Những gì là cần thiết để bảo mật cơ sở dữ liệu?Để đảm bảo một cơ sở dữ liệu nhiều người sử dụng đúng cách, bạn cần phảiBảo vệ một cơ sở dữ liệu Thay đổi quyền sở hữu của tất cả các đối tượng cơ sở dữ liệu từ Quản trị viên mặc định. | 26 How to Do Everything with Microsoft Office Excel 2003 How to. Split a window to see different parts of it Open extra windows to view different parts of the same worksheet Hide and redisplay windows Zoom the display Keep key rows and columns on screen Set the most important options to make Excel suit your work style Load and unload add-ins Configure AutoCorrect to save time and effort If you re going to spend any portion worth mentioning of your life using Excel you owe it to yourself to configure Excel to suit your working needs as closely as possible. In an ideal world you might dream of simply telling Excel to do your work for you. While this isn t possible yet you can automate many routine tasks by creating macros in Visual Basic for Applications VBA the programming language built into Excel. See Chapter 18 for information on VBA and how to record macros with it. More realistically you can set many configurable options to specify how Excel s interface looks and behaves. By choosing appropriate settings as discussed in this chapter you can make the time you spend using Excel not only more comfortable but also shorter and more productive. In this chapter you ll also learn how to display the appropriate sections of your worksheets so that you can see the information you need how to load add-ins extra components to provide added functionality when you need it and how to use the AutoCorrect feature to correct typos expand abbreviations you define and help enforce consistency in your worksheets. Improve Your View with Splits Extra Windows Hiding Zooming and Freezing You can greatly improve your view of data and your ability to work effectively in it by splitting the window to reveal one or three extra parts of it at the same time opening extra windows hiding windows you don t need zooming in and out to change your view of detail and freezing the display of rows and columns to keep relevant information on screen. Split the Excel Window to Show Separate Parts at Once
