Introducing databases

Store procedure (SP) là một tập các câu lệnh SQL (chương trình) được biên dịch và lưu trữ sẵn trên SQL Server. SP cho phép: - Chứa nhiều câu lệnh, có thể gọi các SP khác - Nhận các tham số đầu vào, đầu ra - Trả về trạng thái thực hiện (thành công hay thất bại) và nguyên nhân. Một số loại SP - System stored procedure: SP hệ thống, có tên bắt đầu bằng sp - User defined stored procedure: SP do người dùng định nghĩa...

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Lesson ADO.NET aims at introduce ADO.NET and SQL Server interaction (connection, command, data reader, stored procedure, disconnected data set, database independent coding). This lesson includes Connection parameters, Database; Authentication; Command setup; SqlCommand ExecuteReader.

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A versatile software tool,virtualmslab, is presented that can perform advanced complex virtual proteomic experiments with mass spectrometric analyses to assist in the characterization of proteins. The virtual experimen-tal results allow rapid, flexible and convenient exploration of sample prepar-ation strategies and are used to generate MS reference databases that can be matched with the real MS data obtained from the equivalent real experi-ments.

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DNS is a distributed database used in TCP/IP networks to translate computer names (host names) to IP addresses. This lesson introduces you to DNS and name resolution. It also discusses the skills necessary and provides information to install and configure the DNS service.

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Introducing Visual Studio .NET In the previous sections, you saw programs that connect to various databases, retrieve a row from a table, and display the column values for that row on your computer screen.

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Introducing Triggers A database trigger is a special kind of stored procedure that is run automatically by the database-or in trigger terms, fired-after a specified INSERT

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Introducing Transactions In Chapter 3, you saw how you can group SQL statements together into transactions. The transaction is then committed or rolled back as one unit.

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Introducing Stored Procedures SQL Server allows you to store procedures in a database. Stored procedures differ from user-defined functions in that procedures can return a much wider array of data types

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Introducing Databases A database is an organized collection of information. A relational database is a collection of related information that has been organized into structures known as tables

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