Which of the following CRS upgrades are allowed?（） ["CRS 2.2 to CRS 3.5 ","CRS 3.1 to CRS 4.0 ","CRS 2.2 to CRS 4.0 ","CRS 3.5 to CRS 4.0 ","CRS 4.0 to CRS 3.0 ","CRS 2.1 to CRS 4.0"]
执行Command的ExecuteScalar方法得到的是结果集中的第2行第2列。
热油系统供用户按温度不同分为二种，其温度为（） ["310℃，165℃","320℃，176℃","315.6℃，176.7℃"]
Examine the following command:ALTER SYSTEM SET enable_ddl_logging=FALSE;Which statement is true?（） [" None of the data definition language (DDL) statements are logged in the trace file."," Only DDL commands that resulted in errors are logged in the alert log file."," A new log.xml file that contains the DDL statements is created, and the DDL command details are removed from the alert log file."," Only DDL commands that resulted in the creation of new database files are logged."]
有氧耐力训练
剪应力的影响
