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Articles tagged with #databases
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
MongoDB sharding helps a database handle growth by dividing a large collection into smaller blocks called chunks and distributing them across multiple shards.A shard key, such as customerId or region,
Running a MongoDB backup once is not difficult. With MongoDB Database Tools installed, the complete PowerShell command can be as short as this: & "C:\Program Files\MongoDB\Tools\100\bin\mongodump.exe"
Open a database for the first time, and you see tables, unfamiliar icons, and folders for columns, indexes, foreign keys, and constraints. Open a table, and rows appear. Switch to the diagram, and lin
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
Most mongosh tutorials focus on individual commands: find a document, update a field, or run an aggregation. That is useful when you already know exactly what needs to change. Real cleanup work is oft
