In your datawarehousing application， you generate reports frequently. The data is static in the tables being used to generate reports. You are currently using joins， resulting in a large performance overhead. What kind of database structure would you use to reduce the response time of the query？（）

While designing the database for one of your online transaction processing （OLTP） applications， you want to achieve the following： 
a） high availability of data 
b） faster primary key access to the table data 
c） compact storage for the table 
Which type of tables would you use to achieve these objectives？（）

View the Exhibit and examine the properties of the USERS tablespace. 
You execute the following statement to shrink the TRANS table existing on the USERS tablespace： 
SQL> ALTER TABLE trans SHRINK SPACE CASCADE; 
Which objects would be affected by this command？ （）