Oracle
1Z0-514 · Question #66
1Z0-514 Question #66: Real Exam Question with Answer & Explanation
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Question
Which two statements are true regarding the usage of integrity constraints? (Choose two.)
Options
- Al EM h column can have only one constraint.
- BPrimary key constrain) can consist of multiple columns from the same table.
- CForeign key column can reference e a primary key column in the same of or different tables.
- DMore than one row in a table cannot contain null value In a column with unique constraint.
- EA chock constraint can enforce conditions that refer to the values in other columns in the table.
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