Carrier Paths Related to DBMS

2. Database designer

3. Data engineer

4. Database programmers

5. Database developer

What is DBMS?

The term DBMS or Database Management System refers to a Software package that helps in communicating with the database by supporting in operations like creating, updating, deleting, fetching, viewing, manipulating & administering the Database system and its contents, which usually comes with preset tools, functions, operations that can be used for defining the data, retrieving the data, managing the access permissions for the database, manipulation of the data & the tables in the database, maintenance of the contents of the database, by making use of common query languages such as SQL, T-SQL, etc.

Database Management System DBMS. Vector Icon Style Illustration Logo of database management system DBMS , computer software application interacting with the user

Database management system. And it’s sync with folders and files with cogs on white surface

> Database Administrator

Database administrators (DBAs) use specialized software to store and organize data.

The role may include capacity planning, installation, configuration, database design, migration, performance monitoring, security, troubleshooting, as well as backup and data recovery.

Contents
1 Skills
1.1 Certification
2 Duties

Skills
List of skills required to become database administrators are:

  1. Knowledge of database queries
  2. Knowledge of database theory
  3. Knowledge of database design
  4. Knowledge about the RDBMS itself, e.g. Microsoft SQL Server or MySQL
  5. Knowledge of structured query language (SQL), e.g. SQL/PSM or Transact-SQL
  6. General understanding of distributed computing architectures, e.g. Client–server model
  7. General understanding of operating system, e.g. Windows or Linux
  8. General understanding of storage technologies and networking
  9. General understanding of routine maintenance, recovery, and handling failover of a database
  10. Database administrators benefit from a bachelor’s degree or master’s degree in computer science. An associate degree or a certificate may be sufficient with work experience.

Certification

There are many certifications available for becoming a certified database administrator. Many of these certifications are offered by database vendors themselves. Database administrator certifications may be earned by passing a series of tests and sometimes other requirements. Schools offering Database Administration degrees can also be found.

For example:

  1. IBM Certified Database Administrator — DB2 10.1 for Linux, Unix, and Windows
  2. Oracle Database 12c Administrator Certified Professional
  3. Oracle MySQL 5.6 Database Administrator Certified Professional
    MCSA SQL Server 2012
  4. MCSE Data Platform Solutions Expert

Duties

A database administrator’s responsibilities can include the following tasks:

  1. Allocating system storage and planning storage requirements for the database system
  2. Modifying the database structure, as necessary, from information given by application developers
  3. Enrolling users and maintaining system security
  4. Ensuring compliance with database vendor license agreement
  5. Controlling and monitoring user access to the database
  6. Monitoring and optimizing the performance of the database
  7. Planning for backup and recovery of database information
  8. Maintaining archived data
  9. Backing up and restoring databases
  10. Contacting database vendor for technical support
  11. Generating various reports by querying from database as per need
  12. Managing and monitoring data replication
  13. Acting as liaison with users

> Database designer

For most application development projects, the technology used for persisting data is a relational database. The database designer is responsible for defining the detailed database design, including tables, indexes, views, constraints, triggers, stored procedures, and other database-specific constructs needed to store, retrieve, and delete persistent objects.

The scope of the tasks performed by the database designer role vary depending on the size and complexity of the application development effort and the type of persistent data storage mechanisms used for the project.

Skills

The database designer must have a solid working knowledge of the following:

  • Object-Oriented Analysis and Design techniques
  • System Architecture, including Database and System performance tuning, as well as hardware and network workload balancing
  • Database Administration
  • an understanding of the implementation language and environment

On small projects, the database designer role may be performed by a senior developer, possibly in addition to other roles.

On large projects, the database designer role may be assigned to a team of database specialists.

In some organizations, the database designer role may be assigned to a member of a central database management or administration group that supports multiple projects.

An organization may choose to replace this role by finer-grained roles. For example, an organization may define a Data Analyst role that is responsible only for logical data modeling, while physical data modeling is the responsibility of another role (such as a Database Administrator).

A person that takes on this role should ideally be involved early in the project as a technical reviewer, participating in requirements reviews and analyzing the relevant system features and requirements.

> Data engineer

Data engineers are responsible for finding trends in data sets and developing algorithms to help make raw data more useful to the enterprise. This IT role requires a significant set of technical skills, including a deep knowledge of SQL database design and multiple programming languages. But data engineers also need communication skills to work across departments to understand what business leaders want to gain from the company’s large datasets.

Data engineers are often responsible for building algorithms to help give easier access to raw data, but to do this, they need to understand company’s or client’s objectives. It’s important to have business goals in line when working with data, especially for companies that handle large and complex datasets and databases.

