Which of the following can be used to ensure that once a row has been inserted in table TABLEX, the column MAINID in that row cannot be updated?（）
1、Which of the following strings can be
Which of the following strings can be inserted into an XML column using XMLPARSE?（）A"<employee/>"B"<?xml version='1.0' encoding='UTF-8&#...
2、Which of the following can be used in
Which of the following can be used in the questionnaire for assessing participation?ADid you get all the questions right in today’s class?BDid...
3、The following measures can be used to
The following measures can be used to improve oily water separator’s separating effect except （）Aoverhauling every two yearBworking at intervalsCrenewing filtration materialDpumping bilge water from different layers respectively
4、Which of the following can be used in
Which of the following can be used in hydraulic transmission system?（）AHydraulic oilBAnimal oilCLight oilDFuel oil
5、Which of the following cannot be used
Which of the following cannot be used as input to the SQL Tuning Advisor?（） (Choose all that apply.)A A single SQL statement provided by a...
6、Which of the following can be inferred
Which of the following can be inferred from the lase paragraph? 根据以下资料，回答下面的题目。In the 2006 film version of The De...