*!* VFP 9.0 UPDATE
*!* 看下面列子就可以了
CREATE TABLE d:\t1(id i,nm c(10))
INSERT INTO t1(id,nm) VALUES (1,'a1')
INSERT INTO t1(id,nm) VALUES (2,'a2')
INSERT INTO t1(id,nm) VALUES (3,'a3')
INSERT INTO t1(id,nm) VALUES (4,'a4')
INSERT INTO t1(id,nm) VALUES (5,'a5')
BROWSE
SELECT id,SPACE(10) as nm FROM t1 INTO TABLE d:\t2 &&只复制ID字段内容
BROWSE
UPDATE t2 SET t2.nm=t1.nm from t1,t2 WHERE t1.id=t2.id &&更新NM字段内容
BROWSE