check if database exists sql
SELECT SCHEMA_NAME
FROM INFORMATION_SCHEMA.SCHEMATA
WHERE SCHEMA_NAME = 'DBName'check if database exists sql
SELECT SCHEMA_NAME
FROM INFORMATION_SCHEMA.SCHEMATA
WHERE SCHEMA_NAME = 'DBName't-sql check if data exists
if exists(select 1 from INFORMATION_SCHEMA.TABLES T
where T.TABLE_NAME = 'Bookings')
begin
drop table Bookings
end
GO
create table Bookings(
FlightID int identity(1, 1) primary key,
TicketsMax int not null,
TicketsBooked int not null
)
GO
insert Bookings(TicketsMax, TicketsBooked) select 1, 0
insert Bookings(TicketsMax, TicketsBooked) select 2, 2
insert Bookings(TicketsMax, TicketsBooked) select 3, 1
GO
select * from BookingsCopyright © 2021 Codeinu
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