Question

true or false?
1. A query normally consists of an SQL statement followed by a semicolon
2. The AUTO_INCREMENT attribute can be used to generate a unique identity for new rows
3. Keywords may be entered in any letter case.
4. Records in View are not stored explicitly computed as needed.
5. Primary keys can never be null and should never be changed.
6. Any value present as a foreign key must also be present as a primary key.
7. Every attribute within a tuple must be single-valued
8. Every tuple must be unique
9. Choosing primary keys is a crurical task in database design
10. SQL: A nonprocedural language
11. Workbench doesn't support dump table data and structure .
12. Standard SQL disallows references to column aliases in a clause.
13. Null is the absence of a value
14. An expression can be null, but it can never equal null
15. Two nulls are never equal to each others.
16. A UNIQUE index permits multiple NULL values
17. Keywords are also reserved words
18. In general advanced users care about RAW data.
19. Using = any is equivalent to using the in operator.
20. Databases store user data, and they also store information about the database itself.
21. ODBC is a standardized API that enables connections to SQL database servers.
22. MySQL can be compiled for encrypted-connection
23. A stored procedure can call another procedure.
24. A Temporary table whose data does not need to be truly permanent.
25. A TEMPORARY table is visible only within the current session.
26. Distinct is not a function that applies only to some columns

Answer 1

ALL. STATEMENT ARE TRUE

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