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  Database Testing – Practical Tips and Insight on How to Test Database

Database is one of the inevitable parts of a software application these days. It does not matter at all whether it is web or desktop, client server or peer to peer, enterprise or individual business, database is working at backend. Similarly, whether it is healthcare of finance, leasing or retail, mailing application or controlling spaceship, behind the scene a database is always in action. Moreover, as the complexity of application increases the need of stronger and secure database emerge...

2,114 0 0          TIPS DATABASE PRACTICE


  SQL Grammar Summary

整理了一下,希望对大家有用SQL语句大全  --语 句 功 能--数据操作SELECT --从数据库表中检索数据行和列INSERT --向数据库表添加新数据行DELETE --从数据库表中删除数据行UPDATE --更新数据库表中的数据--数据定义CREATE TABLE --创建一个数据库表DROP TABLE --从数据库中删除表ALTER TABLE --修改数据库表结构CREATE VIEW --创建一个视图DROP VIEW --从数据库中删除视图CREATE INDEX --为数据库表创...

3,151 1 0          SQL QUERY SUMMARY SELECT UPDATE DELETE I


  Create trigger in MySQL

To create trigger in MySQL, the syntax is :CREATE [DEFINER = { user | CURRENT_USER }] TRIGGER trigger_name trigger_time trigger_event ON tbl_name FOR EACH ROW trigger_bodyOne example is :DELIMITER %%DROP TRIGGER IF EXISTS delete_commentCREATE TRIGGER delete_comment AFTER DELETE ON file_generate_infoFOR EACH ROW BEGIN DELETE FROM article_comment WHERE article_id=OLD.article_id;END%%The whole create trigger statement should be complete statement but not many separate com...

1,644 0 0          MYSQL TRIGGER DILIMITER PHPMYADMIN


  An example of SQL outer join

SELECT MEMBER.Name, MEMBER.Address, ORGANIZER.phoneNo, TRAVEL.Tour_Name, TRAVEL.Start_Date, TRAVEL.End_Date FROM TRAVEL RIGHT JOIN ((MEMBER LEFT JOIN ORGANIZER ON MEMBER.Member_ID=ORGANIZER.memberID) LEFT JOIN PARTICIPATION ON MEMBER.Member_ID=PARTICIPATION.MemberID) ON TRAVEL.TravelID=PARTICIPATION.TravelID;...

1,817 0 0          ACCESS SQL OUTER JOIN