Dstor Union Dr Sql

K az dstorat mhm dr an zban atsal rshth ha bh kdgr a astlaha concatenation ast.

Dstor union dr sql. Dstor union dr sql az dstor union bra trkyb o adgham do ya chnd ston mkhtlf az 2 ya chnd jdol o nshan dadn aanha dr yk ston mshtrk astfadh m shod dr dstor union noaa dadh a ston ha antkhab shdh bra trkyb bayd yksan bashnd. Dr ayn dstor noaa dadh a ston ha antkhab shdh bra trkyb bayd yksan bashnd. Aan chnd ta dstor select ra ba hm jmaa knm. Boslh sub query ha m toan dakhl k koer koer dgr nosht o br asas aan dadh ra fltr krd a nmash dad.

Aabart join dr sql dr k aabart dgr as koal mord astfadh krar m grd ta az do jdol mkhtlf koer sort bgrd. Dr ksmt bst o hftm az dorh aamozsh sql server ba mbhth sub query ha aashna m shom. Zman kh k join bn do jdol anjam m dhm dr oakaa az hr jdol k ston antkhab m knm ta bh hm alhak knm o an do ston. Aamozsh view dr sql view dr sql dr oakaa hman jdaol mjaz hstnd kh tost aan m toand aamlat khas ro kh shaml dstorat sql mshh ro anjam bdhd o bh sort khroj dashth bashd.

Frm dstor select select columnnamecolumnname from tablename. Dstorat mkdmat sql dstor update. Ayn dstor bra tghyyr atlaaaat mojod dr yk fyld o jaygzyn aan ba yk mkdar jdyd bh kar m rod. Dr an jlsh bh aamozsh dstor union dr sql m prdazmbh sort khlash dstor union.

Dr an ksmt az aamozsh sql aamlgr union ra bh shma aalakh mndan bh trah sat aamozsh m dhmdr dstor unoin bra trkb o adgham do a chnd ston mkhtlf az do a chnd jdol o nshan dadn aan ha dr k ston mshtrk astfadh m knnddr aamlgr union noaa. Dstor select dr sql server dstor select bra antkhab dadh az k pagah dadh astfadh m shod. Shkl kl ayn dstor bh sort zyr ast. Sql k abzar fok alaaadh kdrtmnd ast kh kablt ha zad ra bra karbran frahm m knd.

Ntjh dr jdol ntaj kh result set namdh m shod thkhrh mgrdd.