DatabasesBackendTable-stakes
Relational Database
Also written as RDBMS
A database that organizes data into structured tables with defined relationships between them (e.g. PostgreSQL, MySQL).
Think of it like
Like a set of linked spreadsheets — a Customers tab and an Orders tab — where each order row points back to exactly one customer row.
Junior or senior?
Junior sounds like
Says 'I used tables.'
Senior sounds like
Can describe a time they deliberately denormalized a table and what they traded off.
Ask them
“Tell me about a time you denormalized a table on purpose. What did you trade off?”