There are many opportunities to sharpen skills and collaborate.
Once there, it drastically simplifies application development.
As data volume grows, scaling your SQL database is like playing a never-ending game of tag, where the perfect setup is always just out of reach.
For example; what's the function of the chat's node? A useful description of how the data will be organized is the beginning of a schema.
Once in place, they are inflexible, and modifications are typically difficult and resource-intensive.
The column structure lends itself to fast aggregation queries.