DBMS Query
(1) CREATE TABLES
INSERT VALUES IN ALL 5 TABLES
Query:-
CREATE TABLE CofRajkot_detail(
Name varchar(50),
Age int,
PartyName varchar(50),
SLocation varchar(50),
)
insert into dbo.CofRajkot_detail(Name,[Age],PartyName,SLocation)
values('Denish Akbari',25,'BJP','Rajkot');
insert into dbo.CofRajkot_detail(Name,[Age],PartyName,SLocation)
values('Bansal Vaishnav',27,'Congress','Rajkot');
insert into dbo.CofRajkot_detail(Name,[Age],PartyName,SLocation)
values('Siddharth Dhameliya',24,'AAP','Rajkot');
insert into dbo.CofRajkot_detail(Name,[Age],PartyName,SLocation)
values('Kaushal Doshi',30,'SAPA','Rajkot');
insert into dbo.CofRajkot_detail(Name,[Age],PartyName,SLocation)
values('Nipun Parekh',32,'other','Rajkot');
(2) WRITE ONE QUERY FOR PRIMARY KEY
WRITE TWO QUERIES FOR ALTER, ONE WITH ADD AND ONE WITH ALTER
QUERY:-
alter table CofRajkot_detail
add primary key(Name)
alter table CofRajkot_detail
alter column Name varchar(50) NOT NULL
(3) DROP ANY ONE TABLE
Query:-
drop table CofRajkot_detail
(4) TRUNCATE ANY ONE TABLE
QUERY:-
truncate table CofMorbi_detail
(5) DELETE 2 ROWS FROM ALL FIVE TABLES
QUERY:-
delete CofRajkot_detail
where Name='Bansal Vaishnav' or Name='Kaushal Doshi';
delete CofRajkot_detail
where Name='Bansal Vaishnav' or Name='Kaushal Doshi';
(6) ADD THAT COLUMN
Query:-
ALTER TABLE CofMorbi_detail
ADD Age int;
update CofMorbi_detail
set Age=24
where Name='Marlin Shah'
(7) WRITE DOWN QUERY FOR UPDATE YOUR COLUMN VALUES
Query:-
update CofMorbi_detail
set Age=22
where Name='Marlin Shah'
select * from CofMorbi_detail
(8) DELETE TWO COLUMNS
Query:-
ALTER TABLE CofMorbi_detail
DROP COLUMN Age;
select * from CofMorbi_detail
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