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Databases · By ericrisco

18 skills found.
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1

A skill your agent uses when running a ClickHouse server for high-volume OLAP: choosing a MergeTree engine and ORDER BY/PARTITION BY keys, ingesting billions of event/log/metric rows…

ericrisco/rsc-harness180—~2.9kAutomated safety check: PassMITyesterday
2

A skill your agent uses when a schema change must ship without downtime — NOT NULL, rename, type change, or backfilling millions of live rows — for the expand-contract sequence and the lock/batching…

ericrisco/rsc-harness180—~3.3kAutomated safety check: PassMITyesterday
3

A skill your agent uses when modeling data or querying with Drizzle ORM in TypeScript — pgTable schema in .ts, type-safe select/insert/relational queries, drizzle-kit migrations.

ericrisco/rsc-harness180—~2.6kAutomated safety check: PassMITyesterday
4

A skill your agent uses when modeling or operating a DynamoDB table: deriving partition/sort keys from access patterns, single-table vs table-per-entity, adding a GSI/LSI, on-demand vs provisioned…

ericrisco/rsc-harness180—~3kAutomated safety check: PassMITyesterday
5

A skill your agent uses when building on Firebase — Firestore data modeling, Security Rules, Auth and custom claims, Cloud Functions, Storage, modular Web/Admin SDK imports — including symptoms like…

ericrisco/rsc-harness180—~3.3kAutomated safety check: PassMITyesterday
6

A skill your agent uses when modeling MongoDB documents (embed versus reference, the 16MB cap, bucket and subset patterns), choosing or fixing indexes (compound order by the ESR rule, partial, TTL…

ericrisco/rsc-harness180—~4.8kAutomated safety check: PassMITyesterday
7

A skill your agent uses when designing, querying, indexing or operating a MySQL or MariaDB database and engine-specific behaviour matters — schema and type choices, index design, reading EXPLAIN…

ericrisco/rsc-harness180—~3.7kAutomated safety check: PassMITyesterday
8

A skill your agent uses when operating PlanetScale (Vitess serverless MySQL) — branches and the pscale CLI, schema changes through deploy requests (Online DDL cutover, ~30-min revert window), tables…

ericrisco/rsc-harness180—~2.8kAutomated safety check: PassMITyesterday
9

A skill your agent uses when PostgreSQL engine behaviour decides the answer — schema and type design, index choice, reading EXPLAIN on a slow query, zero-downtime DDL and backfills, or ops (roles…

ericrisco/rsc-harness180—~4.4kAutomated safety check: PassMITyesterday
10

A skill your agent uses when modeling data or writing type-safe queries with Prisma ORM in TypeScript — schema.prisma, prisma.config.ts, the generated Prisma Client, and Prisma Migrate, including…

ericrisco/rsc-harness180—~3kAutomated safety check: PassMITyesterday
11

A skill your agent uses when building or maintaining a Ruby on Rails app — models, controllers, views, routes and migrations; ActiveRecord associations, scopes and query performance; Hotwire (Turbo…

ericrisco/rsc-harness180—~3.1kAutomated safety check: PassMITyesterday
12

A skill your agent uses when using Redis or any Redis-protocol store (Valkey, ElastiCache, Upstash, Dragonfly, Memorystore) as a cache, queue, rate limiter or distributed lock and it has to be…

ericrisco/rsc-harness180—~4.3kAutomated safety check: PassMITyesterday
13
13.Ruby

A skill your agent uses when writing or refactoring plain Ruby outside Rails — scripts, CLIs, gems, libraries: Enumerable chains and blocks, module mixins and value objects, Bundler/gemspec…

ericrisco/rsc-harness180—~3.2kAutomated safety check: PassMITyesterday
14

A skill your agent uses when traffic is growing or about to spike and the system bends under concurrency — deciding what to add and in what order (cache, connection pool, async queue, read replica…

ericrisco/rsc-harness180—~2.8kAutomated safety check: PassMITyesterday
15
15.SQL

A skill your agent uses when writing or reviewing advanced SQL query logic independent of any one engine — multi-table joins, window functions, CTEs including recursive ones, GROUP BY and GROUPING…

ericrisco/rsc-harness180—~3.8kAutomated safety check: PassMITyesterday
16

A skill your agent uses when deciding whether plain SQLite is enough, or wiring SQLite, Turso or libSQL for local-first, edge and embedded-replica apps — a local file DB, a remote Turso URL, or a…

ericrisco/rsc-harness180—~2.9kAutomated safety check: PassMITyesterday
17

A skill your agent uses when writing or fixing TypeScript type code (.ts/.tsx/.d.ts), modeling data with generics/unions/branded types, diagnosing narrowing failures, or configuring tsconfig and the…

ericrisco/rsc-harness180—~2.8kAutomated safety check: PassMITyesterday
18

A skill your agent uses when operating a vector store as a data layer — choosing or migrating between Pinecone, Qdrant, Weaviate and pgvector; designing a collection or index (distance metric…

ericrisco/rsc-harness180—~2.8kAutomated safety check: PassMITyesterday