Database development

Esat Erkec
SQL unit testing - tSQLt framework tsqlt.ExpectException result image

SQL Unit Testing: Working with exceptions

May 21, 2019 by

With this article, we will complete our journey with SQL Unit Testing. But first, let’s remember the main theme of the SQL Unit Testing again briefly. With the help of the SQL Unit Testing, we can detect and find out the flaws and bugs in database projects. This reduces the possible loss of time and money and reputation during the use of the product. However, it should be kept in mind that no matter how many tests are carried out, there will still be some bugs in the project, but SQL unit tests provide a greater degree of confidence. The fact that there are no bugs or flaws in the application at that time does not mean that the application is perfect. We cannot test all combinations and probabilities of the database objects. That is why in real life, considering certain parameters (risk, priority, etc.) we must ensure that a “reasonably sufficient” test is done.

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Rajendra Gupta
SQL CASE statement


May 9, 2019 by

We use the SQL CHARINDEX function to find the position of a substring or expression in a given string. We might have a character in different positions of a string. SQL CHARINDEX returns the first position and ignores the rest of matching character positions in a string.

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Esat Erkec
SQL Unit testing results with tSQLt

SQL Unit Testing Mocking Stored Procedures

May 8, 2019 by

In this SQL Unit testing article, we will continue our journey with SQL unit testing. In the previous articles of this series (see the TOC at the bottom), we mentioned about SQL unit testing essentials and designing approaches as well and then we reinforce these notions with various tSQLt framework practical examples. In this article, we will continue to learn how to mock stored procedures in the tSQLt framework and we will provide it with two examples.

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Ed Pollack

Methods to Insert Data into SQL Server

April 10, 2019 by


There are a variety of ways of managing data to insert into SQL Server. How we generate and insert data into tables can have a profound impact on performance and maintainability! This topic is often overlooked as a beginner’s consideration, but mistakes in how we grow objects can create massive headaches for future developers and administrators.

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Esat Erkec
tSQLt framework unit test result

SQL unit testing best practices

April 8, 2019 by

SQL unit testing is a testing method which allows us to test the smallest, atomic programmable part of a database object. SQL unit testing plays a key role in the modern database development cycle because it allows us to test individual parts of the database objects work as expected. SQL unit testing adds a great worth to the database project because unit tests are more reliable then manual test methods.

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Ranga Babu
Data check

SQL Foreign key

April 5, 2019 by

In this article let us review different ways to create a SQL foreign key, rules on updates and deletes, enabling foreign key constraints, disabling foreign key constraints and not for replication in foreign keys.

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