ecto-schemas
Use when defining and working with Ecto schemas including field types, associations, and embedded schemas. Use when modeling database entities in Elixir.
Use when defining and working with Ecto schemas including field types, associations, and embedded schemas. Use when modeling database entities in Elixir.
Use when Django ORM patterns with models, queries, and relationships. Use when building database-driven Django applications.
Use when lINQ (Language Integrated Query) with query and method syntax, deferred execution, expression trees, and performance optimization.
Use when lINQ query and method syntax, deferred execution, and performance optimization. Use when querying collections in C#.
Use when Elixir Ecto patterns including schemas, changesets, queries, and transactions. Use when building database-driven Elixir applications.
Database design principles and decision-making. Schema design, indexing strategy, ORM selection, serverless databases.
Changing database schema with Kysely migrations across SQLite, PostgreSQL, and MariaDB.
Guide UNION-based SQL injection exploitation during authorized penetration testing.
Database service enumeration and quick-win access checks for MSSQL, MySQL, PostgreSQL, Oracle, MongoDB, and Redis. Checks default/empty passwords, unauthenticated access, and command execution capabilities. Use after network-recon identifies database ports.
Guide NoSQL injection exploitation during authorized penetration testing.
Guide stacked query SQL injection and second-order injection exploitation during authorized penetration testing.
Database schema and migration workflow. Use when modifying database schemas in tools/atlas/ or SQLC queries in tools/sqlc/.
Expert guidance for implementing SQL on FHIR v2 ViewDefinitions and operations to create portable, tabular projections of FHIR data. Use this skill when the user asks to create ViewDefinitions, flatten FHIR resources into tables, write FHIRPath expressions for data extraction, implement forEach/forEachOrNull/repeat patterns for unnesting, create where clauses for filtering, use constants in view definitions, combine data with unionAll, execute ViewDefinitions with $run or $export operations, or implement SQL on FHIR server capabilities. Trigger keywords include "ViewDefinition", "SQL on FHIR", "flatten FHIR", "tabular FHIR", "FHIR to SQL", "FHIR analytics", "FHIRPath columns", "unnest FHIR", "$viewdefinition-run", "$export", "view runner", "repeat", "recursive", "QuestionnaireResponse".
Expert guidance for working with the Apache Spark Catalyst query optimisation framework. Use this skill when working with Spark SQL internals, creating custom expressions, implementing query optimisations, working with logical/physical plans, or extending Catalyst. Trigger keywords include "catalyst", "spark sql", "expression", "logical plan", "physical plan", "tree node", "query optimisation", "rule executor", "analyzer", "optimizer", "code generation".
PostgreSQL query optimization, JSONB operations, advanced indexing strategies, partitioning, connection management, and database administration. Use this skill for PostgreSQL-specific optimizations, performance tuning, replication setup, and PgBouncer configuration.
飞书多维表格管理。Activate when user mentions bitable, multi-dimensional tables, or bitable links.
When working with FaasJS projects, must follow these best practices to ensure code quality, maintainability, and testability.
Comprehensive guide for PostgreSQL psql - the interactive terminal client for PostgreSQL. Use when connecting to PostgreSQL databases, executing queries, managing databases/tables, configuring connection options, formatting output, writing scripts, managing transactions, and using advanced psql features for database administration and development.
Loaded when user asks about database schema or query optimization
Use this skill when designing database schemas, optimizing queries, creating indexes, planning migrations, or choosing between database technologies. Triggers on schema design, normalization, indexing strategies, query optimization, EXPLAIN plans, migrations, partitioning, replication, connection pooling, and any task requiring database architecture or performance decisions.