1943年,几乎同时升起了两颗代表着新文学发展新趋势的明星:一是沦陷区上海的张爱玲;一是解放区延安的()。
若在周转时间50分钟内发出运行车辆台数13辆,请你根据计算结果调整行车间隔值,编制行车计划。(要求有计算过程)
Your are the DBA supporting an Oracle 11g Release 2 database and wish to move a table containing several DATE, CHAR, VARCHAR2, and NUMBER data types, and the table’s indexes, to another tablespace. The table does not have a primary key and is used by an OLTP application. Which technique will move the table and indexes while maintaining the highest level of availability to the application?() Oracle Data Pump.。 An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD to move the indexes.。 An ALTER TABLE MOVE to move the table and ALTER INDEX REBUILD ONLINE to move the indexes.。 Online Table Redefinition.。 Edition-Based Table Redefinition.。
Your database is running on the automatic Program Global Area (PGA) memory management and Shared Memory Management mode. You want to increase the memory available for the SQL work areas. What would you do?() modify the HASH_AREA_SIZE initialization parameter。 modify the PGA_AGGREGATE_TARGET initialization parameter。 modify the WORK_AREASIZE_POLICY initialization parameter。 increase the value of the SGA_TARGET initialization parameter。 increase the value of the SGA_MAX_SIZE initialization parameter。 increase the value of the SORT_AREA_SIZE initialization parameter。
电动机容量在()KW以上时,应装指示电流表。 20。 40。 10。
Which built-in returns a BOOLEAN value that indicated whether an objects internal ID is available?()