SQLite

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 下载页面：

解压后：

 环境变量配置：

 然后命令行：sqlite3

using System.Data.SQLite;
 
string cs = "Data Source=:memory:";
string stm = "SELECT SQLITE_VERSION()";
 
using var con = new SQLiteConnection(cs);
con.Open();
 
using var cmd = new SQLiteCommand(stm, con);
string version = cmd.ExecuteScalar().ToString();
 
Console.WriteLine($"SQLite version: {version}");