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- Can redis replace mysql?
- Redis cannot replace mysql; redis and mysql can only be complementary. Redis stores data in memory and reads it, which is fast, but the memory space is small; while mysql is stored on the hard disk, and the data is large, but reading the hard disk is definitely faster than reading Memory is slow.
- Redis . nosql 4340 2019-08-15 14:00:23
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- What are the nosql databases?
- Nosql databases include MongoDB, Cassandra, CouchDB, Hypertable, Redis, Riak, Neo4j, Hadoop HBase, Couchbase, MemcacheDB, REVENDB, Voldemort, etc.
- SQL . nosql 32957 2019-08-12 16:11:11
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- How many tools are needed for big data analysis?
- Big data analysis requires many tools, such as Hadoop, Ambari, Disco, Avro, HPCC, Lumify, Pandas, Storm, Blazegraph, MongoDB and other tools.
- Common Problem . nosql 4273 2019-07-25 17:25:41
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- Several methods of mysql optimization
- Several methods to optimize mysql: 1. Choose the appropriate storage engine: InnoDB; 2. Ensure that data is read from memory; 3. Regularly optimize and rebuild the database; 4. Reduce disk write operations; 5. Improve disk read and write speed; 6. Make full use of indexes; 7. Analyze query logs and slow query logs; 8. Use memory disks.
- Mysql Tutorial . nosql 11939 2019-07-20 15:23:09
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- Is thinkphp open source?
- It's open source. ThinkPHP is a free and open source, fast and simple object-oriented lightweight PHP development framework. It was founded in early 2006 and released under the Apache2 open source agreement. It was born for agile WEB application development and simplified enterprise application development.
- ThinkPHP . nosql 3832 2019-08-14 18:07:27
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- Why should web projects introduce redis?
- The reason why redis is introduced in web projects: Redis is a high-performance key-value database. Redis supports storing relatively more value types. Redis supports master-slave synchronization. Redis is completely open source and free, and complies with the BSD protocol.
- Redis . nosql 2570 2019-06-24 13:28:52
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- What does a php architect mainly do?
- What PHP architects have to do is to solve real-life problems, including technical problems, product problems, optimizing system performance, ensuring system stability, etc.
- PHP Tutorial . nosql 6511 2023-04-06 22:00:01
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- What are the types and characteristics of databases?
- Database types: Databases are usually divided into two categories, namely relational databases and non-relational databases. Features: Relational databases are easy to maintain, easy to use, and complex to operate. As a supplement to relational databases, non-relational databases can achieve high efficiency and high performance in specific scenarios and characteristic problems.
- SQL . nosql 9283 2019-06-20 09:03:04
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- The difference between redis and rabbitmq
- Redis: There is no corresponding mechanism to ensure message consumption. When consumer consumption fails, the message body is lost and needs to be processed manually. RabbitMQ: It has message consumption confirmation. Even if the consumer fails to consume, the message body will be automatically returned to the original queue. At the same time, it can be persisted throughout the process to ensure that the message body is correctly consumed.
- Redis . nosql 5822 2019-06-18 09:33:40
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- What is the difference between SSDB and Redis?
- The difference between SSDB and Redis: SSDB is a NoSQL database developed in C++; Redis is an in-memory NoSQL database developed in C language. SSDB is a hard disk database, while Redis is an in-memory database. There are fundamental differences between the two in storage format and reading and writing methods.
- Redis . nosql 4081 2019-06-17 11:26:34
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- What are the differences between HBase and Redis?
- The difference between HBase and Redis: 1. HBase is fast to write but slow to read. The reading time of HBase is usually a few milliseconds, while the reading time of Redis is usually tens of microseconds. The performance difference is very big. 2. Both HBase and Redis support KV type. But Redis supports richer types such as List and Set.
- Redis . nosql 6931 2019-06-17 10:42:56
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- Introduction to python's message queue framework
- Message queue is a method of inter-process communication or communication between different threads of the same process. The software's queue is used to process a series of inputs. Introduction to message queue framework: RabbitMQ, Redis, ZeroMQ, ActiveMQ, Jafka/Kafka, Rocketmq, etc.
- Python Tutorial . nosql 9395 2019-06-25 18:03:37
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- What are the common databases in python?
- Python is a highly scalable programming language. There are different Python libraries for various data persistence databases. Commonly used Python databases include MySQL, Oracle, Redis or MongoDB.
- Python Tutorial . nosql 9276 2019-06-14 09:53:32
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- Which book should python crawler read?
- "Writing a Web Crawler in Python" is an excellent guide to using Python to crawl web data. It explains how to crawl data from static pages and how to use caching to manage server load. This book uses Scrapy to create an advanced web crawler and crawl some real websites.
- Python Tutorial . nosql 4874 2019-06-20 09:28:00
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- Can redis be used as a database?
- Whether redis can be used as a database depends on what data you want to store: if you plan to store some temporary data, the data size is not large and does not require too complex queries, but the performance requirements are relatively high, then you can use redis Database usage. Otherwise, don't use it as a database.
- Redis . nosql 3594 2019-06-17 16:04:06
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