SQL databases (e.g., MySQL, PostgreSQL) Role What you do Your key skills Tools you use Big Data Engineer Designs, builds, and maintains the infrastructure for handling large datasets. Python, PySpark, Java, and Scala, data structures, SQL and NoSQL, ETL, distributed systems Apache ...
How to Learn Python in 2025: 6 Steps for Success Let’s take a look at how you can go about learning Python. This step-by-step guide assumes you’re at learning Python from scratch, meaning you’ll have to start with the very basics and work your way up. ...
Backend: Java, PostgreSQL, Python, Node.js, Express.js Frontend: React.js, Angular, Vue.js 3-rd party integrations: RESTful API, Flask, Stripe, Google API Cloud: AWS, Azure, Google Cloud, Docker, Kubernetes, Jenkins Security: JWT, OAuth, SSL/TLS, bcrypt Please note that this technology ...
To build your own PostgreSQL GUI, we’re going to use an internal tools platform to avoid sinking time into building frontend components from scratch. I’m using Retool for this tutorial given its advanced feature set, though the same principles can apply no matter how you opt to build your...
Django’s built-in field types don’t cover every possible database column type – only the common types, such asVARCHARandINTEGER. For more obscure column types, such as geographic polygons or even user-created types such asPostgreSQL custom types, you can define your own DjangoFieldsubclasses...
Data pipelines are the backbones of data architecture in an organization. Here's how to design one from scratch.
Using PostgreSQL To use PostgreSQL instead of SQLite, you change the config insettings.py: import os . . . DATABASES = { 'default': { 'ENGINE': 'django.db.backends.sqlite3', 'NAME': BASE_DIR / 'db.sqlite3', } } if os.environ.get('POSTGRES_NAME'): ...
API Development: Ability to create RESTful APIs or GraphQL services for communication between client and server. 3. Databases SQL: Experience with relational databases like MySQL, PostgreSQL, or MS SQL Server. NoSQL: Understanding of non-relational databases like MongoDB or Firebase for more flexibl...
So run dpkg-reconfigure ocfs2-tools on both nodes.Answer YES to the first question, and then accept defaults for all the rest. Now we can make the filesystem.We don’t want to make it on /dev/sdc1 but rather on the DRBD device: ...
Finally, as a brainchild of AWS, this technology utilizes Amazon Relational Database Service to support PostgreSQL, a powerful database system popular among DWH developers. You might be interested in learning more aboutmaster data management (MDM) in banking sector. ...