get-tables-from-sql.cs

void Main()
{
	var matches = this.ExecuteQuery<SysObject>(@"SELECT Table_Schema, TABLE_NAME, COLUMN_NAME, DATA_TYPE, CHARACTER_MAXIMUM_LENGTH,
		   NUMERIC_PRECISION, NUMERIC_PRECISION_RADIX, NUMERIC_SCALE,
		   DATETIME_PRECISION
		FROM INFORMATION_SCHEMA.COLUMNS");

	var content = matches.GroupBy(_ => _.Table_Name)
	.Aggregate(new StringBuilder(), (sb, g)
		=> g.Aggregate(sb
						.AppendLine($"# {g.Key}")
						.AppendLine("| *Column Name* | *Data Type* | *Description* ")
						.AppendLine("|--|--|--"), 
						(ssb, i) => ssb.AppendLine($"| {i.Column_Name} | {i.Data_Type} | {i.Column_Name} |")))
						.ToString();
			
	var filename = System.IO.Path.GetTempPath() + "tables.markdown";		
	System.IO.File.WriteAllText(filename, content);
	System.Diagnostics.Process.Start("code",  filename);
}

class SysObject
{
	public string Table_Schema;
	public string Table_Name;
	public string Column_Name;
	public string Data_Type;
}