The value NULL, in database terminology, means?

PostgreSQL MCQ Quiz (Multiple Choice Questions And Answers)

• PostgreSQL can be used from just about any major programming language, including C, C++, Perl, Python, Java, Tcl, and PHP
• A meta-command always begins with what?
• When you want to use a join between columns that are in the same table, you use what type of join?
• What do you call the application that makes requests of the PostgreSQL server?
• Which of the following best describes a role:
• The most common method to get data into a table is to use what command?
• PostgreSQL is
• PostgreSQL is
• PostgreSQL has many modern features including:
• If you don’t specify ASC or DESC, PostgreSQL will assume you want to see results:
• A VACUUM operation is used:
• The core PostgreSQL source code includes what interfaces?
• Unless you specify NOT NULL, PostgreSQL will assume that a column is:
• To describe a table in PostgreSQL which of the following is correct:
• The value NULL, in database terminology, means?
• To create a database in PostgreSQL, you must have the special CREATEDB privilege or
• What does the following statement do?
• What command allows you to edit PostgreSQL queries in your favorite editor ?
• Advisory locks are allocated out of a shared memory pool whose size is defined by the configuration variables…
• What is “index bloat”?
• To copy a database from server1 to server2, you might use which of the following:
• Fill the blank space:
• Which statement is not true about a PostgreSQL domain?
• To restore a PostgreSQL backup created with pg_dump, the following may be used:
• Which statement is true about PostgreSQL data types?

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• PostgreSQL MCQ Quiz (Multiple Choice Questions And Answers)

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