DATABASE SYSTEM CONCEPTS LCPO
DATABASE SYSTEM CONCEPTS LCPO
7th Edition
ISBN: 9781265586577
Author: SILBERSCHATZ
Publisher: MCG
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Chapter 15, Problem 6PE

Explanation of Solution

a.

Different way to handle the given selection:

σ¬(branch_city<"Brooklyn"

Explanation of Solution

b.

Different way to handle the given selection:

σ¬(branch_city="Brooklyn"

Explanation of Solution

c.

σ¬(branch_city<"Brooklyn"assets<5000)(branch)

The above query is equivalent to the below query:

σ¬(bra

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