加载中
MySQL(Constraint)

MySQL 约束作用: 约束用于限制加入表的数据的类型 MySQL 约束范围: 表约束 列约束(单列约束,多列约束) MySQL key约束三种 主键约束(PRIMARY KEY) 唯一键值约束(UNIQUE KEY) 外键约束(FORE...

SpringBoot(Test)

spring boot test pom.xml <dependency>     <groupId>org.springframework.boot</groupId>     <artifactId>spring-boot-starter-test</artifactId>     <scope>test</scope> </depe...

2017/04/21 19:38
5
MySQL(Lock)

锁表语法   LOCK TABLES       tbl_name [[AS] alias] lock_type       [, tbl_name [[AS] alias] lock_type] ...   lock_type:       READ [LOCAL]     | [LOW_PRIORITY] WRI...

2017/04/21 19:23
25
SpringBoot(Basic)

spring boot 重要插件: maven-shade-plugin spring-boot-maven-plugin 重要命令: mvn spring-boot:run java -jar xxx.jar java -jar xxx.war java -jar xxx.war --spring.profiles.active...

2017/04/20 19:49
1
MySQL(Index)

mysql index type: primary key索引: 特殊唯一索引,不允许重复的索引, 不允许为null, 索引名字为Primary. Primary的索引一定是unique的 => btree(clusted)  unique索引: 普通唯一索引, 不...

2017/04/20 19:32
22
MySQL(FullText)

fulltext变量: show variables like "%FT%" +---------------------------------+----------------+ | ft_boolean_syntax | + -><()~*:""&| | | ft_max_word_len ...

Spring(Configuration)

Config by xml 1.创建组件bean by scan @Component @Component @Repository @Service @Controller 组件@Scope("prototype") singleton 表示在spring容器中的单例,通过spring容器获得该...

2017/04/16 20:24
2
征信立信

数据来源 中国商务信用平台 全国企业信用信息公示系统 xx企业信用信息平台 中国裁判文书网 中国执行信息公开网 信用中国 国家税务总局 国家知识产权局 版权局 商标局 ... 中国人民银行征信中...

2017/04/13 19:00
79
Spring(Data-Rest)

Spring MVC(rest): database->do->dao->service->controller/action database<-do<-dao<-service<-controller/action controller(action)->vo->response(parameter/json)->curl controller...

2017/04/11 19:31
1
Spring(Lifecycle)

Jetty/Spring初始化: jetty启动时注册一个QueuedThreadPool和一些connector和monitor,并初始化一个WebAppContext/ServletContextHandler,同时注册一个LifeCycleListener LifeCycleListener...

2017/04/11 19:26
6
Spring(Project)

###crawl remote catalog from remote to local ###mvn archetype:crawl ###mv /home/cuikexi/.m2/repository/archetype-catalog.xml /home/cuikexi/.m2/ ###archetypeCatalog:internal|loca...

2017/04/07 16:20
1
OLTP(TPC-C)

TPC , 即Transaction ProcessingPerformance Council,事务处理性能委员会

TPC(OLTP vs OLAP)

TPC , 即Transaction ProcessingPerformance Council,事务处理性能委员会

2017/03/25 15:33
21
MySQL(Migrate)

mysql to mysql: mysql workbench(schema transfer) mysql to oracle: sqldeveloper oracle/otherodbc to mysql: mysql workbench(migrate) oracle/otherjdbc to oracle: sqldeveloper mysql...

MySQL(Json)

mysql 5.6+ -- json table create table features ( id int not null auto_increment primary key, feature json not null ); -- json insert insert into features values (1, '{"id": 1, "...

2017/03/21 17:00
10
MySQL(DBs)

MySQL自带数据库的说明

2017/03/19 17:25
8
MySQL(Test)

mysql server test(use test language): mysqltest and mysql-test-run.pl /usr/lib/mysql-test/mysql-test-run.pl xxxxx (xxxxx.test should in /usr/lib/mysql-test/t/ and xxxxx.result s...

2017/03/19 13:30
2
MySQL(User&Grant)

新建用户 CREATE USER user [IDENTIFIED BY [PASSWORD] 'password'] [, user [IDENTIFIED BY [PASSWORD] 'password'] CREATE USER 'dog' @ 'localhost' IDENTIFIED BY '123456' ; CREATE US...

2017/03/17 19:52
3
数据处理(工具)

Format(Source/Staging/Target) CSV Json XML (GEXF) Table/View Memory Vector/Matrix RDD/DataFrame/DataSet NDArray/DataFrame Store(Source/Staging/Target) Txt file CSV file...

2017/03/12 16:00
15
MemSQL(POC)

memsql: tar -xzf memsql-ops-5.1.0.tar.gz cd memsql-ops-5.1.0 sudo ./install.sh memsql: sudo service memsql-ops start sudo service memsql-ops stop memsql client: memsql -P 3307 m...

2017/03/07 17:37
14

没有更多内容

加载失败,请刷新页面

下一页

返回顶部
顶部