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Mysql-quiz

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SQL Questions

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1. CREATE VIEW xyz (abc) AS SELECT a FROM t;

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2.

In the following SQL query, what does “person” stands for? INSERT INTO person
(person_id, fname, lname)
VALUES (1,’S’,’P’);

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3. Which of the following is not Constraint in SQL?

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4. How many Primary keys can have in a table?

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5. A multiple-table delete can apply any join.

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6. The clause that filters JOIN results is called _________

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7. Which statement is TRUE about the WHERE Clause?

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8. Full form of DDL is –

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9. Which operator is used to compare a value to a specified list of values?

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10. UPDATE statement is a DML statement. What does DML stand for?

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11. SELECT select_list FROM table_list WHERE row_constraint GROUP BY grouping_columns; Which of these is not optional?

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12. Full form of DCL is -

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13. A view can be deleted using the command __________

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14. What is the difference between HAVING and WHERE clause?

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15. What is the functionality of SQL COUNT?

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