Fast technological development meets algorithms for data management.
And we get SQL developer jobs.
First things first:
What Is SQL?
The Structured Query Language, more commonly known as SQL, is a database language that came to light in the 1970s. IBM developer Donald D. Chamberlin and Raymond F. Boyce created it on the basis of Ted Codd’s relational model.
This language was created in order for them to manage the data on IBM’s Quai-Relational database Management System. At that time, it was known as SEQUEL or the Structured English Query Language. The developer had to change it to SQL in 1972 as SEQUEL was trademarked by the manufacturing companies Hawker Siddeley.
Later, IBM started to develop this language for more accessible use. Soon they launched its commercial versions. The newest version came in 2019 under the name SQL:2019.
What Are The Uses Of SQL?
SQL is a domain-specific language that offers advanced database management protocols with very precise and hassle-free management options. It uses a well-defined system or tables with user-provided attributes to record and retrieve data at a very fast speed. It is highly useful and efficient in handling structured data.
The SQL database also offers high data handling capacity and total scaling control, making it a perfect option for tasks like Big Data storage/management.
Its features make it useful for a wide variety of applications and websites. In fact, almost every major company around the globe uses this domain-specific language for creating and managing their databases.
For example, it makes recoding the data from sources like websites or apps into tabular form a breeze.
It also offers a schematic sorting and real-time modification feature to simplify their work. The best part is that once programmed, it doesn’t even need human interaction to carry out its regular work.
Some of the other SQL features include:
Direct access to data in the relational database management systems.
Options to describe the data.
Access and manipulate specific entries of the database.
Hassle-free embedment compatibility with other programming languages using libraries and compilers.
Full controls to create, drop and edit tables and data.
Allowing multiple permission protocols on the databases.
Main Components Of SQL
Every SQL command that you run or execute for an RDBMS system will pass through a series of components before execution. The following are the three components that you will be used to control all its elements.
DDL: This section stands for Data Definition Language and covers the command, such as for major action like creating or deleting the database. The CREATE, ALTER, and DROP command come under this part.
DML: The next in line is the Data Manipulation Commands. The section will cover commands like SELECT, INSERT, UPDATE, And DELETE, that you will use to modify the databases.
DCL: DCL in SQL relational model standards for data control Language. There are mainly two commands under this part-Grant and Revoke. Both of these have only one function, to control the access right of the user.
SQL Developer Job Description
Disclaimer: The following data shares the general job description of SQL and the jobs related to it. The exact criteria and requirements for it depends on the employers and may deviate.
SQL Developer Roles And Responsibilities
What are the responsibilities of a SQL developer exactly?
Well, anything that relates to database building and management in an app or website.
It is the oldest and the best-known language for these purposes. It can also be used for advanced apps or websites.
The standard duties you have to perform in SQL developer jobs will depend on factors like department, experience, and firm.
Here are the main roles of SQL developers and what their responsibilities include:
Database Handlers
Database handlers are responsible for creating, managing and monitoring databases and their underlying structure. They also improve the existing databases with new structures and data. Some of the most important job responsibilities of database handlers are:
Designing the data feeds to pull files from multiple sources to the tables.
Creating table or database views to simply analysis and implementation of data.
Identifying, testing and in most cases resolving errors or bugs in the databases.
Creating an index of databases for enhancing accessibility and management.
Upgrading the databases with new categories and attributes to meet the user requirements.
Developing a new system or amending the existing ones for better speed and improved searches.
Tuning up the databases for faster queries and less CPU usage.
Designing entity development diagrams for data modeling.
Checking the system performance, preparing its report and maintaining the system for optimal quality.
SQL Task Handlers
These professionals test the accuracy and performance of the SQL servers. They establish joins, normalize tables, create indexes and optimize everything for faster queries. They also create SQL queries using inner or outer table joins, and temporary tables. Other job responsibilities include:
Optimizing the existing SQL queries for improved performance.
Creating mail alerts for failure in SQL.
Writing subqueries and SQL codes to define rules for the databases.
Managing SQL jobs schedules and sending reports to production servers.
Setting up the SQL server, improving it and testing it for functionality.
Using SQL to check and validate data in the databases.
Installing SQL server management tools and securing them with different protocols.
Debugging SQL code for error-free data management works.
Business Analysts
Business analysts study business requirements and develop storage procedures for SQL development. They convert business requirements into applications and models. Other responsibilities include:
Writing database triggers to implement queries in business data.
