FIND CORRECT SPELLING QUIZ

Offline ReDo file

Datafile

OnLine ReDo file

Control file

False

True

is a value that is incremented whenever database changes are made.

is a value that keeps track of explicit locks.

is a value that is incremented whenever a dirty read occurs.

is incremented whenever a deadlock occurs.

are case sensitive.

are case insensitive.

must always be in upper case.

must always be in lower case.

A period ( . ) followed by [Enter].

A colon ( : ) followed by [Enter].

A semicolon ( ; ) followed by [Enter].

A left slash ( ) followed by [Enter].

Application failure

Instance Failure

Media Failure

Rollback failure

You can drop a column at any time.

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.

You can add a column at any time as long as it is a NULL column.

True

False

Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes.

Indexes are created to enable fast retrieval by column values.

Indexes are created with the ALTER TABLE command.

Indexes are created to enforce uniqueness on columns.

SQL*Plus will automatically show the errors to you.

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

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

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