2018年6月16日
Spring Boot
摘要： http://candidjava.com/tutorial/spring-boot-interview-questions/ http://candidjava.com/tutorial/spring-boot-questions-part-2/ http://candidjava.com/tut 阅读全文
posted @ 2018-06-16 23:07 VickyFengYu 阅读(78) 评论(0) 推荐(0) 编辑
MongoDB
摘要： 1. What Are Nosql Databases? What Are The Different Types Of Nosql Databases?A NoSQL database provides a mechanism for storage and retrieval of data t 阅读全文
posted @ 2018-06-16 23:00 VickyFengYu 阅读(185) 评论(0) 推荐(0) 编辑
Spring
摘要： 1) What is Spring? It is a lightweight, loosely coupled and integrated framework for developing enterprise applications in java. 2) What are the advan 阅读全文
posted @ 2018-06-16 22:56 VickyFengYu 阅读(133) 评论(0) 推荐(0) 编辑
Hibernate
摘要： 1) What is hibernate? Hibernate is an open-source and lightweight ORM tool that is used to store, manipulate and retrieve data from the database. more 阅读全文
posted @ 2018-06-16 22:54 VickyFengYu 阅读(173) 评论(0) 推荐(0) 编辑
Multithreading
摘要： 1) What is multithreading? Multithreading is a process of executing multiple threads simultaneously. Its main advantage is: Threads share the same add 阅读全文
posted @ 2018-06-16 22:52 VickyFengYu 阅读(194) 评论(0) 推荐(0) 编辑
MySQL
摘要： 1) What is MySQL? MySQL is a multithreaded, multi-user SQL database management system which has more than 11 million installations. This is the world' 阅读全文
posted @ 2018-06-16 22:49 VickyFengYu 阅读(130) 评论(0) 推荐(0) 编辑
Redis
摘要： 1) What is Redis? Redis is an open-source, advance key value data store and cache. It is also referred as a data structure server which keys not only 阅读全文
posted @ 2018-06-16 22:47 VickyFengYu 阅读(130) 评论(0) 推荐(0) 编辑
2018年6月13日
601. Human Traffic of Stadium
摘要： X city built a new stadium, each day many people visit it and the stats are saved as these columns: id, date, people Please write a query to display t 阅读全文
posted @ 2018-06-13 17:58 VickyFengYu 阅读(131) 评论(0) 推荐(0) 编辑
185. Department Top Three Salaries
摘要： The Employee table holds all employees. Every employee has an Id, and there is also a column for the department Id. The Department table holds all dep 阅读全文
posted @ 2018-06-13 17:11 VickyFengYu 阅读(112) 评论(0) 推荐(0) 编辑
262. Trips and Users
摘要： The Trips table holds all taxi trips. Each trip has a unique Id, while Client_Id and Driver_Id are both foreign keys to the Users_Id at the Users tabl 阅读全文
posted @ 2018-06-13 17:03 VickyFengYu 阅读(129) 评论(0) 推荐(0) 编辑