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TA的排名 41w+

TOC思考程序

步骤找出约束条件(现状问题树) 改善约束条件(消雾法) 消除实施改善措施前的不安(未来问题树) 活用整体思考程序(IF-Then逻辑分析法)

2018-08-03 14:01:02

使用看板进行敏捷开发

今天想与大家分享一款敏捷开发工具“看板”,该词汇来自于岛国,当我看到看板的英文时,我真的惊呆了,看板竟然就是 Kanban?!我们可以结合 Scrum 与 Kanban,让项目管理更加有效,让资源分配更加合理,让绩效考核更加公平!对于项目经理而言,最担心的就是项目进度不可控,不知道每位开发人员具体的工作进度,有了 Kanban 一切都是那么地清晰。 对于开发经理而言,最担心的就是资源分配...

2018-08-03 13:59:31

使用react开发dapp应用实战-宠物认领

阅读本文前,你应该对以太坊、智能合约有所了解,如果你还不了解,建议你先看以太坊是什么除此之外,你最好还了解一些react知识。本文通过实例教大家来开发去中心化应用,应用效果如图: 从本文,你可以学习到:搭建智能合约开发环境 创建Truffle项目 编写智能合约 编译和部署智能合约到区块链 如何通过Web3和智能合约交互 MetaMask 的使用 项目背景...

2018-08-03 13:54:22

Merge into bug?

BUSS_NO,                 ...             from (SELECT E.BUSS_NO BUSS_NO,                          E.Org_code  Org_code,                          ..                     FROM DCDW.T E                                       WHERE               

2014-07-02 10:54:59

AWR 报告关键部分

2014-06-09 10:38:40

DBLinks 新增加字段后,提示标识符无效

2014-06-06 15:03:10

PostgreSQL实用SQL

--查看数据库select * from pg_database;--查看表空间select * from pg_tablespace;--查看语言select * from pg_language;--查看角色用户select * from pg_user;select * from pg_shadow;select * from pg_roles;--查看会

2014-04-15 17:04:28

PostgreSQL实用SQL

_shadow;select * from pg_roles;--查看会话进程select * from pg_stat_activity;--查看表SELECT * FROM pg_tables where schemaname = 'public';--查看表字段select * from information_schema.columns where table_schema = 'public' and table_name = 'pf_vip_org';--查看视

2014-04-15 17:04:00

oracle中,行转列函数wm_concat()结果有长度限制,重写该函数解决

--TypeCREATE OR REPLACE TYPE yxwsp.zh_concat_im   AS OBJECT(  CURR_STR clob,  STATIC FUNCTION ODCIAGGREGATEINITIALIZE(SCTX IN OUT zh_concat_im)    RETURN NUMBER,  MEMBER FUNCTION ODCIAGGRE

2014-04-15 14:34:20

oracle中,行转列函数wm_concat()结果有长度限制,重写该函数解决

ERATE(SELF IN OUT zh_concat_im, P1 IN VARCHAR2) RETURN NUMBER, MEMBER FUNCTION ODCIAGGREGATETERMINATE(SELF IN zh_concat_im, RETURNVALUE OUT clob,

2014-04-15 14:34:00

Oracle: Automatic Subprogram Inlining

Every call to a procedure or function causes a slight, but measurable, performance overhead, which is especially noticeable when the subprogram is called within a loop. Avoiding procedures and functio

2014-04-15 13:38:22

Oracle: Automatic Subprogram Inlining

nctions is not an option, as it goes against the concept of modular programming, making programs bulky and difficult to manage. Automatic subprogram inlining can reduce the overheads associated with calling subprograms, whilst leaving your original sourc

2014-04-15 13:38:00

Oracle:Dynamic SQL Enhancements

Native dynamic SQL and the DBMS_SQL package now support dynamic SQL statements larger than 32 KB. The EXECUTE IMMEDIATE  statement,  OPEN-FOR  statement and  DBMS_SQL.PARSE  procedure all accept

2014-04-15 13:37:34

Oracle:Dynamic SQL Enhancements

tements in the form of CLOBs.

2014-04-15 13:37:00

ORALCE 的字符串转换为列表

select regexp_substr('SMITH,ALLEN,WARD,JONES', '[^,]+', 1, level)   from dual connect by regexp_substr('SMITH,ALLEN,WARD,JONES', '[^,]+', 1, level) is not null

2014-04-15 13:36:11

ORALCE 的字符串转换为列表

2014-04-15 13:36:00

动态SQL、绑定变量、静态SQL的性能对比

测试样例下面的三个存储过程,分别使用了动态SQL、绑定变量、静态SQL三种编程方式。具体存储过程内容如下:l  动态SQLcreate or replace procedure proc1 asbegin  for i in 1 .. 100000 loop    execute immediate 'insertinto t values (' |

2014-04-15 13:35:42

动态SQL、绑定变量、静态SQL的性能对比

e proc1 asbeginfor i in 1 .. 100000 loop execute immediate 'insertinto t values (' || i || ')'; commit;end loop;end proc1;l绑定变量create or replace procedure proc2 asbeginfor i in 1 .. 100000 loop execute immediate 'i

2014-04-15 13:35:00

将博客搬至CSDN

2014-04-15 13:32:49

数据库出现 enq: TX - row lock contention

数据库出现 enq: TX - row lock contention

2014-04-15 11:47:20

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