Summary of Spring MVC Learning (9) - Spring MVC implements RESTful and JSON (Spring MVC provides services for front-end)

Most of the time, the front end needs to call back-end services to achieve interactive functions. The common data exchange format is JSON or XML. This paper mainly explains that Spring MVC provides JSON format data for the front end and realizes interaction with the front end. RESTful is a software architecture style and design style, not a sta ...

Posted on Sun, 23 Dec 2018 12:54:07 -0500 by intercampus

Efficiency comparison of Entity Framwork Vs ADO.Net Vs Dapper.Net

In recent years, EF+.Net MVC has been used to write systems. Recently, I met an Indian colleague who told me that Dapper is much more efficient than EF. It can basically approach the efficiency of ADO. Net. Because the problem of habits has not been thoroughly understood about ORM, I take this opportunity to test the ef ...

Posted on Sun, 23 Dec 2018 05:06:06 -0500 by byp

11g SPA (sql Performance Analysis) for upgrade testing

11g SPA (sql Performance Analysis) for upgrade testing Buddy Yuan's Personal Technology Blog 2014-05-27 1967 reading Oracle 11G's new feature SPA (SQL Performance Analysis) is now widely used in upgrade and migration scenarios. Of course, there are other scenarios that can be considered for use, such as (parameter modification, I/O sub ...

Posted on Sat, 22 Dec 2018 17:36:06 -0500 by Daveyz83

ASM Translator Series 23: ASM Internal ASM files number 12 and 254

Original text: ASM files number 12 and 254 Author: Bane Radulovic Translator: Guo Xurui, Warbury Technology Product Delivery Manager, is responsible for the overall delivery management, technical support and maintenance services of QData Cloud high-performance database cloud platform, QBackup database second-level backup recovery cloud plat ...

Posted on Sat, 22 Dec 2018 01:27:05 -0500 by Paingiver

HTAP database PostgreSQL scenario and performance test 6 - (OLTP) spatial application - KNN query (search for nearby objects, sort output from near to far)

Label PostgreSQL, HTAP, OLTP, OLAP, Scenario and Performance Testing background PostgreSQL is a database with a long history, which can be traced back to 1973. It was first awarded by the 2014 Computer Turing Prize winner and the originator of relational database. Michael_Stonebraker PostgreSQL has similar functions, performance, architectur ...

Posted on Fri, 21 Dec 2018 15:33:05 -0500 by wkilc

07 - MySQL Self-taught Course: Introduction to DQL (Data Query Language: Database Query Language), Basic Query, Conditional Query, Fuzzy Query and Sorting (1)

1. Overview of knowledge points in DQL (Data Query Language: Database Query Language) DQL (Data Query Language: Database Query Language): Used to query data (records), not change the data, but let the database send the result set to the client. Overview: 2. Basic Grammar select column 1, column 2... Column name n from table name wh ...

Posted on Fri, 21 Dec 2018 15:18:05 -0500 by RecoilUK

MyBatis Learning Notes of J2EE Series (10) -- Configuring sql mappers with annotations

In the previous project, we used sql mappers configurated by xml files (such as Student Mapper. xml files, which is to configure sql mappers related to Student), and of course we can configure sql mappers by annotations (Hibernate also uses annotations to configure). xml file configuration is recommended for future projects. It is convenient t ...

Posted on Thu, 20 Dec 2018 21:15:05 -0500 by mndwn

Using pt-query-digest to analyze mysql slow query log

Confucius said, "If you want to be good at your work, you must first use your tools." Today we will introduce pt-query-digest in percona toolkit. Download address: http://www.percona.com/software/percona-toolkit/ Official documents: http://www.percona.com/doc/percona-toolkit/pt-query-digest.html Make sure it's ope ...

Posted on Thu, 20 Dec 2018 14:00:06 -0500 by maxpagels

Spring Boot Learning Notes (6) Implementation of a more complex RESTful API with MyBatis

The first two chapters have constructed a RESTful API standard engineering example, and also integrated MyBatis to achieve simple database access. This paper mainly focuses on more in-depth study to achieve a more complete database CRUD standard services. First of all, look at the effect to be achieved. Complete the API of the sc ...

Posted on Thu, 20 Dec 2018 09:30:05 -0500 by PHPNewbie55

DataGuard 11gR2 for Linux 6.4 - - DG Broker Architecture

Environmental Science: System configuration: Configuration of hostname and hosts parsing file (2) selinux and ipstables (3) Network Interworking Main library configuration: 1. Set the main library db_unique_name: 2. Set the main library as mandatory log: 3. Set standy_file_management: 4. Create standbylog: 5. Open DGbrok ...

Posted on Thu, 20 Dec 2018 03:00:05 -0500 by Frapster