You need to ensure that the Cust_CalcData column is implemented appropriately. What should you do?（） Specify that the Cust_CalcData column must be implemented as a computed column of the table. 。 Specify that the Cust_CalcData column must be indexed using a non-clustered index.。 Specify that the Cust_CalcData column must be implemented as a column that uses a user-defined data type.。 Specify that the Cust_CalcData column must be updated by a SQL Server Agent job that runs nightly.。
120―1型控制阀主阀安装面局减室排气限制孔为（）。 φ1.2mm。 φ1.0mm。 φo.8mm。 φ0.5mm。
Which of the following will permit an operator to retrieve console log output from the command line?（） lscons -l。 cat /var/conslog。 alog -t console -o。 lslog /var/adm/conslog。
Which statements are true about checkpointing（） The checkpoint frequency decreases with the smaller redo log file size.。 It ensures that all committed data is written to the data files during normal shutdown.。 The frequent full checkpoint in a database can cause the overall degradation of the database performance.。 It prompts the Checkpoint （CKPT） process to write data to the data files and redo information to the onlineredo log file。
多介质过滤器反洗时应启动（） 冲洗泵。 原水泵。 反洗水泵。 脱盐水泵。
An installed customer has developed human resource constraints in the IT department. Which of the following allows the sales professional to proceed with future sales？（）
