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NoSQL getting started overview MySQL database application history The beautiful era of stand-alone MySQL In the 1990s, the number of visits to a website was generally small, which could be easily handled with a single database. At that time, there were more static pages and less dynamic interactive websites. DAL: abbreviation of databa ...

catalogue Normal execution of transactions Abandon transaction Compiled exception Runtime exception (I/O) Monitor} Watch (frequently asked in interview) redis monitoring test Normal execution succeeded!   Test multithreading to modify the value. Using watch can be used as redis optimistic lock operation Jedis Test: 1. Import cor ...

1. Redis (CACHE) 1.1 Nosql 1.1.1 general Single machine mysql era: In the 1990s, the number of visits to a basic website will not be too large, and a single database is enough! More use of static web pages html Website bottleneck: The amount of data is too large for one machineThe index of data can't fit into the memory of a machineToo m ...

brief introduction To add data in batch in PB table, you can specify the insertion method. Batch insertion interface is a non atomic interface, which allows partial success and partial failure. The user needs to judge the number of successful records or failed records according to the return value. POST http://{Tcaplus_REST_URL} Request syn ...

1, Download and install ElaticSearch 1. ElaticSearch download address https://www.elastic.co/cn/downloads/elasticsearch 2. Installation method of windows version Unzip for immediate use. The directory structure after unzip is as follows: 3. Start ElasticSearch Enter the bin directory and click elastic search Bat file 4. Solve cr ...

[tcallusdb knowledge base] restfulapi2 0 for generic table - [Pb] replacerecord2 0 Introductionbrief introductionAdd a new record or replace the old one with a new one. If the record already exists, update it; If the record does not exist, insert a new record.POST http://{Tcaplus_REST_URL}Request syntaxHttp request#Tencent cloud console RESTful ...

[tcallusdb knowledge base] restfulapi2 0 for list table - [Pb] listdeleterecord2 0 Introductionbrief introductionDelete the record of the specified subscript under the corresponding Key in the List PB table.Index: Specifies the subscript of the record to delete.POST http://{Tcaplus_REST_URL}Request syntaxHttp request#Tencent cloud console RESTf ...

[tcallusdb knowledge base] restfulapi2 0 for generic table - [Pb] fieldgetrecord2 0 Introductionbrief introductionQuery the corresponding record, get the specified field and return. Compared with the specified fields returned by GetRecord (Select parameter), the difference is that FieldGetRecord filters on the server and the network traffic is ...

[tcallusdb knowledge base] restfulapi2 0 for list table - [PB] [PB] ListBatchGetRecord introductionbrief introductionBatch query the records under the specified Key in the List PB table.Index: Specifies the subscript of the record to return.POST http://{Tcaplus_REST_URL}Request syntaxHttp request#Tencent cloud console RESTful Endpoint, ip:80, p ...

[tcallusdb knowledge base] restfulapi2 0 for list table - [Pb] listgetallrecords2 0 Introductionbrief introductionQuery all records under the corresponding Key in the List PB table, and Limit the number of records returned each time through Limit and Offset.Limit: limit the number of records returned. If the limit is - 1, all records will be re ...