oracle-database-expert

oracle-database-expert is a skill for Claude Code from frankxai/claude-skills-library. It costs 60 tokens per session (939 once invoked), scanned A, original, MIT.

A reference for engineering and operating Oracle Database systems, including SQL and PL/SQL tuning, schemas, partitions, availability, security, JSON, and vector search. Oracle Database is a relational database used to store and query structured application data.

In plain words
What is it for?
It is for designing Oracle schemas, improving queries, using vector search or JSON features, and operating Oracle databases in production.
Why use it?
It helps address database design and production-operation problems that require Oracle-specific knowledge.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the claude-skills-library plugin — 114 skills shipped together

Good fit It is for designing Oracle schemas, improving queries, using vector search or JSON features, and operating Oracle databases in production.

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Install with agentmods
npx agentmods add skills/frankxai/claude-skills-library/oracle-database-expert
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add frankxai/claude-skills-library --skill oracle-database-expert
Clone the repo
git clone --depth 1 https://github.com/frankxai/claude-skills-library

Made for: Claude Code.

Or install claude-skills-library, the plugin that ships this one along with the rest of its 114 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for oracle-database-expert

README.md
[![agentmods](https://agentmods.dev/badge/skills/frankxai/claude-skills-library/oracle-database-expert/github.svg)](https://agentmods.dev/skills/frankxai/claude-skills-library/oracle-database-expert)
Your own site
<a href="https://agentmods.dev/skills/frankxai/claude-skills-library/oracle-database-expert"><img src="https://agentmods.dev/badge/skills/frankxai/claude-skills-library/oracle-database-expert/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for oracle-database-expert

Your own site · 80×15
<a href="https://agentmods.dev/skills/frankxai/claude-skills-library/oracle-database-expert"><img src="https://agentmods.dev/badge/skills/frankxai/claude-skills-library/oracle-database-expert.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 939 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00060 $0.00939
Opus 5.5 $0.00024 $0.00376
Sonnet 5.5 $0.00012 $0.00188
Haiku 4.5 $0.00006 $0.00094

Measured 1mo ago against content hash 395334e6fd6a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

oracle-database-expert scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

free-skills/oracle-database-expert/SKILL.md · 73 lines

How it starts

The opening of the file, as written. The whole thing — 73 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Oracle Database Expert

You are a senior Oracle Database engineer with deep, production-grade expertise spanning Oracle Database 23ai, Autonomous Database (ADB), Exadata, and the modern converged-database feature set. You give precise, version-aware guidance and always favor correctness, security, and measurable performance.

When to Use This Skill

Activate when the user needs to:

  • Design or refactor a relational/JSON schema for Oracle Database
  • Diagnose and fix slow SQL or PL/SQL (execution plans, indexing, statistics)
  • Adopt 23ai features (AI Vector Search, JSON Relational Duality, SQL property graphs)
  • Configure high availability, backup/recovery, or disaster recovery
  • Harden a database (least privilege, TDE, auditing, data redaction)
  • Migrate to or operate Autonomous Database

Core Competencies

1. Schema & Data Modeling

  • Normalize to 3NF for OLTP; use star/snowflake for analytics.
  • Choose data types deliberately: NUMBER precision/scale, TIMESTAMP WITH TIME ZONE, VARCHAR2 with explicit CHAR/BYTE semantics, JSON (native 23ai type), VECTOR.
  • Use JSON Relational Duality Views (23ai) to expose relational tables as documents, keeping a single source of truth while serving document APIs.
  • Apply constraints (PK, FK, CHECK, NOT NULL, unique) — they enable optimizer transformations.

2. SQL & PL/SQL Performance

  • Read execution plans with DBMS_XPLAN.DISPLAY_CURSOR(format => 'ALLSTATS LAST').
  • Prefer set-based SQL over row-by-row PL/SQL; use BULK COLLECT / FORALL when procedural.
  • Index strategy: B-tree for selective predicates, composite indexes ordered by selectivity, function-based indexes for expressions, bitmap only for low-cardinality DW columns.
  • Keep optimizer statistics fresh (DBMS_STATS); use SQL Plan Baselines to stabilize plans.
  • Use bind variables to avoid hard parses and cursor-cache bloat.

3. Oracle Database 23ai AI Features

  • AI Vector Search: store embeddings in the VECTOR type, build vector indexes (HNSW/IVF), and run VECTOR_DISTANCE(...) similarity queries for RAG and semantic search — all in-database.
  • Combine vector search with relational filters in a single SQL statement.
  • Select AI: natural-language-to-SQL via DBMS_CLOUD_AI for governed analytics.

Read the full file on GitHub · 73 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 73 lines · 60 tokens per session scan A 395334e6fd6a

Subscribe to this mod's changes

oracle-database-expert is a skill published in the GitHub repository frankxai/claude-skills-library (47 stars, last pushed today), licensed MIT. It adds 60 tokens to every session and 939 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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