Visually Exploring SQL Server 2005 Management Studio
Posted on June 11th, 2010
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Visually Exploring SQL Server 2005 Management Studio Overview
This book was written to help SQL Administrators and Developers transition from SQL Server 2000 to SQL Server 2005 Management Studio. Topics include: Visually Exploring SQL Server 2005 Management Studio (SSMS), new features of SQL Server 2005 Management Studio, The SSMS Environment and Registered Servers, Object Explorer, Query Editor and Template Explorer, Solution Explorer, and Other Management Tools and Features of SQL Server 2005 including SQLCMD, Dedicated Admin Connection, SQL Configuration Manager, SQL Server Surface Area Configuration Tool, Profiler, and Database Tuning Advisor (DTA).
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Tags: Exploring, Management, Server, Studio, Visually
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Microsoft Systems Management Server 2003 Administrator’s Companion (Administrators Companion)
Posted on June 10th, 2010
Microsoft Systems Management Server 2003 Administrator’s Companion (Administrators Companion) Review
If you are new to SMS and you want to start working with this technology then this is not the right book. NOT because it is to complicated – more because it is way to detailed. But the book is great as a reference. I think it is even a must for a SMS admin. The topics are explained very clear and so far I found all the information I was looking for.
If you are new to SMS and you want to start working with it I recommend use the SMS 2003 CBT Nugget and work additional with this book to get deeper into specific topics.
But again – as a reference for you daily work this book is great.
Microsoft Systems Management Server 2003 Administrator’s Companion (Administrators Companion) Overview
Deliver mission-critical software and updates—and help maximize your organization’s productivity—with the essential administrator’s reference to planning, deploying, and maintaining Microsoft Systems Management Server 2003.
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Tags: Administrators, Companion, Management, Microsoft, Pfanschmidt, Server, Stimulation, Systems, Vibratory
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Methods For Database Backup And Recovery
Posted on June 9th, 2010
When you hear people talking about databases, it may seem confusing at first. Here is some background information to give you a head start researching what is best for your situation. A database is a collection of data arranged together to make it easier and quicker to find specific information.
They are used in many applications and are the preferred method of storage for multi-user applications. They are also convenient for single users. Having information stored on a separate database can also help you if need to recover deleted files.
Of all of the databases available, the most popular is the relational database. A relational database makes it much easier to find information because it utilizes a set of tables to store information. The tables are made up of columns that store the information.
A hierarchal database is different in that it stores and organizes data in a tree like structure with an upward link to each saved record. Yet another type of database model is the network model. This type of database stores its data with links to other saved data records. Whether it is lost data or just the need to backup data, a database can be the answer.
There are several methods you can choose from for backup and recovery of databases. Some deal with full backup and some deal with selective backup. Make a checklist of files on your computer. This will help you decide what to backup and what isn’t really necessary or important, in case of lost data.
Full backups are exactly as they sound; a full copy of the database is stored on the backup media. Full backups can be done without taking the database offline. Full backups can take longer to complete than some of the others.
Next we have what is called the differential backup. The differential backup only stores a copy of the data that has changed since the last full backup was completed. It is very important to remember that if you do have a database failure, since a differential backup would not be helpful with recovering lost data. You would need both the full and differential backups to restore your database properly.
If you regularly make backup copies of your files and store them in a separate, safe place, then you can get most if not all of your information back if something happens to your originals. Transaction logs track all modifications that are done within your database, even unfinished transactions. Binary logs contain all events in the database that did or could contain modified data. Binary logs are used to support server replication and can be used as backup.
The best backup method depends on the storage engines used by the databases. You have several options for storing your backup copies. The CD-RW allows you to burn your files onto a compact disc. The DVD-RW burns your files onto a DVD.
Then there is the USB flash drive. This is a small hard drive that plugs into any available usb port on your computer and allows you to transfer your files. There are also online storage and backup services. You can save your files online and you can access them anytime you need them. Even though all the information may seem confusing, taking time to do some research will make it less daunting.
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Tags: abbreviate, Backup, Bombay, Database, documantry, exchange, Methods, Premium, Recovery
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SQL 2008 archetype – transactional
Posted on June 8th, 2010
SQL 2008 transactional replication
http://www.youtube.com/watch?v=nPC02JFSYZw&hl=en
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Pro SQL Server 2005 Replication (Definitive Guide)
Posted on June 6th, 2010
Pro SQL Server 2005 Replication (Definitive Guide) Review
Quick Review:
This is good book for any novice developer to start in the world of database replication implementation and maintenance. Replication is important part of highly availability and one book covers all the concept and methodology at one place.
Detail Review:
Replication is the process of sharing information so as to ensure consistency between redundant resources, such as software or hardware components, to improve reliability, fault-tolerance, or accessibility. Database replication can be used on many database management systems, usually with a master/slave relationship between the original and the copies. The master logs the updates, which then ripple through to the slaves. The slave outputs a message stating that it has received the update successfully, thus allowing the sending of subsequent updates.