Developing drill-through, burst, and other similar types of business reports.
Performing regular testing of the system for error, modification, and other similar aspects.
Creating logical models to describe data and its relation in the databases.
Working with stakeholders to create, improve and record business insides.
Data Warehousing
Data warehousing professionals enhance the performance of data storage using ETL, query management and optimizers. They analyze, discover and work on different phrases of data warehousing.
They are also responsible for maintaining and improving the existing data warehousing systems. Some other important job responsibilities are:
Developing procedures or algorithms to convert the enterprise data and store it in SQL servers.
Designing tables and scheduling databases for real-time database management.
Deploying SSIS packages to load data into the warehouses.
Configuring and regulating the working cycles of the data warehouse.
Performing normalization and denormalization of data tables to speed up the data retrieval processes.
What is the salary of a SQL developer?
Googling “SQL developer jobs near me” will give you a pretty clear idea about how many opportunities you have. Oracle PL/SQL developer salary is often the second thing people research.
The salary of SQL developers will depend on multiple factors, including their work location, experience, and job type. According to Indeed, the salary of a standard developer in the US can range anywhere from $31000 to $167000 per year. The average salary for the country is around $85, 514 per year, with the highest amount being earned by the senior SQL developer of the firm.
In the USA, SQL jobs are considered to be the best employment opportunities in terms of openings and satisfaction. Ideally, search for entry-level SQL jobs in NYC and senior SQLjobs in Dallas.
List of annual salaries for SQL jobs in the US:
New York – $125,394
Pittsburgh – $66,284
Chicago – $104,286
Santa Monica – $79,382
Charlotte – $92,672
Note that entry-level SQL developer jobs salary is often much less than senior positions.
Freelance Opportunities
Freelancing is on the rise these days. So naturally, you can easily find a lot of remote SQL developer jobs online.
Freelancing is an excellent opportunity to add experience in your SQL developer resume! It will also add credibility to your SQL resume and make you a more preferable candidate for large-scale companies. It can be beneficial for increasing the entry-level SQL developer jobs salary, too!
You can also use the freelancing channels as a way to earn a decent living.
The popular freelancing platform Upwork revealed in a post that SQL developers could earn up to $300 per hour for their SQL skills. Even beginners can earn up to $45 per hour for tasks like bug fixing.
Of course, the rates will not be the same for everyone. However, you can earn enough for a head start for your own business. Besides, as you gain more experience, you’ll start earning more.
SQL Jobs: Education
The education you need depends greatly on what role you’re aiming for.
However, if you wish to work for an established company as a full-time developer, you will need at least a Bachelor’s degree.
Here’s a list of requirements that you will need to become a qualified SQL developer for a reputable firm:
Bachelor’s Degree
Bachelor’s degree is the bottom-line educational requirement for becoming a developer. A Bachelor’s degree in Computer Science, Computer Information System, or any such trait will be perfect for the job.
You will also need to study algebra, calculus, computer algorithms, and database management to become fluent in SQL.
Experience
The theoretical concepts, although vital, won’t do any good if you don’t know the right way to apply them.
Joining a firm for an internship is a necessary step for anyone, eyeing junior SQL developer positions. If you are looking for highly-paid positions, such as senior SQL server developer jobs, experience is key.
Certification
In case SQL wasn’t the focus of your degree, or you don’t have enough knowledge about its basics, go for a professional certification course.
Technical Skills To Acquire
To master SQL and use it for projects, you will have to learn about all its elements. The following are the technical aspects of the language that you will need to study and practice:
SQL Programming
The most basic thing that you need for getting access to entry-level SQL developer jobs is the SQL programming. You have to learn to write algorithms, to create queries using inner or outer tables, temporary tables, variables tables, and other types of databases required.
It is also crucial to know the core aspect of the language. You will need them to develop new programs and integrate them with the existing ones.
Apart from that, the skill to analyze and test SQL codes is also a must.
Programming Experience
For the beginner level SQL jobs, you will be using only the SQL codes and elements. However, with time, you have to learn about its integrations.
The first and most important of these will be the Oracle database integration. Oracle SQL is the most commonly used SQL development environment. It is also essential as Oracle PL SQL developer jobs are highly in demand on the market.
Other than Oracle, you will also need to learn about SQL integration with programs written in C, C++, Java, and other similar languages. .Net frameworks, Unix, and severs can also come in handy.
