如果没有test.db怎么用session创建一个

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#1 Created at ... [Delete] [Delete and Lock User]

sessionmaker只连接吗？怎么创建以及建表

#2 Created at ... [Delete] [Delete and Lock User]

进入mysql后执行下面的命令就OK了

mysql> CREATE DATABASE test;

#3 Created at ... [Delete] [Delete and Lock User]

test 库是mysql 数据库自带的。