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Introduction to SQL

Introduction to SQL
ON UPDATE CASCADE ensures which of the following?

All of these
Data Integrity
Materialized Views
Normalization

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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

10
5
0
9

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

COLLAPSE
DELETE
ALTER
REMOVE

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

ROLLBACK
TRUNCATE
COMMIT
DELETE

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

CHANGE TABLE
ALTER TABLE
MODIFY TABLE
All of these

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Introduction to SQL
Which SQL keyword is used to retrieve a maximum value?

MAX
UPPER
TOP
MOST

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