Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password

Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Question

You can use the ___ command to change rows on which a specific condition is true.
click to flip
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know

Question

During your current work session, you can ___ (save) your changes immediately by executing the ___ command.
Remaining cards (10)
Know
0:04
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

SQL Ch5 Review

QuestionAnswer
You can use the ___ command to change rows on which a specific condition is true. UPDATE
During your current work session, you can ___ (save) your changes immediately by executing the ___ command. commit, COMMIT
If you decide that you don't want to save the change you have made during your current work session, you can ____ (reverse) the change by executing the ___ command. roll back, ROLLBACK
The ROLLBACK command reverses only changes made to the data; it does not reverse the changes made to a _____ ____. table's structure
A ___ is a logical unit of work. transaction
A ____ can be viewed as a sequence of steps that accomplishes a single task. transaction
You can use the ___ command to remove rows from a table. DELETE
You can change a table's structure by using the __ ___ command. ALTER TABLE
To add a new column, use the ___ clause of the ALTER TABLE command. ADD
8.You can change the characteristics of existing columns by using the ___ clause of the ALTER TABLE command. MODIFY
You can use the ____ clause of the ALTER TABLE command to change a column that currently rejects nulls values so that it will accept null values. MODIFY
Created by: kat1350
Popular Computers sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards