Sql Server Advanced Features

Sql Server Advanced Sql Server Advanced FeaturesFeaturesMIS 424Professor Sandvig

OutlineOutlineSql Server Management StudioSecurityProgrammabilityExample

CaveatCaveatSql Server

very complex & feature-rich product

Many features not discussed

Focus on “developer” features 1704 pages

Database AdminDatabase Admin

SQL Server Management SQL Server Management StudioStudioProvides interface to

Sql ServerMore features than

Visual Studio◦Security

Users & permissions◦Programmability◦Diagrams

Relationships◦Optimization

SQL Server Management SQL Server Management StudioStudio

Features: Visual Studio vs. SQMS

SecuritySecurityAuthentication & AuthorizationSecurity is two step process:1. Authentication:

Identifying user Username & password

2. Authorization: Check permissions for specific actions:

Select, insert, update, delete…

AuthenticationAuthenticationSql Server supports:1. Windows Authentication2. Sql Server Authentication

Windows AuthenticationWindows AuthenticationUser identified by Windows OS

◦Windows promptAdvantage: use existing

Windows loginMany

organizations use Active Directory

Sql Server AuthenticationSql Server AuthenticationUser created on

SQL ServerSql Server manages

username/passwordBenefit:

◦Can create specialized users with limited permissions

◦Example: ZipCodeReader

AuthorizationAuthorizationEvery request must be authorizedCommon methods:

◦Create limited user ZipCodeReader

◦Anonymous user: Web site Network Service Account Built-in Windows

acct

SQL Server AuthorizationSQL Server AuthorizationSQL Server

allows granular control:◦Tables◦Fields◦Stored

procedures

ProgrammabilityProgrammabilityStore queries on

databaseReuse in many

applicationsDivision of duties

◦Devs & DBAsSecurity optionsHide underlying

tables

ProgrammabilityProgrammabilityStored procedures

◦Store query on database◦Accept arguments◦Assign permissions to procedure◦T-Sql supports complex queries◦CRUD support

ProgrammabilityProgrammabilityFunctions

◦Read only◦Support input parameters◦Utilized inside sql statements:

Select * FROM funGetNamesWhere NameF LIKE ‘s%’Order by NameL

◦May use in other functions, SPs, SQL queries

Example:Example:Sql Server Management Studio:

◦Create database◦Add table◦Create user◦Add user permissions to database