Database Knowledge
If you are looking for positions like Oracle DBA jobs, database knowledge is a must. The main usage of SQL is to develop databases and deal with data management aspects. Therefore, you not only need to learn the basics of databases but go far beyond.
You’ll be:
Creating efficient database structures.
Writing queries, and triggers for the applications.
Maintaining the quality and integrity of the database as well as the queries.
Resolving the error in both online and offline databases.
Apart from this, you will also need to know about the tools and advanced data collecting technologies. Here’s what you should learn:
NoSQL systems like MongoDB and CouchDB.
Hadoop, sparks and other such Big Data technologies.
Cloud technologies and platforms like Amazon AWS and Microsoft that offer them.
Usage of business intelligence and reporting tools such as Microsoft SQL Server Reporting Services and SAP Crystal Reports.
SDLC
SDLC or the Software Development Life cycle is a part of every application or website ever made. It is required to sort the whole development process for accurate results and minimal error possibilities.
Since you will be dealing with multiple applications and even building codes in SQL, having basic knowledge is vital. You also need to be familiar with the latest trends like Agile mythology and DevOps methods.
Non-Technical Skills Requirements
The codes and the script aren’t the only skills that you need to be a good developer. You will also need some non-technical skills to develop and ensure your position in SQL development.
Most useful skills for SQL developers:
Communication Skills: As a SQL developer, you have to communicate with clients quite often. You need to be good at explaining, in order for this communication to go smoothly. Therefore, you will always find this non-technical skill in the SQL developer job description. This is especially true for remote Oracle PL/SQL developer jobs.
Management: Like most Python jobs, SQL tasks also need you to work in a team that will include other developers as well as the client. You’ll need some decent management skills in order to organize everything. Even if you are working alone or as a freelancer, you will need proper management skills to meet deadlines and deal with clients efficiently.
Problem Solving: You need to have strong problem solving and analytical skills to find which algorithm to use for adding the required function. You will also SQL developing projects. Even the entry-level SQL requires this.
Mathematical and Analytical: The main functionality of SQL is to differentiate data elements and sort them in a systematic way. Hence, having a decent knowledge of mathematical operations and formulas may come in handy. Nobody expects you to have an in-depth understanding of each activity but at least learn the basics.
Even if you are looking for SQL jobs with no experience, recruiters insist on those skills.
Conclusion
SQL is preferred by firms for tasks like creating databases, managing databases, implementing data security measures, and more. The field is developing fast and it’s blooming with tempting job opportunities!
We created this guide for SQL developer jobs with the idea to help you every step on the way. So bravely explore all the opportunities available. We’re here for you! Enjoy!
Frequently Asked Questions
How much salary can you expect for SQL developer?
The salary of SQL developers depends on the location, the developer’s experience, and the company they work for. As per Indeed, the general salary will range between 97,000 to 15,01,000, with senior SQL developers earning the most. The average salary for the country is around 5,42,147 per year, so you can expect 40-50k per month.
The salary of SQL developers is a bit higher in Silicon Valley as compared to other locations in the USA. The salary of entry-level SQL developer is usually quite a bit lower as compared to that of a junior or a senior developer. This is because of the difference in skill level.
What are the job options available after learning SQL?
There are several career options after learning SQL. According to DB-Engines and StackOverflow, SQL Server-related jobs are most popular in the SQL space. There is a constant need for technology professionals who can monitor and maintain servers regularly.
The following careers are all great options:
SQL Database Developer
SQL Database Tester
SQL Data Scientist
SQL Data Application Interface Developer
Business Intelligence (BI) Application Developer
BI Administrator
Big Data Expert
SQL Data Analyst
BI Reporting Engineer
Cloud Database Expert
Data Migration Engineer
BI Solution Architect
How much can a SQL developer earn?
The earning of an SQL expert will depend on several factors such as location, skill level, experience, and company. For instance, junior SQL developer jobs come with a relatively smaller package as compared to senior SQL developer jobs.
In the United States, the salary range for SQL developers can vary from $31000 to $167000 per year, depending upon these factors. You have to search for your location and preferred company in order to find the closest salary estimates as per your skills and experience level.
Make sure you search for junior SQL developer salary as well as packages for seniors before applying for a job.
Why are SQL developers in demand?
Everything, from a smartphone to a fitness tracker generates data that businesses can use to understand the market trends. However, all this data is raw and needs to be managed and processed carefully. Here’s where SQL enters the picture. All the big names from the Silicon Valley use SQL to perform analysis.
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