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How to Become a SQL Developer: 13 Essential Tips


To become a SQL developer is not so easy but its not tough though. You have to get the right degree, enough education, and certificates and work experience if you want to get a good job that pays you right. After all, nothing in the world comes easy… not even SQL. Some have also recommended getting an internship done. Nonetheless if you are someone who wants an SQL developer job soon, leave all stress behind and give this article a quick read. Here you will be told about best way to learn sql, how to become successful in the field of SQL and make a good impression in front of your clients.

become good sql developerTips to Become a SQL Developer:

1. What are the career requirements?

It is important for you to fulfill a couple of career requirements. In order to become successful in the field of SQL. You have to finish a bachelor’s degree course at first. The degree field should be computer science or computer information systems etc. Speaking of experience, make sure to have 2-5 years of experience. A few entry level sql jobs will already be available to you by this time. Some of the key skills include SSIS and good communication skills. The sql developer salary would be somewhere close to $17000 per year.

2. Complete a bachelor’s degree program:

The first step to this is completing a bachelor’s degree program. You should choose subjects such as computer science, computer information systems or maybe even a related major. There are plenty of students who have studied different types of programs which include networking, database management and even programming skills. Some of the coursework will include algebra, calculus and algorithms. Knowing math will definitely help you in this field.

3. Take part in an internship:

One of the best things you could do is take part in some internship and learn sql programming. This will always help you become successful in the field of SQL. There are several computer science degrees which offer students the chance to learn inside the IT sector. When you are doing so, there could be some who will fulfill some of the sql experience requirements for those who are SQL developers.

4. Get Good Work Experience:

If you want to become successful in any field, always remember to get some good work experience. In case you have worked for database systems earlier, you will learn how to grow, transform and gather more experience. In that way, when you attend an interview, the client will be very impressed with your previous encounters. Not only will you be making a good impression but also landing the job. An entry level sql position as developer or programmers will fetch you decent money annually as well.

5. Earn some Certificates:

It is important to get a few certificates before you sit for an interview. It always helps SQL developers or people belonging to any other field. There are some cases where the employers may be expected you to have certificates that are very specific in nature. If you possess them, you will get the job. Typically, you will be expected to pass one exam if you want to get a certificate.

6. Understand Joins:

Most of the SQL tables are easy to jot down. However there are some business requirements that tell you to write statements that are far more complex. For example getting hold of all orders and placing them accordingly for each customer and secondly displaying all the products for each other. Now if you belong to a situation of such kinds, it is a possibility that a certain customer table, order table and an order line table shall be present. People who are familiar with this field will already begin to realize that two table joins shall be needed for this query. Now that is simple enough to understand.

7. Self joins:

There is a final type of join you should always remember. It is called the self join. By the term self join we basically mean a join from the table to itself. If you would like to find out which of the employees have been supervised by the given employee, remember that in such cases, a self join will be required. This will help you clarify some really basic tenets of the join since it is one of the most important features that fall under SQL. No wonder it is such a powerful and well known data base today.

8. Know how to write a complaint code:

Most of the programming language seen so far has high standards which web developers should have an idea of. SQL programming is quite the same. SQL has been revised recently in terms of language and is submitted from time to time. The recent one took place in 2008 and by far is the most important revision that all developers should have an idea of. The 1999 one was introduced by several queries triggers and has several interesting features. It could also be said that the JOIN lines be finished in the FROM clause instead of the WHERE clause. When you are writing a complain code, just make sure to remember why the standard complaint code is useful.

9. Building New Stuff:

If you are new to the field of SQL development, you can always start off with building new stuff. You should first make it a point to check out some of the volunteer organizations that are local to you. Next you will have to see whether these guys need people to handle data management and then try to build new things for them… things that they would need. For this you will have to develop skills. And the only way to go about it is reading some books, blogs and other stuff. You should try to expand your knowledge as much as you can to reach the top.

10. Learn the basics:

If you want to be a good SQL developer, you must know everything about the basics. First of all, get to know everything about the Object Oriented Language. As you all must have an idea, SQL is a very specific language which stays within its domain. So if you want to create something that is outside the domain, make sure you do have some idea about the application developers and good SQL skills.

11. Normalize all your data:

Something that will take you far is normalizing data. Database normalization is a popular technique where you will have to get rid of all duplicate columns at first followed by which and create a new set of tables altogether. Secondly you must try and forge a relationship between the tables with the help of foreign keys. When you proceed to the next, make sure you have followed all the rules stated in the first and second. Next, remove all the columns and in the last stage let the join dependencies be implied by all the candidate keys.

12. Know all your DBMS Limitations:

Another thing you must remember is all your DBMS limitations. Usually databases happen to be quite powerful and have limitations. But the ones in SQL are of a unique kind. They have maximum database sizes, maximum number of tables and so many others. There are several other developers who unknowingly tend to choose a DBMS solution for their project without having the need to plan or even think about the later needs and necessities of the database.

13. Secure all your codes:

You must be knowing that database developer manage all databases which save information that is needed and valuable. Because of a fact like this, databases happen to be the top target for every attack. There are several developers who are unaware that their code could be quite vulnerable and that they can lose this at one go. This is not just something scary for your clients but you as well. There are several developers at this stage who could be held accountable legally if they can own up to their procrastination in a risk that has already been used and wasted.

In this article you were told about the 13 basic steps you need to take in order to become an SQL developer. However there are a couple of other SQL techniques that should definitely be mentioned. So if you have any ideas, thoughts and comments you would like to tell us, make sure you leave something below. Otherwise if you have questions, we would want to answer all of them. At least we can try to take care of all. Without you people, the internet would not be half as successful as it is now.