大数据
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Installing The Oracle BI Mobile App Designer
by Shiva Molabanti Prerequisites: OBIEE 11.1.1.7.1 (If your version of Oracle BI EE is not 11.1.1.7.1, download Patch 16556157: OBIEE BUNDLE PATCH 11.1.1.7.1 from My Oracle Support). To support Oracl…
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What Exactly is Business Intelligence?
In the past when automation and digitization were still unknown, who would have ever thought of smart machines, intelligent companies and business intelligence? Business decisions were then mostly ba…
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sqlserver_delete from from inner join_通过表关联查询删除
直接上SQL语句: DELETE FROM TJ_TB_Order FROM dbo.TJ_TB_Order O INNER JOIN (SELECT * FROM ( SELECT OriginID,OriginSiteID,COUNT(1) c,MAX(ID) ID FROM TJ_TB_Order GROUP BY OriginID,OriginSiteID ) A WHE…
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SQLServer第四章:多表查询
多表查询是SQL数据库里的高级查询语句。 创建3个数据库,做演示。 create database NetBarDB --创建数据库create database 数据库名 go --批处理(数据库无法自动运行下一句代码,需要加go来继续代码的运行) use Net…
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SqlServer对表的基本操作
SqlServer对表的基本操作 手动建库建表 脚本建库建表 SQL Server关系数据库的数据表结构主要是由记录(行)和字段(列)构成,每一行代表唯一的一条记录(Record),而每列则代表所有记录中的一个域(Field)…
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使用Docker-compose安装mysql5.7
1.首先选择一个目录用来存放docker-compse文件以及mysql的数据(例如logs、conf) cd /home mkdir mysql vi docker-compse.yml 2.填写docker-compse.yml内容 version : '3' services: mysql: # 容器名(以后的…
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达梦数据库日志管理
数据库的日志管理 联机日志管理 查看联机日志 SQL> select * from v$RLOGFILE; 行号 GROUP_ID FILE_ID PATH CLIENT_PATH CREATE_TIME RLOG_SIZE MIN_EXEC_VER MIN_DCT_VER ---------- ----------- ----------- -…
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MySQL 开发手册规约
一:建表规约 1、表达是与否的字段,必须使用is_xxx的方式命名,数据类型是unsigned tinyint(1表示是,0表示否) 注意:POJO类中的任何布尔类型的变量,都不要加is前缀,需要在<resultMap>设置is_xxx到XX…
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How To Merge My Old BI Environment With My New Oracle BI Apps Environment
by Ravi Hoskote How can I create and maintain a single environment for existing BI content and new Oracle BI Apps content? The popularity of the Oracle BI Applications (OBIA) is growing, thanks to th…
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What Exactly is Business Intelligence?
In the past when automation and digitization were still unknown, who would have ever thought of smart machines, intelligent companies and business intelligence? Business decisions were then mostly ba…