MANAGING DATABASES WITH ORACLE QUIZ

False

True

DESCRIBE STRUCTURE [TableName].

DESCRIBE [TableName].

DESC TABLE [TableName].

STRUCTURE [TableName].

You can drop a column at any time.

You cannot increase or decrease the number of decimal places.

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

True

False

True

False

False

True

A period ( . ) followed by [Enter].

A semicolon ( ; ) followed by [Enter].

A left slash ( ) followed by [Enter].

A colon ( : ) followed by [Enter].

True

False

False

True

If there are no syntax errors, you will receive the message "NO ERRORS."

SQL*Plus will automatically show the errors to you.

To see the errors, enter SHOW ERRORS in SQL*Plus.

The line numbers reported match the line numbers you see in your text editor.