

Fall 1:
-------------------------------------------------------

"A","B","C","D","E","F"
"33",NULL,"MNOP",NULL,NULL,"QRST"

Fall 2: 
-------------------------------------------------------

"A","B","C","D","E","F"
"33","","MNOP","","","QRST"

Fall 3: 
-------------------------------------------------------

"A","B","C","D","E","F"
"33",,"MNOP",,,"QRST"

Es existiert keine *allgemeine* (Format-)Vorschrift, wie ein DBMS CSV-Dateien ein- oder ausliest. 
Damit dürften der Daten-Import und der Daten-Export vom verwendeten DBMS abhängig sein!
