Data Science

I’m having a bit of trouble figuring out how to filter my SQL queries. Specifically, I want to use the “contains” function or its equivalent to search for specific substrings within a text field. I imagine this is a common ...Read more

I’ve been diving into PostgreSQL lately and I came across this need to work with JSON objects in stored procedures. I thought it would be straightforward, but I’m finding it a bit tricky to wrap my head around how to ...Read more

I’m currently working with SQL and I’m facing a challenge that I hope someone can help me with. I need to create a duplicate of an existing table in my database, but I’m unsure of the best way to do ...Read more

I’ve been working with databases for a while now, primarily using SQL, and I’m considering getting certified to enhance my skills and improve my job prospects. However, I’m overwhelmed by the variety of certification options available. I want to know ...Read more

I’ve been working on a project that requires me to execute a function in SQL, but I’m running into some confusion and frustration. I understand that functions in SQL can be called to perform specific tasks, like calculations or data ...Read more