Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES,DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eliminate the need to qualify the view with the name MARY .EMP_DEP_LOC_VU each time the view is referenced? () Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.。 Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.。 Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.。 Scott cannot create a synonym because synonyms can be created only for tables.。 Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.。
某公寓楼工程,地下1层,地上l0层,建筑面积l.5万ITI!,建筑檐高34.5m。施工单位进场后项目经理组织编制了施工组织设计,并按规划的总平面图要求进行了施工和各种设施的布置,之后开始了结构施工,在结构施工期间,政府监督部门对工程进行例行检查,检查过程中发现:
事件一:在施工现场,有一名电工正在进行配电柜的配件更换工作,电工资料检查时,发现部分资料缺失或记录不完整。
事件二:在楼层内设置了直径为70ram消防竖管,为每个楼层提供临时用水,由于消防泵的位置距离塔吊比较近,因此电工在塔吊原开关柜中增加了控制开关,作为消防泵的接入电源。临时用电安全技术档案应包括哪些内容?
Evaluate the following block of code: BEGIN DBMS_NETWORK_ACL_ADMIN.CREATE_ACL ( acl => ’mycompany-com-permissions.xml’, principal => ’ACCT_MGR’, is_grant => TRUE, privilege => ’connect’); DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL ( acl => ’mycompany-com-permissions.xml’, host => ’*.mycompany.com’); END; What is the outcome of the above code?() It produces an error because a fully qualified host name needs to be specified.。 It produces an error because the range of ports associated with the hosts has not been specified.。 It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT and RESOLVE privileges.。 It creates an access control list (ACL) with the user ACCT_MGR who gets the CONNECT privilege but not the RESOLVE privilege.。
You perform a backup using the following BACKUP command: RMAN> BACKUP AS COMPRESSED BACKUPSET DATABASE; Which statement is true of this command?() A different procedure is required to restore a database from compressed backups。 The AS COMPRESSED clause of the BACKUP command provided by RMAN is used to create compressed backup sets and image copies.。 Using this command to create backups minimizes the bandwidth consumed。 Using this command to create backups improves the performance of the backup proce。
《工程建设强制性条文》(水利工程部分)规定,浆砌石施工,在胶结料初凝前,允许一次连续(),应严格执行上下错缝、铺浆及填浆饱满密实的规定,防止铺浆遗漏或插捣不严。 砌筑一层石块。 砌筑两层石块。 砌筑三层石块。 砌筑20米石块。
A medical customer has a rack with four BladeCenter H chassis that have been operating normally for several months. After installing a new rack of servers in the data center, the system administrator notices the blowers in the BladeCenters have increased their speed. Which of the following caused this problem? ()