Question
11 × 25 + 12 × 15 + 14 × 20 + 15 =
? What will come in the place of question mark in the given expression (?)Solution
ATQ, 11 × 25 + 12 × 15 + 14 × 20 + 15 = ? 5 × {(11 × 5) + (12 × 3) + (14 × 4) + 3} = ? ? = 5 × (55 + 36 + 56 + 3) ? = 5 × 150 ? = 750
What is referential integrity?
Which deadlock prevention scheme allows older transactions to preempt younger ones?
In an E-R Diagram, entities are typically represented by:
In PL/SQL, a `CURSOR` is used to:
A system is in a safe state when:
Which database model represents data in a tree-like structure, where each child record has only one parent?
A "diamond" shape in an E-R Diagram typically represents a:
Distributed transactions typically use which protocol for atomicity?
Which normal form ensures no partial dependency of non-prime attributes on a candidate key?
Which of the following is a non-relational database?
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