https://en.wikipedia.org/wiki/ACID https://zh.wikipedia.org/wiki/ACID //ACID compliant , row-level locking , FOREIGN KEY 行锁 表锁 //a small footprint , Table-level locking limits the performance in read/write workloads, so it is often used in read-only…
In partitioned databases, trading some consistency for availability can lead to dramatic improvements in scalability. http://queue.acm.org/detail.cfm?id=1394128 Dan Pritchett, Ebay Web applications have grown in popularity over the past decade. Wheth…
In this post, we want to talk about JDBC Transactions and how we can manage the operations in a database. The most popular DBMS like MySQL and Oracle have by default the option autocommit enabled, it means immediately after any DML Operation saves th…
Part I-An introduction to transactions If you look at any introductory article or book on J2EE, you'll find only a small portion of the material devoted to the Java Transaction Service (JTS) or the Java Transaction API (JTA). This is not because JTS…
Unlike most of the other projects in this book, NoSQL is not a tool, but an ecosystem composed of several complimentary and competing tools. The tools branded with the NoSQL monicker provide an alternative to SQL-based relational database systems for…
原文: https://dev.to/lmolivera/everything-you-need-to-know-about-nosql-databases-3o3h ----------------------------------------------------------------------------------------- Everything you need to know about NoSQL databases Lucas OliveraJun 4 Update…
一.The InnoDB Engine Each InnoDB table is represented on disk by an .frm format file in the database directory,as well as data and index storage in the InnoDB tablespace.The InnoDB tablespace is a logical single storage area that is made up of one or…
