下面的语句按顺序成功执行后
CREATE TABLE tab1 (c1 CHAR(1))
INSERT INTO tab1 VALUES (‘b‘)
CREATE VIEW view1 AS SELECT c1 FROM tab1 WHERE c1 =‘a‘
INSERT INTO view1 VALUES (‘a‘)
INSERT INTO tab1 VALUES (‘b‘)
执行SELECT c1 FROM tab1可以选择出多少条记录
A0
B1
C2
D3