Oracle
1Z0-071 · Question #103
1Z0-071 Question #103: Real Exam Question with Answer & Explanation
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Question
Which two statements are true regarding the SQL GROUP BY clause?
Options
- AYou can use a column alias in the GROUP BY clause.
- BUsing the WHERE clause after the GROUP BY clause excludes rows after creating groups.
- CThe GROUP BY clause is mandatory if you are using an aggregating function in the SELECT
- DUsing the WHERE clause before the GROUP BY clause excludes rows before creating groups.
- EIf the SELECT clause has an aggregating function, then columns without an aggregating function
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