What is the use of double ampersand (&&) in sql queries? Give an example
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Is it possible to use Transaction control Statements such a ROLLBACK or COMMIT in Database Trigger ? Why ?
select 10 from dual; y its showing all the rows with 10?
what is a composite key ? : Sql dba
list out some tools through which we can draw e-r diagrams for mysql. : Sql dba
What do you mean by field in sql?
What is varchar data type in sql?
What is left join in sql?
What is a schema? How is it useful in sql servers?
declare lowerl number:= 1; upperl number:= 3; num varchar2(10); begin for i into lowerl..upperl loop num:=num||to_char(lowerl); if i=3 then upperl:=5; end loop; message(num); What will be the output ?
What is the purpose of my sql?
Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.
What is sql server and ase?
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