Database Systems Competitive Exam MCQs – Practice Test 53 (Chapter 1)

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Advanced SQL MCQs – Practice Test 53 PDF Download

MCQ 261: In accessing a database from a Java program is to, opening a connection is said to be the:

Zeroth step
First step
Second step
Last step

MCQ 262: In a set the presence of null values can complex the definition of:

rank
aggregates
row_number
set difference

MCQ 263: To access SQL from a general-purpose programming language, there are approaches of:

2 types
3 types
4 types
5 types

MCQ 264: Finer-granularity from coarse-granularity data cannot be generated, they must be generated from the:

Clone data
Copied data
Finer data
Original data

MCQ 265: Older systems allow multiple statements to be executed in:

Multiple calls
Single calls
No calls
Automatically

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