You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?()
Which two statements are true of the forwarding table?()
Examine the following command: SQL> ALTER TABLE booking SHRINK SPACE COMPACT; Which activity is performed when the preceding command is executed?()
Which statement is true about a routing table?()
The EMPLOYEES table contains these columns: EMPLOYEE_ID NUMBER(4) LAST_NAME VARCHAR2 (25) JOB_ID VARCHAR2(10) You want to search for strings that contain 'SA_' in the JOB_ID column. Which SQL statement do you use?()
You own a table called EMPLOYEES with this table structure: EMPLOYEE_ID NUMBER Primary Key FIRST_NAME VARCHAR2(25) LAST_NAME VARCHAR2(25) HIRE_DATE DATE What happens when you execute this DELETE statement? DELETE employees; ()
Your network includes the servers shown in the following table. Server n ame Operating s ystem Role s ervices S erver 1 Windows Server 2008 Standard TS Licensing S erver 2 Windows Server 2008Enterprise Terminal Server You install an additional server named Server3 that runs Windows Server 2008 R2 Enterprise. You add the Remote Desktop Services (RDS) role, and you configure the Remote Desktop Session Host (RD Session Host) role service. You need to ensure that RDS client access licenses (RDS CALs) can be assigned to each Remote Desktop user. What should you do?()
You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?()
A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the ALTER TABLEcommand with the ENABLE VALIDATE option to enable the constraint that was disabled. What are the twoeffects of this command()
You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?()