Over the course of a day,a department performed multiple DML statements (inserts, updates, deletes) on multiple rows of data in multiple tables. The manager would like a report showing the time, table name,and DML type for all changes that were made. Which Flashback technology would be the best choice to produce the list?()
Which are DML statements?()
Which are DML statements? ()
Which are DML statements? ()
The EMPLOYEES table has six indexes and DML operations are slow. Which command begins monitoring the EMPLOYEE_IDX_FK index to determine whether it has been used by an execution plan?()
Which of the following statements is used to revoke all DML privileges on table EMPLOYEE from user TOM?()
交互型DML
下列叙述中,哪些是SQL的功能特点?() Ⅰ.集DDL、DML和DCL功能于一体 Ⅱ.是高度非过程化语言 Ⅲ.采用面向集合的操作方式 Ⅳ.具有自含式和嵌入式两种灵活的使用方式 Ⅴ.语言简洁、易学易用、功能强
SQL DML分成数据查询和()两类。
DMl是一种新型的系统管理规范,它利用BIOS的程序自动检测系统各种资源如主板、显示卡、外设的工作状况,并能随时将工作状况报告给管理者。