Level
Everything on SkillVeris tagged Level — collected across the glossary, study notes, blog, and cheat sheets.
6 resources across 2 libraries
Study Notes(4)
Screens and Navigation
How canvas apps structure multiple screens, pass data between them with Navigate, manage app-wide state with variables and collections, and design navigation p…
Row-Level Security
How Power BI restricts which data rows a user can see through DAX-defined roles, the static-vs-dynamic distinction, and what RLS does not protect.
Level Numbers and Group Items
How COBOL uses level numbers from 01 to 49, plus the special 66, 77, and 88 levels, to build hierarchical record structures out of group and elementary items.
Locking in PostgreSQL
The row-level and table-level lock modes PostgreSQL uses to coordinate concurrent writers, and how to inspect and reason about lock contention.
Cheat Sheets(2)
Supabase Basics Cheat Sheet
Introduces Supabase's Postgres database, auto-generated REST API, authentication, Row Level Security, and realtime subscriptions using the CLI and JS client.
Multi-Tenant Database Design Cheat Sheet
Multi-tenant database architecture patterns covering shared-schema with tenant_id, schema-per-tenant, database-per-tenant, and RLS.