Which of the following statements is correct? (refer to the tables in the JustLee Books database.)a. The WHERE clause can contain a group function only if the function isn’t also listed in the SELECT clause.b. Group functions can’t be used in the SELECT, FROM, or WHERE clauses.c. The HAVING clause is always processed before the WHERE clause.d. The GROUP BY clause is always processed before the HAVING clause.

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Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.