How many of you use Execution Plans to tune your queries? Do you understand the impact of different indexes? Mr. Vijayakumar looks at his experiments with different types of indexes and their effects on the execution plan use. A great article for those of you that want to learn more about how you can tune your server for better performance.
2017-02-02 (first published: 2004-05-06)
52,928 reads
Display row value as a TABLE column using SQL select statement
2012-01-12 (first published: 2007-10-26)
4,692 reads
After completing a project with SQL Server 2005 Integration Services, author G Vijayakumar brings us his technique for an automated scheduling of various source data into a data warehouse with multiple packages.
2007-10-30
11,966 reads
Performance tuning is an ongoing battle in SQL Server, but having a little knowledge up front when designing an application can greatly reduce the efforts. Do you know which performs better: stored procedures or triggers? There aren't many places where the two are interchangeable, but knowing the impacts of each might change the way you build an application. Read about this analysis by Vijaya Kumar.
2007-10-02 (first published: 2004-08-30)
40,201 reads
This SP is used to identify and replace the owner of the database objects. This SP will give display object id, object name, owner id, owner name and concatenate object + owner name with brackets. SP does change the owner for the following objects. SP should available in "master" database to execute in more than […]
2005-12-06 (first published: 2005-05-10)
316 reads
Script will drop the Default, Primary, Unique, Foreign Constraints, Index and ROWGUID on Unique Identifier data type column and finally it alters the unique identifier to varchar (38) data type. I have compile and execute the script in my database server. Script has executed successfully.
2005-01-12 (first published: 2004-12-24)
681 reads
The ORDER BY clause is one of the basic keywords that defines the SQL Language. And it can help prevent strange results from being returned to the average user. Read on to see how and why this addition to your queries can help ensure more "ordered" results 🙂
2004-05-19
11,483 reads
This sp will return the column names for a table(s) and form a "Select Statement" for a table(s). We can pass a table name as a parameter to display a "Select Statement" for that table.
2004-03-04
105 reads
This sp will return the dependency details of the select table or all tables as a resultset. This resultset will display the dependency details if it is used in 1. select * from table or2. insert/delete/update dml statement or 3. select col1, col2 from table.
2004-02-25
210 reads
We can use this sp to clear data in tables. I mainly created this sp for two reason. 1.This is useful to commence the testing from scratch. 2.Whenever we ask the database backup from our customer. They hesitant to give the production database because of confidential. I have used Delete and Truncate statement to clear […]
2003-11-06
155 reads
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Hi, I have two tables: one for headers with 9 fields and another for...
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Let’s consider the following script that can be executed without any error on both SQL Sever and PostgreSQL. We define the table t1 in which we insert three records:
create table t1 (id int primary key, city varchar(50)); insert into t1 values (1, 'Rome'), (2, 'New York'), (3, NULL);If we execute the following query, how will the records be sorted in both environments?
select city from t1 order by city;See possible answers