On your Oracle 12c database, you Issue the following commands to create indexes SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id) INVISIBLE; SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customers_id, sales_rep_id); Which two statement are correct?()
You upgraded your database from pre-12c to a multitenant container database (CDB) containing pluggable databases (PDBs). Examine the query and its output: Which two tasks must you perform to add users with SYSBACKUP, SYSDG, and SYSKM privilege to the password file?()
Which statement is FALSE regarding WebLogic Server 12c?()
If a=3b=2c, then 6a is equal to which of the following expressions?
Ⅰ. 12c
Ⅱ. 6b+8c
Ⅲ. 2b+10c
WebLogic 12c, the Maven plug-in has been enhanced with which Maven goal?()
In WebLogic 10.3.6 and WebLogic 12c on ExaLogic, performance of JMS is further improved through ().
To use Active Cache features in WebLogic 12C, which three libraries are needed from the WebLogic Server installation to be deployed in WebLogic Server?()
You find this query being used in your Oracle 12c database: Which method a used by the optimizer to limit the rows being returned?()
In WebLogic 10.3.6 and 12c, transaction logs can optionally write to a JDBC store instead of a file store on the file system. Identify the three benefits as a result of this capability.()
一只x切型的石英晶体压电元件,其d 11=2.31×10 12C/N,相对介电常数ε r=4.5,横截面积A=5cm 2,厚度h=0.5cm。求: (1)纵向受F X=9.8N的压力作用时压电片两电极间输出电压值为多大? (2)若此元件与高输入阻抗运放连接时连接电缆的电容为C 0=4PF,该压电元件的输出电压值为多大?