First, the index introductionIn MongoDB, indexes are used to support efficient queries. If there is no index, MONGODB must scan each document in the entire collection to find a matching document. However, if an appropriate index is established,
C language programming example of MongoDB in Linux
The following describes the C language programming example of MongoDB on the Linux platform.
Assume that MongoDB has been installed.
1. download and install the MongoDB C language driver
Yesterday, search MongoDB data, introduction of the application of more, the principle of the introduction of not much.
Rough to look at, overall, the design of the two ideas are similar, mainly through the range to distribute data, background
OverviewMongoDB provides clients the ability to perform write operations in bulk. Bulk write operations affect a single collection. MongoDB allows applications to determine the acceptable level of acknowledgement required for bulk write
Synchronization processSelect the node from which to pull the oplog1. Applies the op executes this op log2. Writes the op to its own oplog (also local. oplog. rs) write this op log to your oplog3. Requests the next op request to which the next op
In the real world, everything has two sides, in the process of the world, and so on! Whether we are in the use of a new language, or a new technology, in the understanding of how exciting it is, make people relaxed, all of the excellent as for, it
Phase 1: Basic stage (basic PHP programmer) Focus LNMP (core is installation configuration basic operation) target 1. Able to complete basic LNMP system installation, simple configuration maintenance; 2. Be able to do basic simple
Original: Http://stackoverflow.com/questions/7888880/what-is-redis-and-what-do-i-use-it-forRedis = Remote Dictionary ServiceTl;dr:if you can map a use case to Redis and discover you aren ' t @ risk of running out of RAM by using Redis there is a
Ziadoz a list of PHP resources that are maintained on GitHub, including libraries, frameworks, templates, security, code Analysis, logs, third-party libraries, configuration tools, Web tools, books, ebooks, classic blogs, and more. Bó Lè has
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