1. 1 Introducing SQL Server  A Relational DBMS  A Powerful Client/Server DBMS Utilities range from:  Simple Database Creation/Maintenance To  Datawarehousing, OLAP Services, support for XML Applications..

2. 2 What to Install: SQL Server 2000 Versions: Many Versions – Varying in terms of:  Hardware Requirement  Capabilities  Cost The most used ones:  Enterprise Edition: Large and Powerful Databases  Developer Edition: Same as ‘Enterprise’ except, not licensed for ‘Production’  Standard Edition: Ideal for Medium Needs  Personal Edition: For personal use – Does not allow external connection

3. 3 SQL Server Services DTC - Distributed Transaction Coordinator  Handling Distributed Transactions Microsoft Search  Text Search - Indexing SQL Server Engine  The Core SQL Agent  Auxiliary Operator - Alerts, Jobs

4. 4 Interacting with SQL Server: Basic Tools Server Manager Managing (Stopping/Running) the services Enterprise Manager Database Creation/Maintenance DTS – Data Transformations Services Management Replication Security Support Services MetaData Services Query Analyzer Command-Line Interface

5. 5 Security Issues Windows/SQL ‘Identification-Authentication’ Server Roles Database Roles: Fixed ones User Defined ones Creating a user account Setting its ‘permissions’ (Authentication) Adhering a user to a Role

6. 6 Physical & Logical Aspects of a SQL Server DB Logical  a set of components: Diagrams, tables, views, stored procedures, users, roles, rules, defaults, user-defined data types. Physical – 2 basic types of files: Data Files  Primary (.mdf)  Secondary (.ndf) Log Files  (.ldf)

7. 7 System Databases Master Storing all system information, i.e. all other databases’ file locations, system configuration, logins, roles … Model Serves as a template Tempdb String temporary data Msdb Basically used by the SQL Agent for Jobs/Alerts

8. 8 Query Analyzer – Basic SQL Commands Create Database System – User Databases Create Table Available Data Types Select Functions, Group by, Having, nested selects Insert / Update /Delete Create View Creating Rules / Defaults Create Procedure System/user Stored Procedures Creating a User-defined data type – ‘sp_addtype’ Binding Rule / Defaults – ‘sp_bindrule/bindefault’ Create Trigger After / For / Instead of

9. 9 Accessing a Database using ADO/ASP.NET.NET in a Nutshell: A framework for the.NET Platform 2 main components:  CLR – Common Language Runtime: Cross-Language Integration Support for a large set of Programming languages: C#, VB.Net, Cobol, Eiffel, Perl …. .NET Libraries: ASP.NET Libraries ADO.NET Libraries

10. 10 Understanding ASP/ADO.NET A Typical Scenario: A user sends a request to an ‘xxx.com’ server to read his emails User receives as a response an ‘aspx’ file User fills ‘username/password’ and submits Web Server reads the submitted data using ASP.NET Web Server establishes a DB connection with a DB Server holding right ‘usernames/passwords’ using ADO.NET Once connection established, a ‘Select’ statement is sent to be executed against the DB server using ADO.NET Server receives the ‘answer’ and using ASP.NET implements a kind of:  If ‘user/password’ correct then give access  Else Redirect user to the Login Page

11. 11 ASP.NET New ASP Generation - ‘.aspx’ Vs. ‘.asp’ ASP.NET Types Code Behind Separating ‘Server-Side’ code from HTML  C#, VB.NET, Perl, Python …. Web Forms Sever Controls …

12. 12 ADO.NET Interacting with DBs Support for multiple Databases SQL Server, Oracle, FoxPro, Access … Basic Classes: Connection Command DataReader DataSet DataAdapter DataGrid

13. 13 Establishing a Connection Classes for Different Drives: SqlConnection OleDbConnection OracleConnection OdbcConnection For our case  SqlConnection ConnectionString.Open( ) &.Close( )

14. 14 Executing a Command SqlCommand.CommandText.Connection.ExecuteNonQuery( ).ExecuteQuery( ).ExecuteReader( ) Other Commands classes

15. 15 Getting Results -SqlDataReader Forward-Only For Quick Iteration/Checks against the DB User with Command.ExecuteReader().Read( ).GetValue(int index)

16. 16 Working in a ‘ConnectionLess’ mode - DataSet Behaves as a Local Database Optimal – Minimize roun-trips to the DB Server Can contain many tables DataTable, DataRow, DataColumn Implementing Relationships DataRelation Migrating Updates to the DB Server  You need a DataAdapter

17. 17 DataAdapter Bridge between the DB and the DataSet Populating DataSets.Fill( ).SelectCommand Migrating DataSets’ upadtes:.Update( ) UpdateCommand, DeleteCommand, InsetCommand, Automatic: CommandBuilder

18. 18 DataGrids  Displaying Data in a ‘Fashionable’ way Setting the outlook Built-in Styles Attaching a DataGrid to a specific Table.DataSource( ) Getting Data.DataBind( )