Prerequisites Installing from command line: Steps Step 1: Clone (=copy) the Github repository to your computer Step 2: Run cmake or qmake Step 2a: If using cmake Step 2b: If us...
How to install Django Install Python Install Apache and mod_wsgi Get your database running Install the Django code Installing an official release with pip Installing a distribu...
Using the sqlite3_unlock_notify() API Using the sqlite3_unlock_notify() API /* This example uses the pthreads API */ #include <pthread.h> /* ** A pointer to an instance...
Indexes and Constraints Single-column indexes and constraints Multi-column indexes Advanced Index Creation Table constraints Indexes and Constraints Peewee can create index...
禁用默认事务 缓存预编译语句 带 PreparedStmt 的 SQL 生成器 选择字段 迭代、FindInBatches Index Hints 读写分离 GORM optimizes many things to improve the performance, the default performance should be good...
Create a migration Workaround for SQLite limitations Apply the migration Create a migration Migrations keep track of changes to the database structure over time. They make it...
怎样使用数据库事务处理 问题: 解决: 怎样使用数据库事务处理 问题: 怎样使用数据库事务处理? 解决: 数据库对象有一个方法“transaction”,将启动一个新的事务,并返回事务对象。这个事务对象可以使用commit提交事务或rollback来回滚事务。 import web db = web . database...