Web3D is a web-based 3D virtual reality technology that combines 3D graphics technology with web technology, allowing users to experience interactive 3D graphics and visual effects directly in their w···
Reflection in Java is considered a key feature of dynamic languages. The Reflection mechanism allows a program to obtain internal information of any class during execution via the Reflection API, and ···
If a query is considered a task, it is made up of several sub-tasks, each of which consumes a certain amount of time. To optimize a query, we essentially need to optimize its sub-tasks, either by elim···
Spring Cloud Ribbon and Spring Cloud Hystrix implement client-side load balancing and service call protection using circuit breakers in microservices. These two frameworks are widely used in various m···
1. Development Standards【1】 Weak Dependency Check and Offline Confirmation: Redis must be used as a weak dependency, meaning Redis failures should not affect business operations. This includes timeo···
When performing pagination in database queries, it's essential to return a token that can be used directly to locate the first data item of the next page. It is not recommended to simply use the L···
In a database, uniqueness constraints ensure that each row of data in a specific column of a table is distinct. This can be achieved using a unique index or a primary key. When these constraints are v···
Transaction management is a crucial concept in database operations, especially when dealing with scenarios that require ensuring data integrity and consistency. A transaction is a series of operations···
In MySQL, a large transaction can consume significant resources, including locking resources and memory. This may lead to the following issues:Reduced Concurrency: Large transactions may lock a large ···
When inserting large amounts of data into a MySQL database, executing individual insert statements can be inefficient due to overheads such as network latency, transaction processing, and logging. Bul···
Data operations—especially large-scale ones—always carry risks, including the possibility of data loss or corruption due to user errors, system failures, or other factors. To minimize these risks, p···
When performing database insert operations, it is important to consider potential errors and ensure that these errors are handled appropriately. The error handling logic should ensure the following:Tr···
Query optimization is a crucial aspect of database performance tuning, aimed at reducing the execution time and resource consumption of queries. Below are some common query optimization techniques alo···
Resource limits are a mechanism to prevent database queries from consuming excessive time and resources. Below are examples of how to set query execution time limits in MySQL and SQL Server.MySQL'···
Permission management is a critical component of database security, ensuring that users can only access and modify the data and resources they are authorized to handle. Properly configuring permission···
When handling sensitive information, such as phone numbers, it is important to comply with data protection regulations like GDPR (General Data Protection Regulation) or other applicable privacy laws. ···
