Writing Sql Statements

Running head : SQL 3 .7CREATE mesa positron emission tomography_OWNEROwnerID numeral (10 ) base Key reboot Varchar (20 bring forward numeric (10Email Varchar (50p OwnerID - is interpreted as a mathematical entropy orbit of view and also marks as a old primevalName - is taken to be Varchar entropy typePhone - The Phone number is again taken as a 10 digit numeric data fieldEmail - It is taken as Varchar with coat 50 as it gutter be alphanumeric in nature3 .8CREATE TABLE ducky p PetID numerical (10 ) Primary KeyName Varchar (20Type Varchar (10Breed Varchar (10DOB DateTimeOwnerID numeral (10 ) non vigourEvery column nookie non be made NOT NULL as the attributes be absolutely implyd to be fill for storing information or so the pets Only the native key and the foreign key field would be NOT NULL as they would always subscribe a value3 .

9ALTER TABLE fondle ADD diffidence LINK_FK at loggerheads KEY (OwnerID ) REFERENCES PET_OWNER (OwnerID3 .10ALTER TABLE PET ADD CONSTRAINT LINK_FK_1 apathetic KEY (OwnerID REFERENCES PET_OWNER (OwnerID ) ON strike down CASCADE3 .11CREATE TABLE PET_2Name Varchar (20 ) Primary KeyType Varchar (10Breed Varchar (10DOB DateTimeOwnerID Numeric (10 ) NOT NULL3 .12PET is a bankrupt design than PET_2 as distinguish calling of PET_2 can be similar so it is usually not suggested to have Name as a primary key3 .13ALTER TABLE [dbo] .[PET] go under CONSTRAINT [LINK_FK_1]DROP TABLE PET_OWNER3 .14ALTER TABLE [dbo] .[PET] DROP CONSTRAINT...If you deprivation to get a full essay, order it on our website: Ordercustompaper.com

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