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You should not try to prevent NULL values - instead, write your query in a way to overcome its limitations.
The first thing to look at to start optimizing a query is the Query Planner. In this post we will explain how a query gets executed and how to understand the EXPLAIN command.
See if you can read through the list below and answer every question. If you can - you are going to crush this interview!
After building a metrics dashboard and talking to users we were able to double our activation rate.
The sales process of companies is managed by CRM software. In this post we model the customer relationship and create an ER diagram of it.
We discuss how to easily deploy a PostgreSQL pod in Kubernetes.
How to use full text search and the match keyword to find a string in every table in a MySQL database.
SQL has transformed itself from a specialized skill to a core requirement for all data related jobs. What can be done to educate even more professionals in this basic proficiency? We’ll need to rethink how querying is perceived by and taught to the public.
When solving a problem that requires you to link a user's session data to their actual user object, Postgres comes in handy.
