sql学习笔记(乘除法、查询结果分别显示即case和union函数用法)
摘要:        
sql乘除法: SELECT c.description AS crewname , wo.worktype AS worktype , conn.con AS con, conwc.conw AS conwc, cast(ROUND(COALESCE(cast(conwc.conw as deci    阅读全文
		
		posted @ 2017-02-04 14:52 binTke 阅读(593) 评论(0) 推荐(0)
                    
                
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