oracle插入时如何插入uuId
是想生成GUID吗？
SQL> select sys_guid() from dual ;
SYS_GUID()
--------------------------------
F18031C69D8345DEB305D4B2E796A282
你可以把表的主键字段的缺省值设为sys_guid()
insert into luxian_info (id) values(sys_guid());
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INTERVAL DAY TO SECOND数据类型
Oracle语法:
INTERVAL '{ integer | integer time_expr | time_expr }'
{ { DAY | HOUR | MINUTE } [ ( leading_precision ) ]
| SECOND [ ( leading_precision [, fractional_seconds_precision ] ) ] }
[ TO { DAY | HOUR | MINUTE | SECOND [ (fractional_seconds_precision) ] } ......
Step1. Insert empty_clob() into the Clob column of Oracle
Step2. Set autocommit to false
Step3. Select Clob as oracle.sql.CLOB from database
Step4. Insert String into Clob
Step5. Commit
Example:
import java.sql.*;
import java.io.*;
import oracle.jdbc.driver.OracleResultSet;
......
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from: http://cid-4e5d038451e31a25.spaces.live.com/blog/cns!4E5D038451E31A25!140.entry
create or replace procedure P_QuerySplit(
sqlscript varchar2, --表名/SQL语句
pageSize integer, ......
最近学了servlet和oracle，也就把他们结合下，做个分页的页面出来。算是一种复习吧。
1.首先是oracle的分页显示SQL语句：
select * from(select a.*, rownum rn from (select * from Person) a where rownum <= MaxN ......