This books talks about different replication types and methods. This book explains different scenarios where types of replication can be used. Sujoy Paul (SQL Server – MCP) explains the concept with many screenshots and simple examples. This book is not limited to replication types only but it also covers replication between heterogeneous databases and other objects.
Pros :
* Lots of screen shots
* Lots of explanation of how different procedures works
* Good coverage of different kind of replications
* Step by Step guidance
* Complete coverage of any methodology
* Truly useful to novice programmers
Cons:
* No discussion about potential errors can come across during replication process
* Some of the screen shots are hard to read (Apress should look into this matter)
* Some of the chapters are very blurry
Overall, this is great book for any novice developer who is beginning in the world of replication. Though this book covers many screenshots and material directly from Book On Line this is great collection of all the concept at any place. I have personally used this book when I was new DBA and have learned replication basics from this book.
Stars: 4 Stars
Summary: This a comprehensive single source of information will save lots of time as there is no need to go through multiple books to implement and maintain replication solutions.
Reference : Pinal Dave (Founder – SQLAuthority.com)
Pro SQL Server 2005 Replication (Definitive Guide) Overview
Replication is a way of copying and updating information in a database. This allows all users to see the same information and any changes made to it. Replication also duplicates the database across a number of computers so that, if one computer goes down, the information is not lost and can still be accessed. Pro SQL Server 2005 Replication, written by Sujoy Paul, a Microsoft Certified Professional for SQL Server, focuses on this most critical and complex of data management tasks.
This book is for Microsoft database developers and administrators who want to learn about the different types of replication and those best suited to SQL Server 2005. The book will also delve into advanced topics like replication of SQL Server with heterogeneous databases, replication of different database objects like stored procedures, backup and recovery of replicated databases, plus performance and tuning. This book is an ideal read whether youre a novice or advanced replication user.
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Tags: Definitive, Guide, Replication, Server
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ShoreTel Database Replication and Manipulation of MAXDBQUERIES!
Posted on June 5th, 2010
It really doesn’t matter what VoIP system you installed they all generally have one architectural characteristic in common; the configuration database. Depending on the system, you might find a database engine that ranges in complexity from an Access Database to a full blown SQL database. The database will store configuration information, status information and often, call detail records that document phone system activities. The characteristic of the database that is consistent across all architectures is the fact that there can only be one “read/write” copy of that database!
Some phone systems distribute the database across multiple servers. ShoreTel, for example, distributes components of the database to application servers and distributed voice mail servers that characterize the single image architecture in a multi-site environment. We need to better how a change to the database effects the operation of the system, the bandwidth of the WAN links and the demand on the database engine. First, what constitutes a change to the database? Well clearly any configuration change that is made to the system. For example, adding or deleting a User are clearly going to cause a database update! Lets take a more subtle example, however. Lets consider what happens to a Agent in a Workgroup, located at a remote site, behind a distributed voice mail server. Each change that Agent makes on their Call Manager represents a database change. Logging into the system, and Logging out of the system are database changes. How about, accepting a call being offered to the Agent by a Workgroup?
Each of these Changes is communicated to the database. The change is first made on the “read/write” database and then replicated to the remote database copy. ShoreTel system processes use MS Distributed Component Object Model (DCOM) objects to share information from the configuration database among themselves and to write configuration information to the database. User configuration options are written to the database from Personal Call Manager, and the telephone interface. Each ShoreTel service on a distributed server caches it own copy of the configuration database. When a distributed server loses connection to the HQ server (read “read/write” database) any changes made are no longer received by the distributed server. If a DVM restarts without a connection the HQ database, services are started but are not functional. When the network connection is restored, the configuration is retrieved and again cached by each service as the services become functional.
If there is a flap in the WAN we note that the DVM will in fact reload a copy of the database. This movement of the database between the HQ server and the DVM servers clearly uses bandwidth and also makes additional demands on the database engine. In ShoreTel the database engine, is now MySQL. The question becomes how many simultaneous database access (read, modify, write) transactions can the MySQL server handle at one time? What happens if the transaction can not be completed? Does it queue and retry? In a large system of say 700 workgroup agents at a site, is it possible to overload the MySQL database with state change requests? If you dig down through the Server registry you will find the MAXDBQUERIES is set by default to 100. It has been our experience that, defending on the size of the system, it is sometimes necessary to dial this number back to eliminate overloading the database. This adjustment should be made only on the DVM’s in the configuration and not on the HQ server. You will need to reboot your DVM servers after making this change. You should also note the difference between HEX and Decimal!
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Tags: Database, Manipulation, MAXDBQUERIES, Replication, ShoreTel
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