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2. ročník / DBS subquery
« on: 16.05.2013, 19:04:59 »
Vie niekto ako sa píše relačná algebra keď mám vrámci selectu subquery ?
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prosim niekoho čo sa chape do zotavenia ...čo znamena znak & tom while cykle???
check(HZ | K);
while (sym & (HZ)){
Z(HZ |K);
check(HZ | K);
}