CREATE CURSOR myCursor (myVarCharField V(10),myCharField C(10), MyRecno I)
INSERT INTO myCursor (myVarCharField, myCharField, MyRecno) VALUES ("","",1)
INSERT INTO myCursor (myVarCharField, myCharField, MyRecno) VALUES ("?","?",2)
INSERT INTO myCursor (myVarCharField, myCharField, MyRecno) VALUES (" "," ",3)

SELECT * FROM mycursor WHERE myVarCharField = "?"
*-* Select record 1 and 2

SELECT * FROM mycursor WHERE myCharField = "?"
*-* Select record 2