植物浇水的质量要求
A client has requested an IBM System x solution. Pricing is the most sensitive decision factor. They are looking for 12 TB of storage， with a projected growth of 10-15%. As this is the only server accessing this amount of data， the customer does not require a SAN. What should the System x Sales Specialist recommend？（） A DS3000 iSCSI-based solution.。 One MegaRAID 8480 card with 4 EXP3000 units.。 An N3700 network attached solution.。 A DS6000 Fibre Channel solution with EXP710 expansion units.。
Examine the SQL statements that creates ORDERS table: CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL STATUS VARCHARD2(10) CHECK (status IN ('CREDIT','CASH')), PROD_ID_NUMBER REFERENCES PRODUCTS(PRODUCT_ID), ORD_TOTAL NUMBER, PRIMARY KEY (order id, order date)); For which columns would an index be automatically created when you execute the aboveSQL statement? （） SER_NO。 ORDER_ID。 STATUS。 PROD_ID。 ORD_TOTAL。 Composite index on ORDER_ID and ORDER_DATE。
You have created a locally managed tablespace by issuing the following command： CREATE TABLESPACE data1 DATAFILE ’data1_file1.dbf’ SIZE 10M AUTOEXTEND ON MAXSIZE UNLIMITED； For the DATA1 tablespace， you have set the warning level alert limit to 70 percent. In which situation will a warning level alert be generated？（） when 700 KB is used。 when 700 KB is left as free space。 when 7MB is used。 when 7MB is left as free space。 no alert will be generated because an autoextensible datafile is included in the tablespace。
货架沿立体仓库的宽度方向分成若干排，每两排为一组，中间是巷道，由巷道起重机进行商品的存取。具有这种特点的立体仓库是（） 单元货格式立体仓库。 贯通式立体仓库。 垂直循环式立体仓库。 水平循环式立体仓库。
You work as a database administrator for Supportcenter.cn. You find that users with DBA role are using more CPU resources than what is allocated in their profiles. Which action would you take to ensure that resources limits are imposed on these users？（）
