关系型数据库设计的关键，在于把业务规则落到表结构、约束和事务边界中。MySQL通过DECIMAL精确金额、联合索引最左前缀、唯一索引幂等以及行锁条件更新，支撑资金流水可追溯与并发安全；Spring Boot则负责分层实现和事务编排。对课程实验、慈善捐赠、订单支付等场景，合理选择字段类型、设计 ...

Low-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL ...

This is a TypeScript-based GraphQL API for a recipe sharing platform. It allows users to query for recipes, search recipes by ingredients, and also enables them to submit their own recipes. Develop a ...