Database Systems MCQs (Computer Science) From Textbook

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

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The MCQ: In accessing a database from a Java program is to, opening a connection is said to be the; "Database Systems MCQs" App Download [Free] with answers: first step, zeroth step, second step, and last step for online certificate programs. Solve Query Optimization Techniques Quiz Questions, download Google e-Book (Free Chapter) for online software development courses.

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

  1. Zeroth step
  2. First step
  3. Second step
  4. Last step
MCQ: 262

In a set the presence of null values can complex the definition of

  1. rank
  2. aggregates
  3. row_number
  4. set difference
MCQ: 263

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

  1. 2 types
  2. 3 types
  3. 4 types
  4. 5 types
MCQ: 264

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

  1. Clone data
  2. Copied data
  3. Finer data
  4. Original data
MCQ: 265

Older systems allow multiple statements to be executed in

  1. Multiple calls
  2. Single calls
  3. No calls
  4. Automatically

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