Managing Databases with Oracle
After a table has been created, its structure can be modified using the SQL command:

UPDATE TABLE [TableName].
MODIFY TABLE [TableName].
ALTER TABLE [TableName].
CHANGE TABLE [TableName].

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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."
SQL*Plus will automatically show the errors to you.
The line numbers reported match the line numbers you see in your text editor.
To see the errors, enter SHOW ERRORS in SQL*Plus.

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