An object that represents an SQL select, containing references to the tables to join, and the where clauses.
Inheritance: Query
 public Query Select()
 {
     var result = new SelectQuery();
     foreach (var field in Fields)
         result.AddSelectField(field);
     result.AddTable(this);
     return result;
 }
 public Query SelectWhere(WherePart condition)
 {
     var result = new SelectQuery();
     foreach (var field in Fields)
         result.AddSelectField(field);
     result.AddTable(this);
     result.AddWhere(condition);
     return result;
 }