Examine the following command： SQL> ALTER TABLE booking SHRINK SPACE COMPACT； Which activity is performed when the preceding command is executed？（） The shrink operation touches every block in the BOOKING table。 The high-water mark （HWM） for the BOOKING table is shifted from its original position。 The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table。 The data manipulation language （DML） triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operatio。
瓶装毒性气体危险特性警示标志底色是（）色。 黄。 红。 绿。 白。
Which three statements are true regarding the use of the Database Migration Assistant for Unicode(DMU)?（） A DBA can check specific tables with the DMU。 The database to be migrated must be opened read-only.。 The release of the database to be converted can be any release since 9.2.0.8.。 The DMU can report columns that are too long in the converted characterset.。 The DMU can report columns that are not represented in the converted characterset.。
What are the two proper locations of deployment descriptors files inside of archives deployed to WebLogic?（） the WEB-INF subdirectory for a WAR file。 the META-INF subdirectory for an EAR file, or EJB-JAR。 the DD-INF subdirectory。 the root of archive。 any searchable locatio。
在选择车辆调度形式的时，若采用区间车调度形式，则需要满足条件――路段客流差大于等于（）倍的计划车载客定额； 2。 2~4。 1.2~1.5。 1.5。
You have set the value of the NLS_TIMESTAMP_TZ_FORMAT parameter in the parameter file to YYYY-MM-DD. The default format of which two data types would be affected by this setting？ （）
