【简答题】查找客户姓名及其所订购的商品编号和数量。正确的SELECT语句是( )。A. SELECT KHB.客户姓名, SPDGB.商品编号, SPDGB.数量 FROM KHB WHERE KHB.客户编号=SPDGB.客户编号 B. SELECT KHB.客户姓名, SPDGB.商品编号, SPDGB.数量 FROM SPDGB WHERE KHB.客户编号=SPDGB.客户编号 C. SELEC...
【判断题】Besides providing assistance, protection and advocacy for registered Palestine refugees in Lebanon, UNRWA was also their largest employer in 2006.
【单选题】Besides providing assistance, protection and advocacy for registered Palestine refugees in Lebanon, UNRWA was also their largest employer in 2006.