Implementation of Mybatis-TypeHandler Based on SpringBook Customization

Demand: Enumerations are used in programs to represent states or options, while numbers are used in databases to store them. The advantage of doing this is that enum is used in the program more intuitively to know the state and meaning of each value. Analysis: EnumTypeHandler and EnumOrdinal TypeHandler are two existing types ...

Added by chomps on Sun, 12 May 2019 14:34:08 +0300

Database System Experiment 4: SQL-SELECT Query Operation

Database System Experiment 4: SQL Language-SELECT Query Operation Database System Experiment 4: SQL Language-SELECT Query Operation Experimental environment Experimental content Steps and processes First create the jxgl database for testing by following SQL statements Use SQL statements to express the following queries ...

Added by nalleyp23 on Sun, 12 May 2019 13:43:12 +0300

Computer room combination query

Combinatorial Query about VB Edition Room Management In the VB version computer room management system, there are many database queries, and also many combination queries. It is a headache to make clear the combination queries when you have just touched the database. Next let me write a simple combination query in my ...

Added by Brendan on Sun, 12 May 2019 09:01:54 +0300

cnpmjc and sinopia build private warehouse

cnpmjc and sinopia build private warehouse Article directory Basic use of nrm install Use npm, cnpm set mirror Installation steps of cnpmjs.org server Clone code Install mysql database Configure config/index Database Configuration Other configurations start-up Verification cnpmjs.org client Release Siopia Builds Private ...

Added by Earnan on Sun, 12 May 2019 09:00:50 +0300