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Databases

Materials for GATE preparation in Databases

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A) $(∀x)[α] ⇒ (∀x)[β]) ⇒ (∀x)[α ⇒ β]$ α β For A the above sentence means that for all x if α [...]

The reflection matrix, to reflect a point $(x,y)$ about the line $y=mx$ where $m=tan\theta$ is given [...]

The Operating System uses two registers to implement memory protection, namely relocation register a [...]

In a two-pass assembler, pass 2 only generates. Nothing else. Precisely, the function of pass 2 is t [...]

If we consider the root to be at height $0$ Minimum height: $floor \ logn$ Maximum height: $1.44* l [...]

Answer: 2) Total number of employees in each department D1 and D2 if there total is >5 Explanatio [...]

Stitching “Shoe is related to shining” is a way of maintaining shoes. So, Snitching is also a way of [...]

They can be either $7$ or $5$ So data inadequate seems to be the best choice [...]

Let the work to be done is $12$ units.(Take any number that is divisible by $4,3,2$ like $12,24,36…. [...]

We can decode it as: $U+2=W$ $P-2=N$ $G+2=I$ $R-2=P$ $A+2=C$ $D-2=B$ $E+2=G$ we start with +2 and al [...]

Opt A [...]

$A=Plays\ Badminton\ and\ husband\ of\ E\ (दादा)$ $B=Plays\ Carrom\ and\ daughter-in-law\ of\ E\ and [...]

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