以下打印语句已执行-
knayak=# INSERT INTO names(FirstName,MiddleName,LastName) VALUES ( 'John', 'Maynard','Keynes');
INSERT 0 1
knayak=# INSERT INTO names(FirstName,MiddleName,LastName) VALUES ( 'John','','Doe');
INSERT 0 1
knayak=# select * from v_names;
firstname | middlename | lastname | fullname
-----------+------------+----------+---------------------
John | Maynard | Keynes | John Maynard Keynes
John | | Doe | John Doe
但发现以下错误:
print ('Hello',end='\t')