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有效容积Vu（）为小炉型；Vu（）为中炉型；Vu（）为大炉型。
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更多 “有效容积Vu（）为小炉型；Vu（）为中炉型；Vu（）为大炉型。” 相关考题
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轴向压力N对构件抗剪承载力Vu的影响是（）A、不论N的大小，均可提高构件的VuB、不论N的大小，均会降低构件的VuC、N适当时提高构件的Vu，N太大时则降低构件的VuD、N大时提高构件的Vu，N小时降低构件的Vu
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轴向压力N对构件抗剪承载力Vu的影响是（）。A、不论N的大小，均可提高构件的抗剪承载力VuB、不论N的大小，均可降低构件的VuC、N适当时提高构件的Vu，N太大时降低构件的VuD、N大时提高构件的Vu，N小时候降低构件的Vu
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控制操作地面勤务汇流条的“MAINTBUS”电门位于（）A、驾驶舱49VU面板（头顶跳开关面板）B、驾驶舱20VU面板（头顶控制面板）C、驾驶舱120VU面板（后跳开关面板）D、前登机过道顶部的2000VU面板
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电源系统中，共有两台EGIU（Electrical Generation Interface Unit）它门被安装在（）A、驾驶舱120VU面板（后跳开关面板）B、电子设备舱90VU设备架上C、前登机过道顶部的2000VU面板上D、后登机过道顶部的2001VU面板上
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单选题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? （）A
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.B
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.C
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.D
Scott cannot create a synonym because synonyms can be created only for tables.E
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.
考题
单选题User Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She has the privilege to create a public synonym, and would like to create a synonym for this view that can be used by all users of the database.Which SQL statement can Mary use to accomplish that task?（）A
CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vuB
CREATE PUBLIC SYNONYM EDL:VU FOR mary (emp_dept_loc_vu);C
CREATE PUBLIC SYNONYM EDL_VU FOR emp _dept_loc_vu;D
CREATE SYNONYM EDL_VU ON emp_dept_loc_vu FOR EACH USER;E
CREATE SYNONYM EDL_VU FOR EACH USER ON emp_dept_loc_vuF
CREATE PUBLIC SYNONYM EDL_VU ON emp_dept_loc_vu FOR ALL USERS;
考题
单选题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?（）A
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.B
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.C
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.D
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.E
Scott cannot create a synonym because synonyms can be created only for tables.F
Scott cannot create any synonym for Mary’s view. Mary should create a private ynonym for the view and grant SELECT privilege on that synonym to Scott.
考题
单选题You need to perform certain data manipulation operations through a view called EMP_DEPT_VU, which you previously created. You want to look at the definition of the view (the SELECT statement on which the view was created.) How do you obtain the definition of the view?（）A
Use the DESCRIBE command on the EMP_DEPT_VU view.B
Use the DEFINE VIEW command on the EMP_DEPT_VU view.C
Use the DESCRIBE VIEW command on the EMP_DEPT_VU view.D
Query the USER_VIEWS data dictionary view to search for the EMP_DEPT_VU view.E
Query the USER_SOURCE data dictionary view to search for the EMP_DEPT_VU view.F
Query the USER_OBJECTS data dictionary view to search for the EMP_DEPT_VU view.
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