Microsoft Certification Examples, exercises, practises, tutorials, solutions about Database

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PowerShell in SQL Server 2008

When you first get into SQL Server PowerShell, you might notice that this is a restricted version of the default PowerShell console. In other words, several of the core cmdlets are not available in SQL Server PowerShell, and others might not work exactly the same way.

Protecting SQL Server Data : SCHEMA ARCHITECTURE STRATEGIES - Using Database Object Schemas

When a user is denied access to a database object schema, they cannot view or access any of the database objects within it. This offers a level of obscurity to portions of the overall database schema design and can be used to separate highly sensitive data from less sensitive data

Protecting SQL Server Data : SCHEMA ARCHITECTURE STRATEGIES - Protection via Normalization

Defining the storage structure of data is an important step in the creation of a database. The process of breaking up a mass "lump" of data into logical and relational collections is called normalization.

Troubleshooting and Optimizing SQL Server 2005 : Server Configuration Maintenance

Several maintenance activities should be performed regularly. Over time, a database becomes fragmented and is likely to become much larger than needed. You might want to shrink database files because setting them to automatically shrink causes a performance hit on the system.

Troubleshooting and Optimizing SQL Server 2005 : Tuning the Database Structure

From the first stages of the database design, you make decisions that directly affect performance. Many tools are available to assist with the tuning of a database after you begin the implementation, but it is important to consider the design from the outset.

Troubleshooting and Optimizing SQL Server 2005 : Data Analysis and Problem Diagnosis

Most systems are not optimized from the outset. Imperfections should be expected as part of automation. It is a good thing that in this day and age, tools are available to troubleshoot problems, analyze performance, and implement changes to improve systems.

SQL Injection Attacks and Defense : Exploiting the Operating System - Consolidating Access

In 2002, Chris Anley published his “three-byte patch” for SQL Server which would effectively disable authentication on the system by reversing the logic of the conditional Jump code branch

SQL Injection Attacks and Defense : Executing Operating System Commands

Executing commands through the database server serves multiple purposes. Other than the massive amount of fame and fortune that such activity attracts, command execution is normally searched for because of the high level of privileges with which most database servers run.

Administering SQL Server 2008 with PowerShell : PowerShell Scripting Basics (part 2)

The preceding code provides a simple example and shows how interactive the PowerShell console can be. The >> character is simply PowerShell informing the user that the commands entered are basically not complete, and more input is required.

Administering SQL Server 2008 with PowerShell : PowerShell Scripting Basics (part 1)

When you perform certain actions in a script, a function, and even from the command line, the scope assigned to the variable or function determines how this variable will be seen by other scripts, functions, and so on.

Administering SQL Server 2008 with PowerShell : Overview of PowerShell

In 2008, Microsoft announced that PowerShell is now part of its Common Engineering Criteria for 2009 and beyond. This announcement basically means that all of Microsoft’s server products should have some level of PowerShell support.

SQL Server 2008 Scheduling and Notification : Scripting Jobs and Alerts, Multiserver Job Management & Event Forwarding

With SQL Server 2008, you can also filter the jobs you want to script by using the filtering capabilities that are available on the Object Explorer Details.

SQL Server 2008 Scheduling and Notification : Managing Alerts

The SQL Server Agent can monitor events that occur on the database server and automatically respond to these events with alerts. Alerts can be fired based on SQL Server events, performance conditions, and Windows Management Instrumentation events.

SQL Injection Attacks and Defense : Accessing the File System (part 2) - Writing Files

All of the common RDBMSs have built-in functionality for writing files to the server file system. These can be abused within SQL injection attacks to a lesser or greater degree depending on the family type of the underlying system.

SQL Injection Attacks and Defense : Accessing the File System (part 1) - Reading Files

Microsoft SQL Server is one of the flagship products of the Microsoft Security Development Lifecycle (SDL) process, but it still has a well-deserved bad rap with regard to SQL injection attacks.

SQL Server 2008 Scheduling and Notification : Managing Jobs

Jobs provide the basis for SQL Server automation and allow for the execution of many different types of operations, including T-SQL, SQL Server Integration Services (SSIS) packages, and operating system commands.

SQL Server 2008 Scheduling and Notification : Managing Operators

Operators are accounts that can receive notification when an event occurs. These accounts are not linked directly to the user and login accounts that are defined on the server.

SQL Server 2008 Scheduling and Notification : Configuring the SQL Server Agent

The primary configuration settings for the SQL Server Agent are located within the Object Explorer and SQL Server Configuration Manager.

SQL Server 2008 : Database Mail - Related Views and Procedures

To report on the status of all your Database Mail objects without relying on wizards and properties pages, you need some tabular views and stored procedures.

SQL Server 2008 : Database Mail - Using SQL Server Agent Mail

QL Server 2008 provides the option of using either SQL Mail or Database Mail to do the sending, but SQL Mail will soon be phased out, and Database Mail is by far the more robust choice

SQL Server 2008 : Sending and Receiving with Database Mail

SQL Server relies on Service Broker (SSB) to activate the Database Mail process (DatabaseMail.exe) used to send mail. DatabaseMail.exe uses ADO.NET to connect to SQL Server and to read from and write to SSB queues (found in msdb) that hold send requests and send statuses in the form of typed SSB messages

SQL Server 2008 : Setting Up Database Mail

In Database Mail, you use mail profiles. A mail profile is simply a securable container for a group of SMTP accounts that is used when sending mail. In contrast to SQL Mail, with Database Mail, you can set up multiple profiles containing multiple accounts, allowing for finer-grained administrative control.

SQL Server 2008 : Security and Compliance - Setting Up Auditing via T-SQL & SQL Injection Is Easy to Do

If you have a typical .NET forms application that prompts users to provide filter criteria to locate information, this is often a perfect place for hackers to add their own malicious code to do damage

SQL Server 2008 : Security and Compliance - SQL Server Auditing

An audit is the combination of several elements into a single package for a specific group of server actions or database actions. The components of SQL Server Audit combine to produce an output that is called an audit.

SQL Server 2008 : Security and Compliance

On the global level, hundreds of compliance laws are in place that affect almost every aspect of data access, data protection, data movement, and even data storage.

SQL Server 2008 : Transparent Data Encryption

The encryption of a database using TDE helps prevent the unauthorized access of data in the scenario in which physical media or backups have been lost or stolen.

SQL Server 2008 : Data Encryption - Column-Level Encryption

Column-level encryption (sometimes referred to as cell-level encryption) was introduced in Microsoft SQL Server 2005 and is still fully supported in SQL Server 2008 R2.

SQL Server 2008 : Data Encryption - SQL Server Key Management

Each key protects its child keys, which in turn protect their child keys, down through the tree. The one exception is when a password is used to protect a symmetric key or certificate. This is how SQL Server lets users manage their own keys and take responsibility for keeping the key secret.

SQL Server 2008 : Data Encryption

SQL Server 2008 introduces a new form of database encryption: transparent data encryption. TDE allows you to encrypt an entire database without affecting client applications.

SQL Server 2008 : Client Data Access Technologies

A provider is software used for accessing various data stores in a consistent manner conforming to a specification, such as OLE DB. A provider may contain an API. Clients that use providers are known as consumers. SMSS and SQLCMD, for example, are consumers of the SNAC OLE DB provider.