Managing Databases with Oracle
Which of the following is not true of SQL views?

Oracle views are created using the standard SQL-92 CREATE VIEW command.
Oracle views can by queried.
The SQL-92 standard does not allow the use of the ORDER BY clause in view definitions.
Oracle views cannot use the ORDER BY clause in view definitions.

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Managing Databases with Oracle
In creating a procedure, you may get a message if you have compile errors. Which of the following is true?

If there are no syntax errors, you will receive the message "NO ERRORS."
To see the errors, enter SHOW ERRORS in SQL*Plus.
SQL*Plus will automatically show the errors to you.
The line numbers reported match the line numbers you see in your text editor.

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Managing Databases with Oracle
Which of the following is not true about modifying table columns?

You can drop a column at any time.
You can add a column at any time as long as it is a NULL column.
You can increase the number of characters in character columns or the number of digits in numeric columns
You cannot increase or decrease the number of decimal places.

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