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- What data management method does Oracle belong to?
- Oracle is a relational database management system (RDBMS). It adopts a relational data model and uses SQL language to provide transaction processing, data integrity, concurrency control and data recovery mechanisms.
- Oracle . nosql 1196 2024-04-19 02:12:21
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- What are the commonly used database management system software?
- Database management system (DBMS) is a software used to manage databases. Common types include: Relational DBMS: MySQL, PostgreSQL, Oracle Database, Microsoft SQL Server, IBM DB2NoSQL DBMS: MongoDB, Cassandra Column storage DBMS: HBase, Apache Cassandra embedded DBMS: SQLite
- Common Problem . nosql 939 2024-04-17 06:07:06
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- What structural model does mysql database belong to?
- MySQL database adopts a relational model. Data is stored in tables. Tables are composed of rows and columns, and relationships are established between tables through keys. The relational model supports multiple schemas and data types, provides advanced SQL functionality, and can be accessed through multiple programming languages. Compared to other models, the relational model provides data integrity, data organization, broad compatibility, and scalability.
- Mysql Tutorial . nosql 784 2024-04-14 18:48:56
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- Optimization of interaction between PHP functions and new databases
- To optimize the interaction of PHP functions with new databases, best practices include using a client designed for a specific database, such as MongoDB's MongoClient. Optimize queries, such as using indexes, limiting the number of records, and aggregation operations. Use caching for data that does not change or changes rarely. Use coroutines or thread pools to implement concurrent operations. Through these optimizations, PHP applications can efficiently interact with new databases such as MongoDB, thereby improving application performance.
- PHP Tutorial . nosql 1143 2024-04-13 22:33:01
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- Using Golang interface types to implement parameter polymorphism
- Parameter polymorphism can be achieved using Go language interface types, so that functions or methods can accept different types of parameters that implement the same interface, such as the function CalculateArea that calculates the areas of different shapes in the example. In practical applications, interface types can enhance function flexibility, achieve polymorphic behavior and create extensible frameworks, such as interface definitions for different storage backends in the persistence framework.
- Golang . nosql 1274 2024-04-13 12:12:01
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- Long text cannot kill RAG: SQL+ vector drives large models and the new paradigm of big data, MyScale AI database is officially open source
- The combination of large models and AI databases has become a magic weapon for reducing costs and increasing efficiency for large models and making big data truly intelligent. The wave of large models (LLM) has been surging for more than a year, especially models represented by GPT-4, Gemini-1.5, Claude-3, etc., which have become a well-deserved hot spot. On the LLM track, some research focuses on increasing model parameters, and some are crazy about multi-modality... Among them, LLM's ability to process context length has become an important indicator for evaluating models. A stronger context means that the model Have stronger retrieval performance. For example, the ability of some models to process up to 1 million tokens in one go has led many researchers to think about RAG (R
- AI . nosql 1243 2024-04-12 08:04:24
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- A new version of WeChat's full-platform terminal database WCDB is open source, with new support for C++ and Kotlin
- According to news on April 9, WCDB is a SQLite-based terminal database open sourced by the WeChat team. Since it was open sourced in June 2017, more than ten versions have been launched. As one of the most frequently used apps in China and even the world, WeChat internally covers databases for various businesses, and the number of stored messages can reach millions or even tens of millions. This huge amount of data and increasingly rich application scenarios have brought constantly updated needs and challenges to WCDB, and the original code framework has gradually become difficult to cope with. Therefore, starting from 2019, WeChat decided to give up the backward compatibility of the interface and make every effort to build a more powerful new version of WCDB. After many iterations, WCDB’s interface layer and core logic layer have been comprehensively improved, and it has also actively
- It Industry . nosql 1247 2024-04-09 16:16:24
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- 5 reasons to choose Django in 2024
- Django is an older Python framework, but with its fast development speed and low cost, it's still worth considering in 2024. Django is rich in functionality, ranging from SQL database management to API serving, and can be easily deployed into a serverless architecture. Its strong Python language support and large community make it ideal for a variety of small projects.
- Common Problem . nosql 1131 2024-04-09 14:11:20
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- Go language helps back-end development: performance optimization and architecture design
- Go language helps back-end development: Performance optimization and architectural design Introduction Go language is favored by back-end developers because of its excellent concurrency and high performance. This article will delve into how to use Go language for performance optimization and architecture design to create high-performance and scalable solutions for you. Performance optimization parallelism and concurrency: The goroutine mechanism of the Go language supports parallel execution, thereby effectively utilizing multi-core processors. Memory management: Go language uses a garbage collection mechanism to automatically manage memory to avoid memory leaks and fragmentation. Data structure selection: Choosing appropriate data structures, such as map and slice, can optimize data retrieval and storage. Code optimization: Use performance analysis tools, such as pprof, to identify code bottlenecks and optimize them.
- Golang . nosql 679 2024-04-08 16:18:01
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- Golang enters Byte's practical guide to job hunting
- For ByteDance’s recruitment of Golang developers, the following conditions are required: Technical foundation: Proficient in Golang syntax, data structures, algorithms and concurrent programming; Practical experience: Developed large-scale distributed systems or participated in the design and development of high-concurrency and high-availability systems Implementation; interview process: including resume screening, online written test, technical interview and business interview.
- Golang . nosql 1008 2024-04-08 16:09:01
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- How to use mongodb database
- MongoDB is a document-based NoSQL database whose data model is based on documents and allows the storage of complex data. To start using MongoDB, you need to download and install the server and client, connect to the server and create a database. MongoDB uses a collection of key-value pairs to store data and provides rich operation commands for creating, reading, updating, and deleting data. It supports flexible query syntax and can increase query speed by creating indexes. In addition, it provides functions such as aggregation, data replication, load balancing, and transactions.
- MongoDB . nosql 1410 2024-04-07 18:09:26
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- What can mongodb store?
- MongoDB is a NoSQL database that can store the following types of data: JSON documents binary data (GridFS) geospatial data time series data graph data (via GraphDB) unstructured data
- MongoDB . nosql 1010 2024-04-07 17:54:18
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- What data types does mongodb support?
- MongoDB supports a variety of data types, including text strings, integers, floating point, Boolean values, dates, unique identifiers, as well as arrays, objects, binary data, and custom data types. MongoDB adopts a document structure, supports nested data, and provides automatic type conversion functions.
- MongoDB . nosql 1325 2024-04-07 17:24:15
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- What are the advantages of mongodb database
- The MongoDB database is known for its flexibility, scalability, and high performance. Its advantages include: a document data model that allows data to be stored in a flexible and unstructured way. Horizontal scalability to multiple servers via sharding. Query flexibility, supporting complex queries and aggregation operations. Data replication and fault tolerance ensure data redundancy and high availability. JSON support for easy integration with front-end applications. High performance for fast response even when processing large amounts of data. Open source, customizable and free to use.
- MongoDB . nosql 861 2024-04-07 17:21:23
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- What fields is mongodb suitable for?
- MongoDB is suitable for the following areas: Document storage and management Real-time applications Big data analytics Cloud computing Mobile applications Internet of Things Social media recommendation systems E-commerce content management systems
- MongoDB . nosql 1298 2024-04-07 17:18:20
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