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MyBatis Framework Learning (4) - Association Query

Article table of contents 1. Data preparation 1 7 2. Join query 2 35 2.1 Redefine the mapping 21 38 2.2 Define the query interface 22 58 2.3 Test 23 65 3. Subqueries 3 75 3.1 Define the query for the charater table 31 charater 78 3.2 Redefine the Boo...

2022-09-28 | Suppose-dilemma | 339 views

Ali interviewer's internal question bank, Ali released 2022 Java post (official version) interview questions

Alibaba 2022 Java Architect Interview Questions (official version) https://img blog.csdnimg.cn/img convert/4dabb59bf2ba472fe2007b502b822d4c.webp?x oss process=image/format,png Gold, nine, silver and ten interviews and job-hopping season have entered,...

2022-09-28 | Si teng | 243 views

The most complete Redis interview questions and answers in history.

Image. The PNG https://img blogs. Csdnimg. Cn/img convert / 2 c874fd6b96184e5e8ad1279219ac875. PNG spent a lot of time to sort out the Redis interview question starting 50 questions, only from entry to master from the foundation, advanced knowledge t...

2022-09-28 | Penghu Java Architect | 533 views

[Continue to write the story of spring] Series: "Digital Bay Area" accelerates its rise

image.png 78d9 4d9d 995b 7030be00c75a.png 'image.png' A series of feature films will be launched in the online theme event of "Continuing the Story of Spring".A new chapter in the high-quality construction of the Guangdong-Hong Kong-Macao Greater Bay...

2022-09-28 | Guangdong News | 181 views

[Continuing the story of spring] Interview | Mao Yanhua: A new chapter in the integrated development of the Greater Bay Area

image.png 60ad 449a 85d3 2c6a357c2033.png 'image.png' From the reform of the system and mechanism, to the high-quality economic development, to the creation of a high-quality living circle that is suitable for living, working, and traveling, as China...

2022-09-28 | Guangdong News | 731 views

[Continue to write the story of spring] Series: Gathering, attracting, and staying in the "Talent Bay Area" has become a trend

image.png c6ad 49e7 8118 e64bc68ac1bd.png 'image.png' A series of feature films will be launched for the online theme event of "Continuing the Story of Spring".A new chapter in the quality construction of the Guangdong-Hong Kong-Macao Greater Bay Are...

2022-09-28 | Guangdong News | 737 views

Redis high frequency interview questions

Redis, full name: Remote Dictionary Server, is a high-performance key value database based on memory, which is an indispensable part of application services to improve efficiency and performance. Because most of the current applications are inseparab...

2022-09-28 | Penghu Java Architect | 144 views

BATJ Internet 38 k a month of Java post interview questions first exposure, master these companies Offer specified is not going to move

Recently, many programmer friends have reported that they have worked for several years. Seeing that their partners have received 30K+ salary, their salary has not moved.Liepin big data shows that both companies and individuals take active actions to...

2022-09-28 | Si teng | 648 views

Spring Data JPA about lazy loading

Background environment related environment configuration: SpringBoot+PostGreSQL Spring Data JPA lazy loading phenomenon First declare the JPA configuration in the application.yml file: spring: jpa: show sql: true hibernate: ddl auto: none open in vie...

2022-09-28 | Stern | 376 views

Java back-end interview must ask: Forty-eight interview questions and the latest answer

https://img blogs. Csdnimg. Cn/img convert/fc9b33adbba2b2e15cf0174d54b29399 jpeg small make up to you in this article after finishing a paper about Java end item latest finishing content, need friends can under reference.We learn Java knowledge, in a...

2022-09-28 | Stern | 525 views

2022 latest summary [Core Notes for Java Post Interview] Express Edition

https://img blog.csdnimg.cn/img convert/548f76f560e36827b9bf555fe2c43baf.png ​ When preparing for an interview, everyone always prepares by brushing questions, but brushing questions is useful, yes, sometimes you have to look at the questionsCan you ...

2022-09-28 | Stern | 898 views

[Continue to write the story of spring] "Numbers" say that Dawan District is also wonderful

Since its official launch in 2017, the construction of the Guangdong-Hong Kong-Macao Greater Bay Area has been in full swing, and its comprehensive strength has been significantly enhanced.Living in the Guangdong-Hong Kong-Macao Greater Bay Area, you...

2022-09-28 | Guangdong News | 194 views

[Continue to write the story of spring] Zhaoqing strives to continue to write more "story of spring" for the third anniversary of the construction of the Greater Bay Area

The construction of the Guangdong-Hong Kong-Macao Greater Bay Area is a major national development strategy, and Zhaoqing is one of the main cities in the construction of the Greater Bay Area.Three years after the "Guangdong-Hong Kong-Macao Greater B...

2022-09-28 | Guangdong News | 515 views

[Stepping on the pit collection] Uninstall/install dual linux systems, nvidia driver installation, missing boot items, black screen at boot

"Personal Culture Attributes" Dual system 4 1. Dual linux systems format a linux system 1 linuxlinux 6 2. Install a new 20 system (dual system) 2 20 20 3. Go directly to the grub interface after rebooting (fix it) 3 grub 263.1 Find your system partit...

2022-09-28 | The ultimate goal | 513 views

Building a monitoring platform based on Prometheus+Grafana-(7) Realize monitoring localized Linux

Build a monitoring platform based on Prometheus+Grafana (1) Build a basic environment to monitor JVM 'Build a monitoring platform based on Prometheus+Grafana (1) Build a basic environment to monitor JVM' Build a monitoring platform based on Prometheu...

2022-09-28 | dyj095 | 991 views

Linux embedded C, C + + server, client, C + + C + + interface (Qt/Mfc) these which is a developmental direction of the future

Recently had a classmate ask: graduate from college, bachelor's degree in 211.Going to find the direction of the C/C + + work, saw on the Internet at present most is this a few directions: Linux embedded C, C + + server, client, C + + C + + interface...

2022-09-28 | Linux development background lion | 308 views

Win the bid to compile and install the QT5.6.3 source code on the Kylin Linux64 platform

Compile and install the source code of QT5.6.3 on the Kylin Linux64 platform. This tutorial applies to the Kylin Linux64 platform. To compile and install the QT environment; install the linuxdeploy packaging tool and install it by source code compila...

2022-09-28 | dyj095 | 461 views

MySQL query database table records

MySQL counts the data volume of all tables in a database. Recently, I want to find the data volume of basically all tables in a database. It is also possible to add up the data volume through select count, but the table data is a bit too much, it is ...

2022-09-28 | Jen Sir (Open Source Byte) | 756 views

A preliminary study on the principle of springboot

Preface This article is the author's introductory notes. The main knowledge of learning Kuangshe theory is borrowed from the class notes of the crazy god.This article is for learning and reference use only, without any commercial use.If there is any ...

2022-09-28 | Yuanyou I | 860 views

Spring boot develops a single application

Article Directory Exploration Web Development%09Web 1 Static Resource Processing 2 Static Resource Mapping Rules Conclusion 3 Custom Static Resource Path 14 Thymeleaf Thymeleaf 20 Template Engine 21 Introducing Thymeleaf Thymeleaf 27 Usage Analysis t...

2022-09-28 | Yuanyou I | 165 views