Which built-in allows you to update the screen display to reflect the information that Forms has in its internal representation of the screen? （） SYNCHRONIZE 。 UPDATE_FORM 。 SYNCHRONIZE_FORM 。 GET_MEMORY_DISPLAY 。 SET_MEMORY_DISPLAY。
You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty.Which statement accomplishes this task?（） ALTER TABLE students ADD PRIMARY KEY student_id;。 ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id);。 ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);。 ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id)。
城市公共汽车运营方式有哪些？各自有何特点？
Consider the following scenario： You have a directory， data， under the disk group tdgroup A. You want to create an alias for one of the data files and you execute the following command： ALTER DISKGROUP tdgroupA ADD ALIAS ’+tdgroupA/data/datafile.dbf’ FOR ’+tdgroupA. 231.45678’； Which task would be accomplished by the command？（） A。 B。 C。 D。 E。
张某，男性，21岁，左小腿被钝性暴力打击，形成闭合性损伤，其局部处理下列哪项是错误的（） 局部制动。 抬高患肢。 血肿加压包扎。 早期局部热敷。 血肿若进行性增大，需切开止血。
Identify the logical structure that will never have more than one data segment created for it.（）
