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Articles tagged with #database
A new database release is easier to understand when you run the same command on the old and new versions. Does it accept an option that was previously rejected? Does it enforce a rule differently? Can
MySQL uses tables to store application data. For instance, an online store can have individual tables for its customers, orders, items, and transactions. SQL is the language used to read and change th
You have data on your computer and want to explore it with SQL. It might be a CSV export, an existing database, or files produced by another analytical tool. Setting up a database server just to answe
JSONB allows you to store JSON data within a PostgreSQL table row. It is suitable when certain columns remain unchanged, while the remaining columns may have different content across rows. Let us take
MongoDB queries look simple. You type a field, give it a value, hit run, and you get your data back. But just because a query runs without throwing an error doesn't mean it worked right. Sometimes you
