The USER_TAB_COLUMNS data dictionary object may be used to identify columns that are assigned an ON NULL clause.

Name: The USER_TAB_COLUMNS data dictionary object may be used to identify columns that are assigned an ON NULL clause.
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Question

The USER_TAB_COLUMNS data dictionary object may be used to identify columns that are assigned an ON NULL clause.​

Quizplus · Accepted Answer

The USER_TAB_COLUMNS data dictionary object contains information about the columns of all tables, including information about ON NULL clauses assigned to columns. Therefore, it can be used to identify columns that are assigned an ON NULL clause.

The USER_TAB_COLUMNS Data Dictionary Object May Be Used to Identify