>>> CREATE INDEX idx2 ON T2 (
>>> (select prod from T1 where  t1.id = t2.t1id) [as prod],
>>> (select pok from T1 where  t1.id = t2.t1id) [as pok],
>>> kolvo)
>>
>> öÅÎØ, ÜÔÕ ÍÙÓÌØ ÔÙ ÍÏÖÅÛØ ÚÁËÏÐÁÔØ ÏÞÅÎØ ÇÌÕÂÏËÏ, É ÕÓÐÏËÏÉÔØÓÑ.
>> ÷ ËÌÀÞÁÈ ÎÅÔ ÉÄÅÎÔÉÆÉËÁÔÏÒÏ× ÔÒÁÎÚÁËÃÉÊ.

îÅÍÎÏÇÏ ÐÏÍÁÈÁ× ËÕ×ÁÌÄÏÊ ÎÁ ÓÔÒÏÊËÅ ÏÓÅÎÉÌÏ. üÔÁ ËÏÎÓÔÒÕËÃÉÑ ÁÎÁÌÁÇÉÞËÁ 
ÉÎÄÅËÓÕ ÐÏ ×ÙÒÁÖÅÎÉÀ ôÁË ÞÔÏ Ñ ÄÕÍÁÀ ÜÔÏ ÒÅÁÌÉÚÕÅÍÏ. éÎÁÞÅ ËÁË ÖÅ ÉÎÄÅËÓ ÐÏ 
×ÙÒÁÖÅÎÉÀ ÖÉ×ÅÔ ÂÅÚ "÷ ËÌÀÞÁÈ ÎÅÔ ÉÄÅÎÔÉÆÉËÁÔÏÒÏ× ÔÒÁÎÚÁËÃÉÊ." 



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