将文本中所有的 stu 替换为 Student ,下面哪些做法是正确的?
A.:1,$s/stu/Student/g
B.:1,$s/stu/Student/gc
C.:1,Ns/stu/Student/g
D.:1,$/stu/Student/g
A.:1,$s/stu/Student/g
B.:1,$s/stu/Student/gc
C.:1,Ns/stu/Student/g
D.:1,$/stu/Student/g
A、mary.language()会打印出All the students like Python
B、tom.language()会打印出All the students like Python
C、tom.work()会打印出Tom is programming
D、tom.language()会打印出Tom likes JAVA
A、__gt__
B、__ge__
C、__lt__
D、__le__
A) copy to stu B) copy all to stu
C) copy structure to stu D) copy to stu sdf
B.Select email from student where email not is null
C.Select email from student where email<>null
D.Select email from student where email is not null
A、select * into stufemal from student
B、select * into stufemal from student where ssex='女'
C、select * from student where ssex='女' into stufemal
D、select * from student into stufemal
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