alFoxPro中,如果用语句:a="book",book="展望",?a,book后,结果是:book展望
对
举一反三
- 若要删除book表中所有数据，以下语句正确的是( )。 A: TRUNCATE TABLE book B: TRUNCATE book C: TRUNCATE FROM book D: TRUNCATE * TABLE book
- 若要删除book表中所有数据,以下语句正确的是( )。 A: delete table book B: delete * from book C: drop book D: delete from book
- 若要删除book表中所有数据，以下语句错误的是（） A: Atruncate table book B: Bdelete * from book C: Cdrop table book D: Ddelete from book
- 若要删除book表中所有数据,以下语句错误的是( )。(多选) A: drop * from book B: delete * from book C: drop table book D: delete from book
- 若要删除book表中的所有数据,以下语句正确的是() A: DROP<br/>FROM book B: DROP<br/>TABLE book C: DELETE<br/>FROM book D: DELETE<br/>TABLE book
内容
- 0
若要删除book表中所有数据，以下语句正确的是（选一项） A: truncate table book B: delete * from book C: drop table book D: delete table book
- 1
声明并实例化Book类型的一个新对象，正确的是（)。 A: Book b; B: Book b = new Book(); C: Book b = new Book[]; D: Book b =Book();
- 2
11.以下的标记名称中不合法的是 A: Book B: _ Book C: ：Book D: #Book
- 3
在PHP中，以下变量命名正确的是 A: $book B: _book C: $_book D: $-book
- 4
The Six Classics include the Book of Changes, ____, the Book of History, the Book of Rituals, the Book of Music and the Spring and Autumn Annals. A: the Book of Manners B: the Book of Nature C: the Book of Songs