> For the complete documentation index, see [llms.txt](https://note.lonelylty.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://note.lonelylty.com/coding/efmigrationcmdline.md).

# 2020/04/29\_EFmigrationCmdLine

```
get-help entityframeworkcore

code first

Add-Migration Migration-FileName -c DBContext

Update-Database -c DBContext  #update-database -verbose  script-migration


dbfirst

--sqlserver
Scaffold-DbContext -Connection 'connectString' -Provider Microsoft.EntityFrameworkCore.SqlServer -OutputDir DirName -ContextDir DirName -Context NameContext
 -Tables tablename1,tablename2,...

--mysql
Scaffold-DbContext -Connection 'connectString' -Provider Pomelo.EntityFrameworkCore.MySql -OutputDir DirName -ContextDir DirName -Context NameContext
 -Tables tablename1,tablename2,...
```