Evaluatethefollowingcode:SQL>VARIABLEtask_nameVARCHAR2(255);SQL>VARIABLEsql_stmtVARCHAR2(4000);SQL>BEGIN:sql_stmt:=’SELECTCOUNT(*)FROMcustomersWHEREcust_state_province=’’CA’’’;:task_name:=’MY_QUICKTUNE_TASK’;DBMS_ADVISOR.QUICK_TUNE(DBMS_ADVISOR.SQLACCESS_ADVISOR,:task_name,:sql_stmt);END;Whatistheoutcomeofthisblockofcode?()
A.Itcreatesataskandworkload,andexecutesthetask.
B.Itcreatesataskandworkloadbutdoesnotexecutethetask.
C.Itproducesanerrorbecauseatemplatehasnotbeencreated.
D.ItproducesanerrorbecausetheSQLTuningSethasnotbeencreated.
第1题:
2、下面()表示黑色。
A.(127,127,127)
B.(255,255,255)
C.(0,0,0)
D.(0,255,0)
第2题:
要创建红色,应使用下面哪个()
A.RGB(0,255,0)
B.RGB(0,0,255)
C.RGB(0,255,255)
D.RGB(255,0,0)
第3题:
如果执行以下代码,会输出什么值: from traits.api import HasTraits, Color class Circle(HasTraits): color = Color c = Circle() c.color = 'blue' print(c.color.getRgb())
A.(255,0,0,255)
B.(0,255,0,255)
C.(0,0,255,255)
D.(255,255,255,255)
第4题:
5、下面的哪一种颜色表示最接近黑色?
A.t.colormode(255) t.fillcolor(0, 100, 100)
B.t.colormode(255) t.fillcolor(100, 100, 100)
C.t.colormode(255) t.fillcolor(200, 200, 200)
D.t.colormode(255) t.fillcolor(255, 255, 255)
第5题:
6、下面的颜色表示方法不正确的是()
A.#ff0ac410
B.#ff4411
C.rgba(255,100,100,0.5)
D.rgba(255,255,255,255)