Select: select * from table1where ID = 1 (ID = 1 is a conditional statement, customized according to your own situation).
Insert: Inserts a value (value 1, value 2) into the table 1 (field 1, field 2).
Delete: delete from the table 1 where range.
Update: updatetable1setfield1= value1where range.
Search: the syntax of select * from table 1 where field1like'% value1%'-like is very subtle, please check the information!