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oracle 10g如何关闭和打开自动收集统计信息? oracle 收集类型 引用
oracle 统计查询 select nvl(c.year,'总计')year,sum(decode(c.type,'类型A',c.cnt,0))类型A,sum(decode(c.type,'类型B',c.cnt,0))类型B,sum(de...
oracle 统计查询 select nvl(c.year,'总计')year,sum(decode(c.type,'类型A',c.cnt,0))类型A,sum(decode(c.type,'类型B',c.cnt,0))类型B,sum(de...