Hello, All!

îÅÔ ÌÉ × Firebird ÁÎÁÌÏÇÁ ËÏÎÓÔÒÕËÃÉÉ KEY JOIN ÉÚ Sybase Adaptive Server 
Anywhere.
åÓÌÉ ÎÅÔ, ÔÏ ÎÅÌØÚÑ ÌÉ ÓÄÅÌÁÔØ (ÍÏÖÅÔ, × ÕÐÒÏÝÅÎÎÏÊ ÆÏÒÍÅ).
KEY JOIN ÍÏÇ ÂÙ ÂÙÔØ ÐÏÌÅÚÎÅÅ, ÞÅÍ ÕÖÅ ÒÅÁÌÉÚÏ×ÁÎÎÙÊ NATURAL JOIN, ÔÁË ËÁË
ÉÓÐÏÌØÚÕÅÔ Ñ×ÎÕÀ ÉÎÆÏÒÍÁÃÉÀ Ï Ó×ÑÚÉ ÔÁÂÌÉà ÉÚ DDL, Á ÎÅ ÓÏ×ÐÁÄÅÎÉÅ ÉÍÅÎ, 
ËÏÔÏÒÏÅ ÍÏÖÅÔ ÐÒÏÉÚÏÊÔÉ É ÓÌÕÞÁÊÎÏ.
õÎÉ×ÅÒÓÁÌØÎÏÊ ÂÙÌÁ ÂÙ "ÇÉÂÒÉÄÎÁÑ" ËÏÎÓÔÒÕËÃÉÑ:
<table reference> <join type> JOIN <table reference> USING ( <key name> )

÷ÏÔ ×ÙÄÅÒÖËÁ ÉÚ ÓÐÒÁ×ËÉ Sybase ÐÒÏ KEY JOIN:

/ ****************************************************************
ðÒÉ ÏÐÒÅÄÅÌÅÎÉÉ ËÌÀÞÅ×ÏÇÏ ÓÏÅÄÉÎÅÎÉÑ Adaptive Server Anywhere
ÇÅÎÅÒÉÒÕÅÔ ÕÓÌÏ×ÉÅ ÓÏÅÄÉÎÅÎÉÑ, ÏÓÎÏ×ÁÎÎÏÅ ÎÁ Ó×ÑÚÑÈ ÐÏ ×ÎÅÛÎÅÍÕ ËÌÀÞÕ
× ÂÁÚÅ ÄÁÎÎÙÈ. äÌÑ ÉÓÐÏÌØÚÏ×ÁÎÉÑ ËÌÀÞÅ×ÏÇÏ ÓÏÅÄÉÎÅÎÉÑ ÎÅÏÂÈÏÄÉÍÏ
ÎÁÌÉÞÉÅ Ó×ÑÚÉ ÐÏ ×ÎÅÛÎÅÍÕ ËÌÀÞÕ ÍÅÖÄÕ ÔÁÂÌÉÃÁÍÉ, × ÐÒÏÔÉ×ÎÏÍ ÓÌÕÞÁÅ
×ÙÄÁÅÔÓÑ ÏÛÉÂËÁ.

îÁÐÒÉÍÅÒ, ÓÌÅÄÕÀÝÉÊ ÚÁÐÒÏÓ Ñ×ÌÑÅÔÓÑ ÐÒÏÓÔÙÍ ËÌÀÞÅ×ÙÍ ÓÏÅÄÉÎÅÎÉÅÍ,
Ó×ÑÚÙ×ÁÀÝÉÍ ÔÁÂÌÉÃÙ product É sales_order_items ÎÁ ÏÓÎÏ×Å Ó×ÑÚÉ ÐÏ
×ÎÅÛÎÅÍÕ ËÌÀÞÕ × ÂÁÚÅ ÄÁÎÎÙÈ:

SELECT * FROM product
KEY JOIN sales_order_items

óÌÅÄÕÀÝÉÊ ÚÁÐÒÏÓ ÜË×É×ÁÌÅÎÔÅÎ:

SELECT * FROM product
JOIN sales_order_items ON sales_order_items.prod_id = product.id

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With best regards, Oleg Prosvetov. 



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