kysely
Kysely type-safe SQL query builder - End-to-end type safety from schema to queries, migrations, transactions, plugins
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Kysely type-safe SQL query builder - End-to-end type safety from schema to queries, migrations, transactions, plugins
Safe patterns for evolving database schemas in production with decision trees and troubleshooting guidance.
Go database integration patterns using sqlx, pgx, and migration tools like golang-migrate
Design and optimize database schemas for SQL and NoSQL databases. Use when creating new databases, designing tables, defining relationships, indexing strategies, or database migrations. Handles PostgreSQL, MySQ...
TD Hive SQL with TD-specific functions and Hive-only features (lateral view, explode, MAPJOIN hint). Use when Trino memory errors occur or for Hive-specific syntax.
Expert documentation generation for staging transformation layers. Auto-detects SQL engine (Presto/Trino vs Hive), documents transformation rules, PII handling, deduplication strategies, and data quality rules....
Expert documentation generation for hist-union workflows. Documents historical and incremental table combination strategies, schema validation, time-based partitioning, and backfill processes. Use when document...
Convert Trino queries to Hive when memory errors occur. Covers syntax differences (td_time_string→TD_TIME_FORMAT, REGEXP_LIKE→RLIKE, ARRAY_AGG→COLLECT_LIST) and engine selection.
TD Trino SQL with TD-specific functions (td_interval, td_time_range, td_time_string, td_sessionize). Use for time-based filtering, partition pruning, and TD query patterns.
TD Trino performance optimization including CTAS (5x faster), UDP bucketing for ID lookups, magic comments for join distribution, REGEXP_LIKE vs LIKE, and approx functions.
dbt with TD Trino. Covers profiles.yml setup (method:none, user:TD_API_KEY), required override macros (no CREATE VIEW), TD_INTERVAL in models, and TD Workflow deployment.
Use SQL (PostgreSQL) when:
MongoDB and PostgreSQL database administration. Databases: MongoDB (document store, aggregation, Atlas), PostgreSQL (relational, SQL, psql). Capabilities: schema design, query optimization, indexing, migrations...
Key facts and breaking changes for upgrading to Prisma ORM 7. Consider version 7 changes before generation or troubleshooting
Install, configure, and manage PostgreSQL server with pgvector extension on macOS using Homebrew. Supports init, start, stop, restart, status, and remove operations.
Clone MySQL/PostgreSQL databases from remote servers to local machine. Use when user mentions cloning database from EC2/server to local, copying remote database, or pulling database from remote. Handles backup,...
Token-efficient MySQL/PostgreSQL operations using mycli and native CLI tools (Windows/Mac/Linux compatible). Replaces Artisan Tinker for database queries with 87% token savings.
Query and analyze the Gertrude PostgreSQL database. Use when answering questions about database schema, writing SQL queries, analyzing data, or debugging database-related issues. Has read-only access via the 'r...
Master LINQ and EF Core query optimization including N+1 prevention, eager loading, projections, and performance patterns. Use when: (1) fixing N+1 queries, (2) optimizing slow queries, (3) implementing efficie...
Expert database schema designer and Drizzle ORM specialist. Use when user needs database design, schema creation, migrations, query optimization, or Postgres-specific features. Examples - "design a database sch...
Database schema design, migrations, query optimization, and ORM patterns. Use when designing database schemas, writing migrations, optimizing queries, or working with ORMs like SQLAlchemy or Django ORM.
Query optimization and N+1 detection
Audits database schemas for naming conventions, type consistency, nullability patterns, and missing constraints. Provides violations report with recommended fixes. Use for "schema validation", "database linting...
Plans and executes safe Prisma schema migrations with data backfills, rollback strategies, and SQL preview. Handles complex schema changes including data transformations. Use for "Prisma migrations", "schema ch...
默认按已收录数据中的 GitHub 仓库 Stars 排序。Stars 属于来源仓库,同一仓库的多个技能可能共享相同数值;它反映仓库关注度,不代表单个技能的安装量或质量评分。