You want the user APP_DBA to administer the Oracle database from a remote machine. APP_DBA is granted the SYSDBA privilege to perform administrative tasks on the database. Which file is used by the Oracle database server to authenticate APP_DBA?() control file。 password file。 listener controller file。 control file and password file。
异步电动机软启动器主要用于()。 异步电动机调速控制。 异步电动机调压调速控制。 异步电动机变频调速控制。 异步电动机启动控制。
What is the result?() Compilation fails.。 An exception is thrown at runtime.。 The code executes normally and prints "foo";。 The code executes normally, but nothing is printed.。
关于物流中心与配送中心的区别,下列正确的是() 物流中心功能较为全面。 配送中心规模一般较大。 配送中心服务于少量供应商。 物流中心通常提供第三方物流服务。
A database user SMITH tries to query the V$SESSION view and fails to access it as follows: SQL> connect smith/smith Connected. SQL> SELECT * FROM v$session; SELECT * FROM v$session * ERROR at line 1: ORA-00942: table or view does not exist Which are the two possible solutions to enable SMITH to query the data in V$SESSION() granting SELECT privilege to SMITH on V$SESSION。 granting SELECT privilege to SMITH on V_$SESSION。 asking the user SMITH to run the catalog.sql script。 granting SELECT privilege to SMITH on V$FIXED_TABLES。 setting the O7_DICTIONARY_ACCESSIBILITY parameter to TRUE。 creating a view based on V$SESSION and granting SELECT privilege to SMITH on the view that was created。
下列工程中,属于分部工程的是()。