Regex usage in MongoDB
Background
Part1: Preface
Anyone who uses MySQL or other relational databases knows that fuzzy queries are used in similar ways:SELECT * FROM products WHERE sku like "% 789 ";
The regex in MongoDB described in this article
[MongoDB] The Regex Expression query of MongoDB, mongodbregex
In the past two blogs, the topic mainly focus on the high query operation of mongodb. in this blog, we simply study the regex expression in the mongdb. mongoDB also support the regex
These days of contact with MongoDB and Springdata, their own English compared to stamp, so finishing these methods spend a little more time, but also my first time in the foreign site finishing technologyNot much to say, directly on the code, here
In the past-blogs, the topic mainly focus on the high query operation of MongoDB. In this blog, we simply study the regex expression in the mongdb. MongoDB also support the Regex query. For exampleThe expression is also able to combination with
http://www.mongoing.com/archives/2282In general, there are two main tools to limit the schema of MongoDB:Variety: See what happens in each field in collectionsDocument Validation: Qualification of field rules for data in tables, error and warn level,
MongoDB is a high performance NoSQL database based on document type, which has excellent performance under high concurrency, therefore, the use of MongoDB in the Internet industry will be very extensive.
Of course, MongoDB is mainly concerned about
Brief introduction
MongoDB is a NoSQL database based on distributed file storage
Written by the C + + language, stable and high performance
Designed to deliver scalable, high-performance data storage solutions for WEB applications
In the four CRUD operations, a record or document is obtained from the collection of mongodb databases. For non-DBAs, query is the most used. Therefore, if you have learned the query, it will be of great help for us to better operate the database in
Php7 How to implement MongoDB fuzzy query? MongoDB Fuzzy query statement believe that everyone is not unfamiliar, this article mainly introduces in PHP 7 MongoDB implementation of Fuzzy Query method, the text gives a detailed introduction and sample
MongoDB Regular Expressions and Applications
Regular Expressions are often used to search for any mode or text of a string in all languages. MongoDB also provides the Regular Expression Function to use the regular expression $ regex operator in
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