Difference between delete and truncate in sql

Difference between delete and truncate in sql

create table tblstudents

(

std_id int,   

stdname varchar(30), 

age  tinyint,

gender char

)

query 2:  how to insert data into above table

insert tblstudents (std_id, stdname, age, gender)  values (1001, 'jeff',21, 'm')

insert tblstudents (std_id, stdname, age)  values (1002, 'john',null)

Delete  : To remove data from table.      

        

  Query:            delete from tblstudents

Truncate : to remove data from table. this is not logged by log file. 

Query:              Truncate table tblstudents

Drop    : To remove structure of table. 

Query:  drop table tblstudents