云中客

摘要： 1，清除缓存alter system flush buffer_cache/ALTER SYSTEM FLUSH SHARED_POOL--buffer_cache　数据緩存--SHARED_POOL　共享池内存执行过的Sql查询select * from (select substr(sql_text,1,4000) "stmt", count(*),sum(sharable_mem) mem,min(module) dear,max(module) from v$sql where 1=1group by substr(sql_text,1,4000)order by 阅读全文

摘要： 使用前提条件：1，电脑安装水晶报表2，工程引用水晶报表相关的DLL全局变量声明1 public CrystalDecisions.CrystalReports.Engine.ReportDocument reportDocument1 = null;2 public CrystalDecisions.Shared.ExportOptions exportOpts = null;3 public CrystalDecisions.Shared.PdfRtfWordFormatOptions pdfRtfWordFormatOptions = null;4 public CrystalDecisi 阅读全文