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Introduction to SQL

Introduction to SQL
What is the full form of SQL?

Structured Query Language
Simple Query Language
Structured Query List
None of these

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Introduction to SQL
Which of the following is valid SQL for an Index?

ADD INDEX ID;
CHANGE INDEX ID;
CREATE INDEX ID;
REMOVE INDEX ID;

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Introduction to SQL
The command to remove rows from a table 'CUSTOMER' is:

UPDATE FROM CUSTOMER ...
REMOVE FROM CUSTOMER ...
DELETE FROM CUSTOMER WHERE ...
DROP FROM CUSTOMER ...

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Introduction to SQL
The qualifier DISTINCT must be used in an SQL statement when we want to eliminate duplicate rows.

False
True

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Introduction to SQL
Which of the SQL statements is correct?

SELECT Username AND Password FROM Users
SELECT Username, Password FROM Users
None of these
SELECT Username, Password WHERE Username = 'user1'

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Introduction to SQL
Which of the following are the five built-in functions provided by SQL?

SUM, AVG, MIN, MAX, NAME
COUNT, SUM, AVG, MAX, MIN
SUM, AVG, MIN, MAX, MULT
SUM, AVG, MULT, DIV, MIN

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