Data Science

I’m having some trouble and I really need help figuring out how to check the version of my SQL database. I’ve been working on a project that requires specific features and optimizations available only in certain versions, but I’m not ...Read more

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’m having a bit of a rough time figuring out how to install PGXS for PostgreSQL 14 on my CentOS setup, and I could really use some help. I’ve been tinkering with my database for a while now, and I ...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

I’ve been trying to figure out how to perform an insert operation in PostgreSQL, specifically using a select statement, to transfer data from one table to another. The thing is, the tables have different structures and constraints, and I really ...Read more

I’ve been hearing a lot about SQL lately, especially as I consider pursuing a career in data analysis. However, I’m a bit anxious about whether or not I can actually learn it. I’ve never really been good at programming or ...Read more

I’m currently working on a project that involves a SQL database, and I’ve run into a bit of a challenge. I need to update the name of a column in one of my tables, but I’m not entirely sure how ...Read more

I’m currently working on a project where I need to manipulate some data in my SQL database. However, I’ve run into a bit of confusion regarding the data types of certain columns in my tables. As I proceed with my ...Read more

I’m currently working on a SQL project where I need to manipulate date and time data, and I’ve run into a bit of a roadblock. I have a column in my database that holds datetime values, but for my analysis, ...Read more