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Introduction to SQL

Introduction to SQL
Which SQL statement is used to delete data FROM a database?

COLLAPSE
REMOVE
ALTER
DELETE

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Introduction to SQL
Which operator performs pattern matching?

None of these
LIKE operator
BETWEEN operator
EXISTS operator

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Introduction to SQL
The FROM SQL clause is used to...

specify range for search condition
None of these
specify search condition
specify what table we are selecting or deleting data FROM

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Introduction to SQL
Which of the following SQL commands can be used to add data to a database table?

APPEND
ADD
INSERT
UPDATE

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Introduction to SQL
The result of a SQL SELECT statement is a(n) ________ .

file
form
table
report

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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 > ALL (SELECT SALARY FROM EMPLOYEE);prints

5
9
10
0

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