The data engineer role

According to Dataquest, there are three main roles that data engineers can fall into. These include:

  • Pipeline-centric: Often found in midsize companies, pipeline-centric data engineers work alongside data scientists to help make use of the data they collect. Pipeline-centric data engineers need “in-depth knowledge of distributed systems and computer science,” according to Dataquest.
  • Database-centric: In larger organizations, where managing the flow of data is a full-time job, data engineers focus on analytics databases. Database-centric data engineers work with data warehouses across multiple databases and are responsible for developing table schemas.

Data engineer responsibilities

Data engineers are tasked with managing and organizing data, while also keeping an eye out for trends or inconsistencies that will impact business goals. It’s a highly technical position, requiring experience and skills in areas like programming, mathematics and computer science. But data engineers also need soft skills to communicate data trends to others in the organization and to help the business make use of the data it collects. Some of the most common responsibilities for a data engineer include:

  • Align architecture with business requirements
  • Data acquisition
  • Develop data set processes
  • Use programming language and tools
  • Identify ways to improve data reliability, efficiency and quality
  • Conduct research for industry and business questions
  • Use large data sets to address business issues
  • Deploy sophisticated analytics programs, machine learning and statistical methods
  • Prepare data for predictive and prescriptive modeling
  • Find hidden patterns using data
  • Use data to discover tasks that can be automated
  • Deliver updates to stakeholders based on analytics

Data engineer salaries

According to Glassdoor, the average salary for a data engineer is $137,776 per year, with a reported salary range of $110,000 to $155,000 depending on skills, experience and location. Senior data engineers earn an average salary of $172,603 per year, with a reported salary range of $152,000 to $194,000.

> Database programmers

Database programmers design, write and modify programs to improve application processing for things such as online applications to websites, data transfer to internal databases, the processing of the application data, and online payment systems.

  • Translating the requirements into something that a computer understands is often far from trivial.
  • Programmers need to be aware of the performance implications of different possible approaches.
  • As programmers gain experience using their platform of choice they become more proficient, delivering higher quality code at a faster rate.

(Of course this is a vastly reduced list, I’m just trying to pick up on points that have parallels in database development.)

Well, database development is much the same — to the ill informed it looks pretty straightforward, but once you get more involved you become aware of the specific complications of database development:

  • Often more complex queries can be far from trivial to translate from the requirements.
  • Database developers need to be concerned with the performance of the database.
  • They also need to be concerned with maintaining data integrity and availability.
  • And just like developers, database programmers become more proficient at everything they do as they become more experienced.

Just as application development is filled with hidden pitfalls (threading issues etc…), so is database development, and often the consequences of falling foul of these issues is very serious (e.g. data loss or potentially downtime for all applications using the database).

I think the thing that makes programmers think that there is nothing to it (“Can’t a programmer do this?”) is that there is a lot of overlap between the roles, and they do require similar skill sets. I’ve got no doubt that anyone who has the ability to be a good developer also has the ability to be a good database programmer given time and experience, however nobody should underestimate the value of an experienced database expert.

> Database developer

Database developers ensure that database management systems (DBMS) can handle massive quantities of data. Also called database programmers, developers usually work as part of a software development team. … Designing and developing new databases. Troubleshooting database issues.

  • Creating views, functions and stored procedures
  • Writing optimized SQL queries for integration with other applications
  • Creating database triggers for use in automation
  • Maintaining data quality and overseeing database security

It’s a job that gets even more complex as databases turn into data lakes, and you need to keep your skills sharp. But if you have the right experience and certifications, employers will beat a path to your door.

Soft skills

Employers value soft skills in IT team members, with communication being one of the most important. This position requires working with colleagues across the IT department — from applications developers to network engineers — and with third-party vendors, such as cloud service providers.

Additionally, digital transformation and the advent of data analytics sometimes require SQL developers to collaborate with experts from other business units. It’s not uncommon for marketing, operations and other teams to come to you with questions or concerns regarding their data needs, such as data capture and running business intelligence reports.

If your goal is to become an SQL developer, one path to grow the skills you need is to start as a database administrator (DBA). Those coming from a software engineering background probably already know a little about writing SQL queries. Focus on gaining practical experience with database environments like Oracle or MySQL, and try designing your own databases from scratch.

Landing an SQL developer job could be a lucrative career move. The current midpoint starting salary for these professions is $118,000 in the United States, and growing demand could drive that salary up even further. So if you’ve been considering making the jump, now is a great time.

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