Is SQL important for testers?

As a software tester, you are required to perform database testing that requires the knowledge of different SQL and database concepts. In addition, you are required to write SQL queries to retrieve, update and insert data in the databases.

How is SQL used in QA?

SQL skills is required to verify test data: insert, update, and delete the test data values in the database. You will need to use SQL queries against the SQL server database for this particular test approach.

What are basic questions in SQL?

SQL Interview Questions

  • What is the difference between SQL and MySQL?
  • What are the different subsets of SQL?
  • What do you mean by DBMS?
  • What do you mean by table and field in SQL?
  • What are joins in SQL?
  • What is the difference between CHAR and VARCHAR2 datatype in SQL?
  • What is the Primary key?
  • What are Constraints?

What is SQL testing?

In this blog, we will highlight the importance of good Structured Query Language (SQL) skills, specifically related to testing software. SQL is a standard computer language used to find, insert, update, and modify code data for database management.

How do I test a SQL query?

So I can test the query by comparing that expected result with the actual outcome of my SQL statement….How to unit test a SQL query?

  1. create a view from my SQL query, for example called my_query.
  2. (for each test case) create a test-query that compares the outcome from this view with the inline defined query result.

What is SQL test?

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.