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Oracle Database Fundamentals and SQL

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Multiple Choice

You are managing constraints on a table in Oracle. Which of the following choices correctly identifies the limitations on check constraints?

  1. Values must be obtained from a lookup table.
  2. Values must be part of a fixed set defined by create or alter table.
  3. Values must include reserved words, such as SYSDATE and USER.
  4. The column cannot contain a NULL value.
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