Which step do you need to perform to enable a user with the SYSDBA privilege to log in as SYSDBA in iSQL*Plus？（） The user must be granted the database administrator （DBA） privilege.。 The user must be listed in the password file for the authentication.。 No special setup is needed for the user to connect as SYSDBA in iSQL*Plus.。 Set up a user in the Oracle Application Server Containers for J2EE （OC4J） user manager，and grant the webDba role to the user.。
水利工程按工程性质划分为两类，一类是枢纽工程，包括（）、水电站和其他大型独立建筑物 水库。 供水工程。 河道工程。 堤防工程。
Given： What is the result？（） 1。 12。 14。 123。
女性患者，因患胰腺癌入院，经中心静脉导管接受胃肠外营养支持，护士的导管护理措施中正确的是（） 每周一次消毒穿刺部位。 可经中心静脉途径给予抗生素。 可经中心静脉途径输血。 可经中心静脉导管抽血。 输液结束后要用肝素稀释液封管。
You have created an Oracle 10g database named SALES， which will be used by an application named SalesOrders. Users of the SalesOrders application complain that application response time is slow when they generate reports. The SalesOrders application accesses a table that contains 10 million rows. You decide to create an index on this table using the NOLOGGING option so that the index creation process is completed in the least amount of time. Which of the following is NOT true about an index created with the NOLOGGING option？（） The index can be changed from NOLOGGING to LOGGING。 The index cannot be recovered even in the ARCHIVELOG mode.。 The index can only be created if the base table is created with the NOLOGGING option.。 The index can be recovered if you perform a backup after the CREATE INDEX statement.。
引入一套IT服务预算和核算体系，下面哪一项将是最直接的好处（）
