Exam 6: Introduction to SQL

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The HAVING clause and the WHERE clause perform the same operation.

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False

To eliminate duplicate rows in a query,the ________ qualifier is used in the SQL Select command.

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A catalog is the structure that contains object descriptions created by a user.

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A ________ view is materialized when referenced.

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What steps should be followed when preparing to create a table?

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What result set will the following query return? Select item_no From order_v Where quantity > 10;

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Indexes are created in most RDBMSs to:

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The DROP command deletes rows from a table individually or in groups.

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Some DBMS can handle graphic data types,as well as text and numbers.

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A database is maintained and queried using the data mapping language (DML).

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Applications can be moved from one machine to another when each machine uses SQL.

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What will be returned when the following SQL statement is executed? Select driver_no,count(*)as num_deliveries From deliveries Group by driver_no;

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The benefits of a standardized relational language include:

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The ALTER TABLE command is used to change a table definition.

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Explain the three classes of SQL commands and when they would be used.

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Which of the following finds all groups meeting stated conditions?

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What three clauses are contained in most SQL retrieval statements?

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The content of dynamic views is generated when they are referenced.

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What is a materialized view and when would it be used?

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Which of the following is true of the order in which SQL statements are evaluated?

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