DotNetKicks.com - Stories tagged with SQLAuthority

Transaction and Local Variables - Swap Variables - Update All At Once

Tue, 21 Oct 2008 17:37:55 GMT

Summary : Transaction have no effect over memory variables. When UPDATE statement is applied over any table (physical or memory) all the updates are applied at one time together when the statement is committed.

SQL Server 2008 - Cheat Sheet - One Page PDF Download

Wed, 08 Oct 2008 09:31:02 GMT

Very frequently I have been asked to create a page, post or article where in one page all the important concepts of SQL Server are covered. SQL Server 2008 is very large subject and can not be even covered 1000 of pages. In daily life of DBA there are few commands very frequently used and for novice developers it is good to keep all the important SQL Script and SQL Statements handy. I have attempted to create cheat sheet for SQL Server 2008 most important commands. User can print this in one A4 size page and keep along with them. This can be used in interviews where T-SQL scripts are being asked. Let me know your opinion and if you find this useful. Bookmark it for future use.

SQL SERVER - Guidelines and Coding Standards Complete List Download

Tue, 30 Sep 2008 16:16:12 GMT

Coding standards and guidelines are very important for any developer on the path of successful career. A coding standard is a set of guidelines, rules and regulations on how to write code. Coding standards should be flexible enough or should take care of the situation where they should not prevent best practices for coding. They are basically the guidelines that one should follow for better understanding. The concept behind implementing coding standards and guidelines, is that the consistency and uniformity in programming so that if multiple people are working on the same code, it becomes easier to communicate, share with or understand each other's work. With the goal of promoting good coding standards and guidelines I have created document which can guide developers.

SQL SERVER - 2008 - Interview Questions and Answers - Download PDF

Mon, 22 Sep 2008 16:16:04 GMT

Interview is very important event for any person. A good interview leads to good career if candidate is willing to learn. I always enjoy interview questions and answers series. This is my very humble attempt to write SQL Server 2008 interview questions and answers. SQL Server is very large subject and not everything is usually asked in interview. In interview what matters the most is conceptual knowledge and learning attitude. I have listed all the series in this post so that it can be easily downloaded and used. All the questions are collected and listed in one PDF which is here to download. If you have any question or if you want to add to any of the question please send me mail or write a comment. Bookmark this first ever set of interview questions and answers.

SQL SERVER - 2008 - Creating Full Text Catalog and Full Text Search

Wed, 10 Sep 2008 19:16:06 GMT

This is the first ever and complete example for SQL Server 2008 - Full Text Catalog and Full Text Search. Make sure to book mark for future reference.

Introduction to Table-Valued Parameters with Example

Wed, 03 Sep 2008 21:19:55 GMT

Table-Valued Parameters is a new feature introduced in SQL SERVER 2008. In earlier versions of SQL SERVER it is not possible to pass a table variable in stored procedure as a parameter, but now in SQL SERVER 2008 we can use Table-Valued Parameter to send multiple rows of data to a stored procedure or a function without creating a temporary table or passing so many parameters. This is one feature all the SQL Server developer were waiting for long time. This article explains how it can be used with very simple words.

Introduction to Filtered Index - Improve performance

Wed, 03 Sep 2008 21:18:36 GMT

Filtered Index is a new feature in SQL SERVER 2008. Filtered Index is used to index a portion of rows in a table that means it applies filter on INDEX which improves query performance, reduce index maintenance costs, and reduce index storage costs compared with full-table indexes. When we see an Index created with some WHERE clause then that is actually a FILTERED INDEX. I am sure this feature will change how the indexes are created in SQL Server.

SQL SERVER - 2008 - Configure Database Mail - Send Email From SQL Data

Sun, 24 Aug 2008 17:46:02 GMT

First and Complete article of SQL Server 2008 Database Mail configuration. From start to end - Complete article. Bookmark it!

SQL SERVER - 2005 - Difference Between INTERSECT and INNER JOIN

Tue, 05 Aug 2008 14:46:03 GMT

INTERSECT operator in SQL Server 2005 is used to retrieve the common records from both the left and the right query of the Intersect Operator. INTERSECT operator returns almost same results as INNER JOIN clause many times. When using INTERSECT operator the number and the order of the columns must be the same in all queries as well data type must be compatible. Let us see understand how INTERSECT and INNER JOIN are related.We will be using AdventureWorks database to demonstrate our example.

SQL Server in One Page - Download it Now

Tue, 29 Apr 2008 02:01:02 GMT

One of the most popular request I have received on this blog is to create one page which list all the SQL Server FAQs. SQL Server technology is very broad as well very deep. This is my humble attempt to list few of the daily used details in one page. Let me know your opinion and suggestion. Download SQL Server FAQ Sheet in PDF format

SQL Server Pre-Code Review Tips - A list of tips for enforcing coding

Fri, 12 Oct 2007 13:38:52 GMT

Each organization has its own coding standards and enforcement rules. It is sometime difficult for DBAs to change code following code review, as it may affect many different layers of the application. In large organizations, many stored procedures are written and modified every day. It is smart to keep watch on all stored procedures, at frequent intervals, before code comes to final code review.

Difference Between EXEC and EXECUTE vs EXEC()

Sun, 16 Sep 2007 23:01:01 GMT

I have seen enough times developer getting confused between EXEC and EXEC(). EXEC command executes stored procedure where as EXEC() function takes dynamic string as input and executes them ... Read More...

Scrum: Agile Software Development for Project Management

Thu, 13 Sep 2007 06:31:03 GMT

Scrum is organized around the following roles: * Product Owner - Determines what functionality is needed * ScrumMaster - Leads the Scrum and is primarily responsible for making sure the Scrum process is followed and removing impediments that keep the Team from working * The Team - Those who do the actual work that translates what the Product Owner has requested into usable functionality Read more ...

SQL SERVER - Replication Keywords Explanation and Basic Terms

Thu, 02 Aug 2007 21:52:48 GMT

While discussing replication with Jr. DBAs at work, I realize some of them have not experienced replication feature of SQL SERVER. Following is quick reference of replication keywords I created for easy conversation.

SQL SERVER - Restore Database Without or With Backup - Everything Abou

Tue, 31 Jul 2007 20:09:43 GMT

The questions I received in last two weeks: "I do not have backup, is it possible to restore database to previous state?" "How can restore the database without using backup file?" "I accidentally deleted tables in my database, how can I revert back?" "How to revert the changes, I have only logs but no complete backup?" "How to rollback the database changes, my backup file is corrupted?" Answer: You need complete backup to rollback your changes. If you do not have complete backup you can not revert back. Sorry.

SQL SERVER - Insert Multiple Records Using One Insert Statement

Wed, 18 Jul 2007 05:46:02 GMT

How can I insert multiple values in table using only one insert? Now this is interesting question. When there are multiple records are to be inserted in the table following is the common way using T-SQL.

SQL SERVER - Count Duplicate Records - Rows

Mon, 16 Jul 2007 16:16:02 GMT

In this article we will see how to find count of all the duplicate records in the table. Following query demonstrates usage of GROUP BY, HAVING, ORDER BY in one query and returns the results with duplicate column and its count in descending order.

SQL SERVER - 2005 Best Practices Analyzer Tutorial - Sample Example

Wed, 11 Jul 2007 08:01:01 GMT

Following tutorial about BPA is ran on one of my old laptop, which has SQL Server 2005 installed. The SQL Server had many issues and they all are displayed in the result. Please note this is not production server and all the errors are intentionally generated. This tutorial is explained using images, which are very easy to understand.