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[tcallusdb knowledge base] restfulapi2 0 for list table - [Pb] listgetrecord2 0 Introductionbrief introductionQuery the record of the specified subscript under the corresponding 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 E ...

[tcallusdb knowledge base] restfulapi2 0 for generic table - [Pb] indexquery2 0 Introductionbrief introductionQuery records through the global index and support SQL syntax, as shown in the appendix. To use this interface, you need to add global index fields to the table on Tencent cloud console or local Docker Web platform in advance.POST http: ...

[tcallusdb knowledge base] restfulapi2 0 for generic table - [Pb] indexquery2 0 Introductionbrief introductionQuery records through the global index and support SQL syntax, as shown in the appendix. To use this interface, you need to add global index fields to the table on Tencent cloud console or local Docker Web platform in advance.POST http: ...

Official documents in English: https://docs.mongodb.com/manual/ MongoDB Chinese website: MongoDB Chinese website | MongoDB Chinese documents brief introduction MongoDB is a document database designed to facilitate application development and expansion. MongoDB is a document database designed for ease of application development an ...

In the process of system development, sorting data is a very common scenario. Generally speaking, we can adopt two ways: With the help of the sorting function of the storage system (supported by SQL, NoSQL and NewSQL), the query result is the ordered result The query results are unordered data and sorted in memory. Today I want to talk about t ...

1. Explanation of NoSQL (non relational database) Why use Nosql Big data age - > springboot + springcloud The beautiful era of stand-alone Mysql! In the 1990s, the number of visits to basic websites was small, and only a single database was enough. Bottleneck of the whole website: 1. If the amount of data is too large, one m ...

mongodb index rule Mongodb's indexing rules are basically the same as those of traditional relational databases. Most techniques for optimizing MySQL/Oracle/SQLite indexes are also applicable to mongodb. Why index When some conditions are used in the query, the key can be indexed to improve the query speed.When the amount of data is lar ...

[tcaplus DB knowledge base] Tcaplus Go SDK manual (I)1 preparation for useThis API is the Go package of Tcaplus API and supports the addition, deletion, modification and query of Generic table1.1 list of codespack is a packaged scriptExample is an exampleaurotest is a testing toolOther directories are the source code of Tcaplus Go APIThe vendor ...

Five data types key creation View all key s in the current library keys * Determine whether a key exists exists key View the type of key type key Delete key del key unlink key --Asynchronous deletion Set the expiration time of the key expire key 10 See how many seconds are left to expire ttl key ---1 Means never ...

1 prepare the installation environment 1.1 installing JDK elasticsearch 7.1.1 configuring java8, java11 1.2 change system resource configuration Modify / etc / sysctl Conf file, add VM. Conf at the end of the file max_ map_ count=262144 Note: after modification, execute sysctl -p, and load system parameters from the specified file. If ...