1.Oracle 11g R2安装手册(图文教程)For Windows 1.下载Oracle 11g R2 for Windows版本,下载地址如下官方网站:http://download.oracle.com/otn/nt/oracle11g/112010/win32_11gR2_database_1of2.ziphttp://download.oracle.com/otn/nt/oracle11g/112010/win32_11gR2_database_2of2.zip 2.解压两个压缩包
Teradata数据库中也有和oracle类似的分析函数,功能基本一样.示例如下: RANK() 函数 SELECT * FROM salestbl ORDER BY 1,2; storeid prodid sales----------- ------- ---------1001 A 100000.00 1001 C 60000.00 1001 D 35000.00 1001 F 150000.00 1002 A 40000.00 1002 C 35000.00 1002 D 25000
REPEATABLE READ This is the default isolation level for InnoDB. For consistent reads, there is an important difference from the READ COMMITTED isolation level: All consistent reads within the same transaction read the snapshot established by the firs