【单选题】Your developers have created table to store some of their program's data. After examining the slow Query Log, you see that they are using the LIKE operator and SUBSTER ( ) functions against a VARCHAR ...
A.
Convert the column to TEXT and add a fulltext index to the table
B.
Create multiple prefix indexes of differing lengths
C.
Convert their column to BINARY
D.
Redesign the table so that the most commonly searched for string patterns are in their own columns
【简答题】What can you do if you “lose' ’ the data from your disks? To find an expert, who can recover The 1 information for you, is probably the easiest solution. Jack Olson is one of these experts. Jack and a...
【单选题】You are working in an online transaction processing (OLTP) environment. You used the FLASHBACK TABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the System...
A.
use the ROLLBACK command with SCN 663571
B.
perform Flashback Transaction Query with SCN 663571
C.
execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571
D.
execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571
【单选题】You are the network administrator for You administare a Windows Server 2003 computer named TestKing12. TestKing12 has a single disk. The disk is configured so that it has four primary partitions, whi...
A.
Convert all existing partitions to NTFS.
B.
Using Diskpart.exe, run the create command.
C.
Convert the disk to a dynamic disk, and create a new volume.
【简答题】Consider the following data for a one-factor economy. All portfolios are well diversified. Portfolio E ( r ) Beta A 12% 1.2 F 6% 0 Suppose that another portfolio, portfolio E, is well diversified with...
【单选题】The following steps are the process of academic paper writing. The correct order should be _______. 1- Data collection and organization: to collect information in various forms—data, statistics, quota...
【简答题】Nowadays , incoming generations really r ely now on the power of the “Internet” when it comes to searching for information. Just type the word or phrase you’re looking for and click, there goes your a...
【判断题】After collecting and analyzing data, a researcher must draw inferences. Only through interpretation can a researcher expose relations and processes underlying his/her findings. In doing so, what quest...