A small company has an IBM System x3105 file server. They are looking for an alternative for tape-based backup and disaster recovery for their 80 GB of data. The backup window is 1 to 2 hours using an incremental， 3-cartridge rotation with off-site storage. What solution fits best for this purpose？ （） DLTV4 internal drive。 GoVault backup drive。 LTO3 library using one drive。 LTO3 Autoloader using one 400 GB cartridge。
合同支付申报的基本条件（） A.合同文件规定应予以计量支付的 。 B.因工程变更导致费用增加的 。 C.当月完成或以前完成尚未支付结算的 。 D.有相应的开工许可和工程（工序）质量认证文件 。 E.有监理机构确认签证的合同索赔支付。
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 (10000) column quite often. An example of the start of one row of data: 'GREEN01020495888331993-12-10/2…' What should you do to improve the overall performance?（） Convert the column to TEXT and add a fulltext index to the table。 Create multiple prefix indexes of differing lengths。 Convert their column to BINARY。 Redesign the table so that the most commonly searched for string patterns are in their own colum。
You work as a database administrator for Supportcenter.cn. In your Oracle database 10g installation you have set ORACLE_BASE to /u01/app/oracle. Which objective will be achieved by this setting？（） The Oracle kernel will be placed in this location.。 The Oracle software will be placed in this location.。 The server parameter file （SPFILE） will be placed in this location.。 The database files will be placed in this location， if not specified explicitly.。 The location will be considered for the base of Oracle Managed Files （OMF）.。 The location will be considered for the base of Optimal Flexible Architecture （OFA）.。
儿童成就性动机主要激发的是（） 运动性游戏。 智力游戏。 合作性游戏。 象征性游戏。
Which command will enable RBAC on a server？（）
