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Introduction to SQL

Introduction to SQL
To sort the results of a query use:

ORDER BY.
SORT BY.
GROUP BY.
None of these

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Introduction to SQL
SQL provides five built-in functions: COUNT, SUM, AVG, MAX, MIN.

True
False

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Introduction to SQL
The SELECT command, with its various clauses, allows users to query the data contained in the tables and ask many different questions or ad hoc queries.

True
False

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Introduction to SQL
The command to eliminate a table from a database is:

REMOVE TABLE CUSTOMER;
DELETE TABLE CUSTOMER;
UPDATE TABLE CUSTOMER;
DROP TABLE CUSTOMER;

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Introduction to SQL
In SQL, which command(s) is(are) used to change a table's storage characteristics?

MODIFY TABLE
All of these
CHANGE TABLE
ALTER TABLE

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Introduction to SQL
Table Employee has 10 records. It has a non-NULL SALARY column which is also UNIQUE.The SQL statementSELECT COUNT(*) FROM Employee WHERE SALARY > ANY (SELECT SALARY FROM EMPLOYEE);prints

9
5
10
0

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