Technology With Vivek Johari

Common table expression (CTE):- Common table expression or CTE can be described as the temporary, named record set return by the execution of the query (insert, delete, update, select or update view statement). It is not stored as an object in the database and it last only till the execution of the SQL Query. It… Read More »

Best Practices in database programming For any programming language, just writing the code is not well enough. It should be written using the best practices. This article will try to explain the disadvantages of writing code without using Best Practices and later on how best practices can be implemented in our database code. Code written… Read More »

Merge Command:- Merge command is a new feature introduced in the SQL Server 2008. It can perform Update, Insert and delete operations at a single statement which means all the data is processed and read only once instead of three times(In case of Insertion, deletion and update statements.) It has a target table and Source… Read More »

Pivot Table:- Pivot tables are used to summarize and display the data, specially in case of report data by means of aggregating the values. Pivot table can be used if we want to display the unique values of the column of a table as the columns of another table. It turns the unique values of a specified… Read More »

Sometimes our application required a database object which allows manipulation of data from a set of rows on row by row basic which means single row at a time. Cursor is the database object which solves this problem. With the use of cursor, we can fetch a sets of rows based on some conditions and manipulate the data of… Read More »

This article tells the Difference between Subquery, Nested Subquery and Correlated Subquery.

Views:- View can be described as virtual table which derived its data from one or more than one table columns.It is stored in the database. It is used to implements the security mechanism in the Sql Server. For example, suppose there is table called Employeeinfo whose structure is given below:- Create table EmployeeInfo(EmpId int, EmpName… Read More »

Stored Procedure:- Stored Procedure In Sql server can be defined as the set of logically group of sql statement which are grouped to perform a specific task. There are many benefits of using a stored procedure. The main benefit of using a stored procedure is that it increases the performance of the database.The other benefits… Read More »

Azure SQL Database- Introduction In this first article of the series Understanding Azure SQL Database in which I am going to publish in the coming weeks to understand Azure SQL Database concepts. After this series, you will have the good understanding of the following Azure SQL concepts What is Azure and Azure SQL Database Pricing… Read More »