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Mysql-quiz

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SQL Questions

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1. In order to sort the records according to the columns, which clause is used?

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2. What is joining a table to itself called?

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3. Which data manipulation command is used to combines the records from one or more tables?

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4. In inner join, result is produced by matching rows in one table with rows in another table.

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5. Which keyword in the UPDATE statement is used to assign values to columns?

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6. . A View can be used to select a subset of the table columns.

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7. The comma operator can also be used to join tables.

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8. Which datatype can store unstructured data in a column?

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9. Which among the following is the correct syntax for defining “Constraint Check” in Mysql?

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10. Which clause is used to retrieve a unique element from the table?

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11. In order to delete the database, which keyword is used?

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12. What operator tests column for absence of data

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13. Which of the following is not a valid aggregate function?

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14. CROSS JOIN and JOIN are similar to __________

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15. In which join all the rows from the left table appear in the output irrespective of the content of the other table?

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