Given that the current directory is empty， and that the user has read and write permissions， and the following： Which statement is true？（） Compilation fails.。 The file system has a new empty directory named dir.。 The file system has a new empty directory named newDir.。 The file system has a directory named dir， containing a file f1.txt.。 The file system has a directory named newDir， containing a file f1.txt.。
在制定行车计划是，若要求在一小时内发出10个车次，投入9辆车，车辆的周转时间均为50分钟，则平均行车间隔为（）分钟； 6。 6.7。 5.6。 5。
缺陷的含义
You have three temporary tablespace groups named G1， G2， and G3 in your database. You are creating a new temporary tablespace as follows： CREATE TEMPORARY TABLESPACE TEMP1 TEMPFILE ’/u1/data/temp1.dbf’ SIZE 10M TABLESPACE GROUP ； Which statement regarding the above command is correct？（） It will create the tablespace TEMP1 in group G1.。 It will create the tablespace TEMP1 in group G3.。 It will not add the tablespace TEMP1 to any group.。 It will create the tablespace TEMP1 in the default group.。
庭荫树在应用时应注意：
Which two PL/SQL8 features are supported in Oracle Forms?（）
