SkillData & analytics
Review a SQL query and its callers
Analyze query correctness, parameter handling, and result assumptions using the supplied schema.
✳Claude Code
MIT · FreeView skill
Installable skillMIT
data-sql-optimization
Production-grade SQL optimization for OLTP systems: EXPLAIN/plan analysis, balanced indexing, schema and query design, migrations, backup/recovery, HA, security, and safe performance tuning across PostgreSQL, MySQL, SQL Server, Oracle, SQLite.
instructions.md
--- name: data-sql-optimization description: "Production-grade SQL optimization for OLTP systems: EXPLAIN/plan analysis, balanced indexing, schema and query design, migrations, backup/recovery, HA, security, and safe performance tuning across PostgreSQL, MySQL, SQL Server, Oracle, SQLite." --- # data-sql-optimization This page used to hold an archived copy of this skill. The archive now lives in the registry's data repository. - [Archived SKILL.md (snapshot from 2026-10-08)](https://github.com/majiayu000/claude-skill-registry-data/blob/a21980a5b576646393ed574f158d7dd92fae4c3f/data/data-sql-optimization/SKILL.md) - [Find this skill in Claude Skills Registry](https://majiayu000.github.io/claude-skill-registry/?q=data-sql-optimization) - [Request removal](https://github.com/majiayu000/claude-skill-registry-core/issues/new?template=removal-request.yml) This pointer keeps old links working. It is not an installable skill.--- name: data-sql-optimization description: "Production-grade SQL optimization for OLTP systems: EXPLAIN/plan analysis, balanced indexing, schema and query design, migrations, backup/recovery, HA, security, and safe performance tuning across PostgreSQL, MySQL, SQL Server, Oracle, SQLite." --- # data-sql-optimization This page used to hold an archived copy of this skill. The archive now lives in the registry's data repository. - [Archived SKILL.md (snapshot from 2026-10-08)](https://github.com/majiayu000/claude-skill-registry-data/blob/a21980a5b576646393ed574f158d7dd92fae4c3f/data/data-sql-optimization/SKILL.md) - [Find this skill in Claude Skills Registry](https://majiayu000.github.io/claude-skill-registry/?q=data-sql-optimization) - [Request removal](https://github.com/majiayu000/claude-skill-registry-core/issues/new?template=removal-request.yml) This pointer keeps old links working. It is not an installable skill.
COMPATIBILITY & REFERENCES
Platform guidance
Imported from the listed AgentSkill.sh category. Complete supplied package files and notices are retained. Required external tools and credentials are not installed. No bundled code was executed during import. Individual agent task behavior has not been tested.