Consistency
-
ACIDDB/RDB 2019. 9. 30. 13:06
1. Overview Transactions are omnipresent in today’s enterprise systems, providing data integrity even in highly concurrent environments. So let’s get started by first defining the term and the context where you might usually employ it. A transaction is a collection of read/write operations succeeding only if all contained operations succeed. 2. Description 2.1 Components 2.1.1 Atomicity Atomicit..
-
MongoDBDB/Nosql 2019. 9. 20. 10:11
1. Overview MongoDB is a cross-platform document-oriented database program. Classified as a NoSQL database program, MongoDB uses JSON-like documents with schema. MongoDB is developed by MongoDB Inc. and licensed under the Server Side Public License (SSPL) 2. Description 2.1 Ad hoc queries MongoDB supports field, range query, and regular expression searches. Queries can return specific fields of ..