Which of the following is NOT a superkey in a relational schema with attributes V, W, X, Y, Z and primary key VY?
Which one of the following is NOT a part of the ACID properties of database transactions?
Schema R(VOLUME, NUMBER, STARTPAGE, ENDPAGE, TITLE, YEAR, PRICE) with PK (VOLUME, NUMBER, STARTPAGE, ENDPAGE). FDs: (VOLUME, NUMBE…
A 2PL protocol acquires exclusive locks to objects O1, ..., Ok in increasing order of their addresses, performs operations, and re…
B+ Trees are considered BALANCED because
Schedule S: r2(X); r1(X); r2(Y); w1(X); r1(Y); w2(X); a1; a2. Which statement is TRUE?
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