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- What type is the key of redis?
- The key type of redis can only be string, and the value supports five data types: string, list, set, hash table, and ordered set.
- Redis . nosql 7859 2019-11-02 14:01:11
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- When does redis persist?
- When the data stored in Redis is very important, it needs to be persisted. Persistent storage stores the data stored in memory by Redis on the hard disk to achieve permanent storage of data.
- Redis . nosql 2866 2019-11-02 14:00:56
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- What are the main technologies for PHP back-end development?
- The main technologies for PHP back-end development are: 1. Web front-end technology and PHP basics; 2. Linux knowledge; 3. MySQL knowledge; 4. PHP framework; 5. Caching technology and massive data optimization technology; 6. System tuning and load balancing technology.
- PHP Problem . nosql 7245 2023-02-27 18:54:01
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- Is php difficult?
- PHP is not difficult, because PHP is similar to C language and is a commonly used website programming language. PHP's unique syntax structure is simple and its expression ability is flexible, making it very easy to get started.
- PHP Problem . nosql 2669 2023-02-27 18:08:01
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- what is nosql
- NoSQL refers to non-relational databases. NoSQL, also known as the abbreviation of Not Only SQL, is a general term for database management systems that are different from traditional relational databases. NoSQL is used for the storage of very large-scale data. These types of data stores do not require a fixed schema and can scale out without redundant operations.
- Common Problem . nosql 32332 2019-10-24 17:55:42
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- Is php multithreading useful?
- PHP multi-threading is useful. Multi-threading can greatly shorten program execution time when processing repetitive cyclic tasks.
- PHP Problem . nosql 2854 2023-02-26 20:56:01
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- What should senior PHP programmers learn?
- In addition to being able to complete basic PHP business development, it can also solve most in-depth and complex technical problems, and can independently design and complete medium and large-scale system design and development work; it can independently hold in-depth work in a certain technical direction (such as MySQL, Nginx , PHP, Redis, etc., in-depth research in any direction)
- PHP Problem . nosql 3179 2023-02-26 19:52:01
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- What to learn first when getting started with PHP
- You need to understand the basic knowledge of WEB front-end, such as having a simple understanding of html5/css3/java/jquery, and being able to write basic WEB front-end static pages through html5+div+css3. You also need to understand basic syntax, basic framework, variables, arrays, PHP custom functions, PHP environment variables, etc.
- PHP Problem . nosql 2914 2023-02-25 14:08:02
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- What are the php caches?
- PHP caching methods: full page static cache, partial page cache, data cache, query cache, memory cache, apache cache module, PHP APC cache extension, Opcode code cache.
- PHP Problem . nosql 2820 2023-02-24 18:38:02
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- How to get started quickly with php
- The learning steps for quick introduction to PHP are: 1. Learning the development environment; 2. Learning the basic syntax of PHP; 3. Simple example application; 4. Object-oriented learning; 5. Learning the PHP framework; 6. Learning the Linxu server; 7. Learning large concurrency architecture.
- PHP Problem . nosql 5049 2023-02-24 16:32:02
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- How php solves big data
- The way PHP solves big data is to use Hadoop to divide the data in a table into multiple blocks and save them to multiple nodes (distributed). Each piece of data is stored on multiple nodes (cluster). Clusters can process the same data in parallel and ensure data integrity.
- PHP Problem . nosql 5268 2023-02-24 16:26:02
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- what is a php development engineer
- PHP development engineers are PHP technical talents. Their main job is to use PHP to complete software design, development, testing, bug modification, etc. Of course it is so simple, but there will be different situations and different bugs that need to be solved at work, so it is very important to be technically competent.
- PHP Problem . nosql 3964 2023-02-23 21:18:02
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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 4313 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 32928 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 4250 2019-07-25 17:25:41
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