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Web Development Practice Test - MYSQL
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Web Development Practice Test - MYSQL
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20 Questions

1. USE keyword is used to select a ____________________
2. Enum values are stored according to their index numbers
3. –i-am-a-dummy flag is used Make the MySQL engine refuse UPDATE and which other command?
4. An outer join requires each record in the two joined tables to have a matching record
5. Can I define multiple unique constraints on a table?
6. Can I define multiple unique constraints on a table?
7. On executing DELETE command, if you get an error “foreign key constraint” – what does it imply?
8. How much storage space does DATETIME require?
9. Which of the following ways below are the correct way to get the current date?
10. BLOB data type can have default column value.
11. What is a candidate key?
12. Which is the default order of sort in ORDER BY clause?
13. USE keyword is used to select a ____________________
14. Can I call a trigger directly from an application?
15. How can we get the number of records or rows in a table?
16. How do I find out all databases starting with `test to which I have access to?
17. –i-am-a-dummy flag is used Make the MySQL engine refuse UPDATE and which other command?
18. Which of the following file extension is valid MyISAM file extension?
19. If an ENUM column is declared NOT NULL, its default value is the first element of the list of allowed values.
20. A view is nothing but a _____________ table or a stored query.

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