榜单
服务器优惠
AI论文
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SQL Command Permissions Summary
SQL Command Permissions Summary SQL Command Permissions Summary The following table identifies the permissions required for common SQL commands. Notes : A /*/* policy with c... -
Transaction invocation
Transaction invocation Execute transaction Declaration of collections Declaration of data modification and retrieval operations Custom exceptions Examples Cross-collection tra... -
数据库迁移
AutoMigrate Migrator 接口 当前数据库 表 列 约束 索引 约束 其他迁移工具 AutoMigrate AutoMigrate 用于自动迁移您的 schema，保持您的 schema 是最新的。 注意： AutoMigrate** 只会创建表，它会忽略外键、约束、列和索引。为了保护您的数据，它 不会**更改现有列... -
system.stack_trace
system.stack_trace system.stack_trace Contains stack traces of all server threads. Allows developers to introspect the server state. To analyze stack frames, use the addressTo... -
备份与恢复
概述 备份步骤 备份数据库 备份 Seafile 资料库数据 恢复备份 恢复数据库 概述 一般来说，Seafile 备份分为两部分内容： Seafile 资料库数据 数据库如果你根据我们的手册来安装 Seafile 服务器，你应该有如下目录结构： haiwen # 根目录，haiwen 为示例文件名，如果你安装到其他目录... -
Environment Variables for Katib Components
Environment Variables for Katib Components Katib Controller Katib UI Katib DB Manager Katib MySQL DB Environment Variables for Katib Components How to set up environment va... -
Query Builder
Query Builder Introduction Selects Retrieving All Rows From A Table Chunking Results From A Table Retrieving A Single Row From A Table Retrieving A Single Column From A Row Re... -
Session
DryRun 预编译 NewDB Initialized Skip Hooks DisableNestedTransaction AllowGlobalUpdate FullSaveAssociations Context Logger NowFunc Debug QueryFields CreateBatchSize GORM... -
Connection Management
Connection Management A note of caution Thread Safety Context managers DB-API Connection Object Connection Management To open a connection to a database, use the Database.c... -
Self-Reference and aliases
Self-Reference and aliases Self-Reference and aliases It is possible to define tables with fields that refer to themselves, here is an example: db . define_table ( 'person' , ...