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_dbcolumns, _dbforeignkey, _dbprimarykey, _dbtables

Format: _dbcolumns (table-description)
Format: _dbforeignkey (table-description [ , table-description ])
Format: _dbprimarykey (table-description)
Format: _dbtables ()
Format: _dbtypes ([ sql type])

Purpose: Get data definition information about database tables and database types. The table-description argument must be an object and is usually an object field of the object returned by _dbtables().

Return Values: All functions return an object.

Note: These are heitml internal functions. The contents of the objects returned by these functions are not documented here, since they may change in future releases of heitml.


<let t=_dbtables();
  if !isempty(t);
  forin i t;
    if ContainsCase(t[i].tablename,"guestbook");break;/if;
><? t[i].tablename> = (<? t[i] ",\n %tQnNn">)
columns = <? _dbcolumns(t[i])>
primary key = <? _dbprimarykey(t[i])>
DB-specific LONGVARCHAR type: <? _dbtypes(-1) >

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