Base databases
Decide whether your records need Base or can stay in Calc, then build a first database: two related tables, an entry form, a low-stock query and a report. I'd use the libreoffice.org download rather than the Mac App Store edition, because the form and report wizards need Java and that edition can't support it.
Guides in this topic
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How to create a database in LibreOffice Base
File > New > Database, two related tables, a form, a low-stock query and a report: a first Base database you can finish in one sitting, with the Java and backup steps that trip people up.
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LibreOffice Base: what the database app does and when to use it
Choose Base for related records and repeatable forms, queries or reports. Check where the data lives and which engine or feature needs Java before building.

