE for modifying data.DELETE for removing data.DROP, ALTER, and CREATE are DDL (Data Definition Language) commands, not DML. Thus, the correct DML command in the options is DELETE.
On a relation named Loan of a bank: 


Identify the part of the sentence that contains a grammatical error:
Each of the boys have submitted their assignment on time.
Rearrange the following parts to form a meaningful and grammatically correct sentence:
P. a healthy diet and regular exercise
Q. are important habits
R. that help maintain good physical and mental health
S. especially in today's busy world