SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Identifier t.database
    Identifier t.name
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.tables (alias t)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      Subquery (alias db) (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 2)
          ExpressionList (children 2)
           Identifier name
           Identifier name (alias database)
          TablesInSelectQuery (children 1)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier system.databases
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t.database
        Identifier db.name
   Function and (children 1)
    ExpressionList (children 2)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t.database
       Literal \'system\'
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier t.name
       Literal \'one\'
 Identifier PrettyCompactNoEscapes