1.创建汇总表 create table MM as ( select xxx.col1,yyy.col2 from xxx,YYY where xxx.col1=yyy.col2 )data initially deferred refresh deferred; 2.刷新数据 refresh table MM; 3.把汇总表改成一般的表 alter table MM drop materialized
IN IN_TASK_ID char(2), IN IN_SUB_TASK_ID char(4), OUT OUT_SUCCESS_FLAG INTEGER ) DYNAMIC RESULT SETS 0 LANGUAGE C PARAMETER STYLE GENERAL WITH NULLS(如果不是这样,sql 的sp将不能调用该用c写的存储过程,产生保护性错误) NO DBINFO FENCED MODIFIES SQL DATA EXTERNAL NAME 'pr_clear...
You can populate a table with data by using theFM/Db2Create utility (3.8). You can specify the number of rows that are to be created and how each row is to be initialized. By editing a template, you can use fill characters and patterns to initialize the data and change the data creat...
ALTER TABLE B_NEWS ALTER DOC_ITEM_SOURCES SET DATA TYPE varchar(200); 4)、压缩表命令 su - db2inst db2 connect to media user db2admin using password reorg table B_NEWS; 5)、创建序列 CREATE SEQUENCE "SEQ_NEWS" AS INTEGERMINVALUE 1 MAXVALUE 999999999START WITH 1 INCREMENT BY 1CACHE 20 N...
DB2 LUW Store 源端的表已开启 Data Changes。 如果未开启 Data Changes,请执行下述语句进行开启。 alter table${table_name}data capture changes DB2 LUW 数据库已开启log_ddl_stmt。 如果未开启log_ddl_stmt,请执行下述语句进行开启。 db2 update db cfg using LOG_DDL_STMTS YES ...
--创建DMS(Database Managed Space)表空间 CREATE TABLESPACE tablespace_name MANAGED BY DATABASE USING FILE path size --创建自动存储表空间 CREATE TABLESPACE tablespace_name MANAGED BY AUTOMATIC STORAGE--可省略,默认值 --创建一个常规表空间 CREATE TABLESPACE tablespace_name PAGESIZE 4K MANAGED BY AUTOMATI...
create database db1; use db1; create table t(id int primary key, a int, b int, index(a))engine=innodb...database db2; create table db2.t like db1.t 假设,我们要把 db1.t 里面 a>900 的数据行导出来,插入到 db2.t 中。...mysql -h127.0.0.1 -P13000 -uroot db2 -e "source /...
DB2_COMMON_APP_DATA_PATH DB2_COMPATIBILITY_VECTOR DB2_CREATE_DB_ON_PATH DB2_DDL_SOFT_INVAL DB2_DISABLE_FLUSH_LOG DB2_DISPATCHER_PEEKTIMEOUT DB2_DJ_INI DB2_DMU_DEFAULT DB2_DOCHOST DB2_DOCPORT DB2DSDRIVER_CFG_PATH DB2DSDRIVER_CLIENT_HOSTNAME DB2_ENABLE_AUTOCONFIG_DEFAULT DB2_ENABLE_LDAP ...
`DB2`是IBM的一个关系数据库管理系统。当你想在DB2中创建一个新的表时，你可以使用`CREATE TABLE`语句。以下是一个基本的`CREATE TABLE`语句的示例：```sql CREATE TABLE tablename (column1 datatype,column2 datatype,column3 datatype,...);```例如，如果你想创建一个名为`employees`的表，其中有三个...
> > db2 create db mydbDB20000I The CREATE DATABASE command completed successfully.> db2 get db cfg for mydb |grep LOGARCHMETH1First log archive method (LOGARCHMETH1) = OFF> mkdir -p /DATA/arc_log> db2 update db cfg for mydb using LOGARCHMETH1 disk:/DATA/arc_logDB20000I Th...