以下文字与答案无关
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limit
B:group by
C:order by
D:union select
A、SEELCT
B、GROUP BY
C、LIMIT
D、ORDER BY
SELECT
B:FROM
C:WHERE
D:GROUP BY
select
B:projection
C:join
D:divide
--select
B:--where
C:--query
D:--filter
select bno from bank where bno not in(select bno from loan)
B:select bno from bank b left join loan l on b.bno=l.bno where cno is null
C:select bno from bank except select bno from loan;
D:select bno from bank b where not exists(select * from loan l where l.bno=b.bno)
select()
B:show()
C:filter()
D:map()
B
C
D
"soup=BeautifulSoup(doc,"lxml")print(soup.prettify())tags=soup.select("div ~ p")for tag in tags: print(tag)print()tags=soup.select("div + p")for tag in tags: print(tag)结果是 选项: A:
B
;
D
; B:
B
;
C
; C:
C
;
D
; D:
D
;
C
">14.from bs4 import BeautifulSoupdoc="
B
C
D
"soup=BeautifulSoup(doc,"lxml")print(soup.prettify())tags=soup.select("div ~ p")for tag in tags: print(tag)print()tags=soup.select("div + p")for tag in tags: print(tag)结果是 选项: A:
B
;
D
; B:
B
;
C
; C:
C
;
D
; D:
D
;
C
B
C
D
"soup=BeautifulSoup(doc,"lxml")print(soup.prettify())tags=soup.select("div ~ p")for tag in tags: print(tag)print()tags=soup.select("div + p")for tag in tags: print(tag)结果是选项: A:B
;D
; B:B
;C
; C:C
;D
; D:D
;C
">15.from bs4 import BeautifulSoupdoc="B
C
D
B
;D
; B:B
;C
; C:C
;D
; D:D
;C
select
B:checkbox
C:radio
D:check
select
B:insert
C:delete
D:update
data
B:a
C:a
D:an
SELECT
B:CREATE
C:GRANT
D:REVOKE
SELECT
B:CREAT
C:GRANT
D:REVOKE
SELECT
B:CREATE
C:GRANT
D:REVOKE
SELECT
B:GRANT
C:REVOKE
D:CREATE