在student表上创建view_stu视图,正确的语句是( )。 A: CREATE VIEW view_stu IS SELECT * FROM student; B: CREATE VIEW view_stu AS SELECT * FROM student; C: CREATE VIEW view_stu SELECT * FROM student; D: CREATE VIEW SELECT * FROM student AS view_stu;
在student表上创建view_stu视图,正确的语句是( )。 A: CREATE VIEW view_stu IS SELECT * FROM student; B: CREATE VIEW view_stu AS SELECT * FROM student; C: CREATE VIEW view_stu SELECT * FROM student; D: CREATE VIEW SELECT * FROM student AS view_stu;
下面将视图view_stu中字段chinese值更新为100的语句中,正确的是() A: UPDATE<br/>view_stu SET chinese = 100; B: ALTER<br/>view_stu SET chinese = 100; C: UPDATE<br/>VIEW view_stu SET chinese = 100; D: ALTER<br/>VIEW view_stu SET chinese = 100;
下面将视图view_stu中字段chinese值更新为100的语句中,正确的是() A: UPDATE<br/>view_stu SET chinese = 100; B: ALTER<br/>view_stu SET chinese = 100; C: UPDATE<br/>VIEW view_stu SET chinese = 100; D: ALTER<br/>VIEW view_stu SET chinese = 100;
以下创建视图的语句中,正确的是 A: CREATE st_view AS SELECT sid,sname,ssex FROM stu B: CREATE VIEW st_view SELECT sid,sname,ssex FROM stu C: CREATE VIEW st_view AS sid,sname,ssex FROM stu D: CREATE VIEW st_view AS SELECT sid,sname,ssex FROM stu
以下创建视图的语句中,正确的是 A: CREATE st_view AS SELECT sid,sname,ssex FROM stu B: CREATE VIEW st_view SELECT sid,sname,ssex FROM stu C: CREATE VIEW st_view AS sid,sname,ssex FROM stu D: CREATE VIEW st_view AS SELECT sid,sname,ssex FROM stu
创建视图stu的语句为:CREATE VIEW ss AS【1】* FROM s_view WHERE score>=60
创建视图stu的语句为:CREATE VIEW ss AS【1】* FROM s_view WHERE score>=60
修改视图stu的结构应使用语句ALTER VIEW ss【1】SELECT * FROM s_view WHERE score>=60
修改视图stu的结构应使用语句ALTER VIEW ss【1】SELECT * FROM s_view WHERE score>=60
一个控制操作show定义在下面的控制器文件中:application/index/controller/Index.php一个视图模板文件stu.html保存在下面的路径中:application/index/view/index如果要在该操作中渲染视图模板文件,哪个是正确的渲染语句。 A: return view(""); B: return view("show"); C: return view("stu"); D: return view("index");
一个控制操作show定义在下面的控制器文件中:application/index/controller/Index.php一个视图模板文件stu.html保存在下面的路径中:application/index/view/index如果要在该操作中渲染视图模板文件,哪个是正确的渲染语句。 A: return view(""); B: return view("show"); C: return view("stu"); D: return view("index");
在VBA中打开“stu”表的语句是( )。 A: Docmd.OpenForm"stu" B: Docmd.OpenQuery"stu" C: Docmd.OpenTable"stu" D: Docmd.OpenReport"stu"
在VBA中打开“stu”表的语句是( )。 A: Docmd.OpenForm"stu" B: Docmd.OpenQuery"stu" C: Docmd.OpenTable"stu" D: Docmd.OpenReport"stu"
在vBA中打开"stu"表的语句是( )。 A: Docmd.OpenForm"stu" B: Docmd.OpenQuery"stu" C: Docmd.OpenTable"stu" D: Docmd.OpenReport"stu"
在vBA中打开"stu"表的语句是( )。 A: Docmd.OpenForm"stu" B: Docmd.OpenQuery"stu" C: Docmd.OpenTable"stu" D: Docmd.OpenReport"stu"
要将当前目录下的文件samplefile的文件从属用户与从属组都改为stu,应该使用哪个命令? A: chown stu:stu ./samplefile B: chown stu ./samplefile C: chmod stu:stu ./samplefile D: chmod stu ./samplefile
要将当前目录下的文件samplefile的文件从属用户与从属组都改为stu,应该使用哪个命令? A: chown stu:stu ./samplefile B: chown stu ./samplefile C: chmod stu:stu ./samplefile D: chmod stu ./samplefile
下列定义中,()是定义指向Stu对象数组的指针p。 A: Stu*p[5]; B: Stu(*p)[5]; C: (Stu*)p[5]; D: Stu*p();
下列定义中,()是定义指向Stu对象数组的指针p。 A: Stu*p[5]; B: Stu(*p)[5]; C: (Stu*)p[5]; D: Stu*p();