Mastering Time Zones
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Questions and Answers

What are the three formats that can be used to specify time zone when using the SET timezone command?

  • Time zone name, POSIX-style format offset, ISO-8601 format offset (correct)
  • Time zone abbreviation, POSIX-style format offset, ISO-8601 format offset
  • Time zone name, POSIX-style format offset, UTC offset
  • Time zone abbreviation, POSIX-style format offset, UTC offset

    • Does the SET command support time zone abbreviations like PST or PDT?

  • No, it doesn't (correct)
  • Only when used with the TO or = keywords
  • Yes, it does
  • It depends on the specific time zone abbreviation

    • What is the difference between POSIX-style time zone formats and ISO-8601 convention?

  • POSIX-style uses negative offsets west of Greenwich, while ISO-8601 uses negative offsets east of Greenwich
  • POSIX-style uses positive offsets west of Greenwich, while ISO-8601 uses positive offsets east of Greenwich (correct)
  • POSIX-style uses positive offsets east of Greenwich, while ISO-8601 uses positive offsets west of Greenwich
  • There is no difference between POSIX-style and ISO-8601 time zone formats

    • What is an INTERVAL time zone offset?

    <p>An offset from UTC in the form of a numeric value</p> Signup and view all the answers

    How can you set the time zone for a specific database user?

    <p>Using an ALTER USER ... SET statement</p> Signup and view all the answers

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