One of my friend asked me a question that “How we can insert values in a table with only one column which is identity, without using IDENTITY_INSERT ON?”. In this post “Insert into a table with one identity column only”, I am going to share a nice method to achieve this. We know that using […]
Have you ever come across the problem to delete all rows from all tables available in a database? One of my colleague asked me this question that how can we delete all rows from all tables of a database. So, in this post, we are going to discuss, how we can delete all rows from all tables of
After having a good discussion on “Table Relationships” in previous chapter, we are going to discuss Data Integrity in this chapter. First, we would discuss the term Data Integrity, followed by a discussion on data integrity types, and finally, we would go through an image which summarizes the data integrity concepts in one sight view.
We have already been familiar with “DBMS, RDBMS and SQL Server” in previous chapter. In this chapter named “Table Relationship”, we are going to understand the relationship between tables. In relational database management systems, tables are used to store every information in the form of columns and rows. Before moving to the topic “Table Relationship”,
Lets start this tutorial with the chapter “DBMS, RDBMS and SQL Server”. Before starting T-SQL part of the SQL Server tutorial, we will learn basic concepts of database systems. In this chapter, we will explore “Database management systems” and its relational extension “Relational database management systems”. We will also have an introduction to Microsoft SQL
To start with this tutorial, you need to download and install SQL Server (Latest version recommended) from Microsoft and to do some hands-on throughout this tutorial and for assignments purposes, you need to download and attach AdventureWorksDatabase also. Below you have some links, which might help you out in these prerequisites. Prerequisite Just two things
SQL Server Tutorial – Step by Step About this tutorial You are welcome at my first tutorial, titled as “SQL Server Tutorial“. If I am not wrong, it seems that you are keen to learn SQL Server database programming. This “SQL Server Tutorial” is specially written for novice programmers. It starts with simple Database concepts and takes a
In our previous blog post Different data types in case expression, we have explored the behavior of CASE expression in case of different data types in “THEN” and “ELSE” part. Now in this post “Mutable logical condition in CASE expression”, we are going to unfold the behavior of CASE expression when we have a non
In this blog post titled as “Different data types in case expression”, we will explore the behavior of CASE expression when dealing with different data types in THEN part (true) and ELSE part (false) of CASE expression. We will limit the scope of discussion of this post to data conversion issue only. If you are
An easy question for you “Unique Key is Clustered or Nonclustered”? Lets explain in more detail, When I create a Unique key on a table without explicitly defining the type of index(clustered or nonclustered), which type of index will be used to accommodate the key? I have already written a blog on behavior of primary
