1Z0-042不定項(xiàng)選擇每日一練(2020.03.29)

You work as a database administrator for Certkiller .com. As a result of performance analysis， you created an index on theprod_namecolumn of the 
Certkiller prodtable， which contains about ten thousand rows. Later， you updated a product name in the table. 
How does this change affect the index？（）

You work as a database administrator for Certkiller .com. While setting up the database for your production environment， you want to create a user according to the requirements in the exhibit. 
Which three options of the CREATE USER command would you use to achieve this objective？（）

In your database， the users SYS and SYSTEM have been assigned the profiles， ADMIN_PROF1 and ADMIN_PROF2， respectively. The rest of the database administrators are assigned the profile ADMIN_PROF3. 
You create a profile， USER_PROF， and assign it to the application user， Adams. After a week you realize that the profile is no longer required and you decide to drop it. 
What will Adam’s profile be after the USER_PROF profile has been dropped？（）