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Introduction to SQL

Introduction to SQL
Which of the following must be enclosed in double quotes?

All of these
Strings
Column Alias
Dates

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Introduction to SQL
Which of the following group functions ignore NULL values?

All of these
SUM
COUNT
MAX

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Introduction to SQL
Let the statementSELECT column1 FROM myTable;return 10 rows. The statementSELECT ALL column1 FROM myTable;will return

more than 10 rows
None of these
exactly 10 rows
less than 10 rows

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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
What is the full form of SQL?

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

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Introduction to SQL
Which of the following command makes the updates performed by the transaction permanent in the database?

COMMIT
ROLLBACK
DELETE
TRUNCATE

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