SQL NULL
What is NULL? NULL represents the absence of a value. Technically it is not a value in itself. However we often use the phrase "NULL value".But then we also use database ...
查询基表的相关视图
select tabschema,tabname,dtype,bschema,bname,btype from SYSCAT.TABDEP where bschema ='BASE_SCHEMA' AND bname='BASE_TB_NAME'
DB2数据的导入(Import) 导出(Export)(Load)
DB2中所谓的数据移动,包括: 1. 数据的导入(Import) 2. 数据的导出(Export) 3. 数据的装入(Load) 导入和装入都是利用DB2的相关命令把某种格式的文件中的数据保存到数据库中的表中 导出是指把DB2数据库的表中...
db2 常用命令
db2常用命令大全 db2跟Oracle相比一些命令有很大的区别,而它最大的功能是支持xml存储、检索机制,通过XPath进行解析操作,使开发人员免于对xml文件在应用进行解析处理,先对其常用命令进行一...
DB2 License expired
<Apply new licensedb2licm -a C:\db2ese_c.liclook up the license statusdb2licm -l...
DB2 export and import
db2导出与导入说明Export导出过程db2 ? exportEXPORT TO filename OF {IXF | DEL | WSF}[LOBS TO lob-path [ {,lob-path} ... ] ][LOBFILE lob-file [ {,lob-file} ... ] [MODIFIED BY {filetype-mod ...}][METHOD ...
DB2 删除重复记录
1、查找表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断 select * from people where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1) 2、删除表中多余...
快速清空DB2表记录
alter table tabname activate not logged initially with empty table如果要清空部分表内容,下面两句要一起执行alter table tabname activate not logged initially delete from tabname where id >10...
Hyperion usage query
339sselect BRIOAUD.V8_Usage_Event_Type.Name,BRIODB.V8_Subject.Name,V8_Usage_Event.STARTTIME,BRIOAUD.V8_Usage_Event.FINISHTIME,BRIODB.V8_Container.NAME,(SELECT C.VALUE FROMBRIOAUD.V8_Domain_Props C WHE...
DB2 730
MQT DB2物化查询表 这种物化查询表中的数据是由用户维护的。只有 REFRESH DEFERRED 物化查询表可以定义为 MAINTAINED BY USER。不能对用户维护的 MQT 发出 REFRESH TABLE 语句(用于系统维护的 MQT)。但是,...
20091230
db2 connect to brio8rep user zhaocong using lily0906 db2set db2set db2codepage=1208