TAILIEUCHUNG - MASTERING SQL SERVER 2000- P9

Tham khảo tài liệu 'mastering sql server 2000- p9', công nghệ thông tin, cơ sở dữ liệu phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | We re going to go out on a limb here and assume that you own stuff such as clothes food VCRs tools etc. Most people keep the stuff they own in their homes but where Do you just randomly throw your stuff in your house and hope you can find it again later Of course not you store your belongings in containers such as cabinets or dressers so that you can find your belongings when you need them. Now go one step further Do you keep all of your stuff in the same container Imagine the chaos that would ensue if you kept your tools food and clothes in the same cabinet you would not be able to find anything when you needed it. These principles hold true with SQL Server. The stuff you own in SQL Server is things such as tables views stored procedures and other objects. Much like with your clothes food tools etc. you need containers to store those objects in with SQL Server those containers are databases. Again go one step further Do you want to keep all of your objects in the same database Definitely not. Just as when you store all of your personal belongings in the same cabinet you would have a terrible time sorting out all of the data if it was all in one database. That is why you need to have more than one database each dedicated to a specific task such as an accounting database to hold all of the accounting objects and data or a sales database for the sales objects and data. It makes sense then that before you start creating objects such as tables and views you must create the database that will contain those objects. That is what this chapter deals with creating configuring and administrating databases. We ll start by reviewing the basics of how a database works. Database Basics As with anything you need to understand the basics before you can jump into the more advanced topics this is especially true with databases. As we mentioned in Chapter 3 a database is a series of files on your hard disk. These files are just space that has been preallocated on the hard disk for .

TỪ KHÓA LIÊN QUAN
TAILIEUCHUNG - Chia sẻ tài liệu không giới hạn
Địa chỉ : 444 Hoang Hoa Tham, Hanoi, Viet Nam
Website : tailieuchung.com
Email : tailieuchung20@gmail.com
Tailieuchung.com là thư viện tài liệu trực tuyến, nơi chia sẽ trao đổi hàng triệu tài liệu như luận văn đồ án, sách, giáo trình, đề thi.
Chúng tôi không chịu trách nhiệm liên quan đến các vấn đề bản quyền nội dung tài liệu được thành viên tự nguyện đăng tải lên, nếu phát hiện thấy tài liệu xấu hoặc tài liệu có bản quyền xin hãy email cho chúng tôi.
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.