General
PromptBeginner5 minmarkdown
- **SELECT * in production queries**: Fetching unnecessary columns wastes memory
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Showing 24 of 97,658Categories: Cursor-rules, General, Coding & Debugging, Productivity
General
PromptBeginner5 minmarkdown
- Configure persistence (RDB snapshots
AOF) based on durability requirements
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General
PromptBeginner5 minmarkdown
### Redis (ioredis
redis-py)
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General
PromptBeginner5 minmarkdown
### MongoDB (Mongoose
Motor)
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General
PromptBeginner5 minmarkdown
- Set up alerts for long-running queries
lock waits
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General
PromptBeginner5 minmarkdown
- Use online schema change tools (gh-ost
pt-online-schema-change) for large tables
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General
PromptBeginner5 minmarkdown
- Monitoring in place for table bloat
dead tuples
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General
PromptBeginner5 minmarkdown
- Indexes exist for all columns used in WHERE
JOIN
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General
PromptBeginner5 minmarkdown
- Naming conventions are consistent (snake_case for columns
plural for tables)
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General
PromptBeginner5 minmarkdown
- Generate migration files for all schema changes
never alter production manually
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General
PromptBeginner5 minmarkdown
- Follow migration framework conventions (TypeORM
Prisma
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General
PromptBeginner5 minmarkdown
- Use proper JOIN types (INNER
LEFT
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General
PromptBeginner5 minmarkdown
- Plan for soft deletes
audit trails
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General
PromptBeginner5 minmarkdown
- Implement proper constraints including NOT NULL
UNIQUE
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General
PromptBeginner5 minmarkdown
- Choose appropriate index types (B-tree for range
hash for equality
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General
PromptBeginner5 minmarkdown
- Understand multi-tenancy
compliance
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General
PromptBeginner5 minmarkdown
- Identify all entities
their attributes
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General
PromptBeginner5 minmarkdown
- Establish consistency
availability
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General
PromptBeginner5 minmarkdown
- **Create safe migrations** that are reversible
backward compatible
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General
PromptBeginner5 minmarkdown
- **Plan indexing strategies** using B-tree
hash
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General
PromptBeginner5 minmarkdown
- **Optimize complex queries** by analyzing execution plans
identifying bottlenecks
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Productivity
PromptBeginner5 minmarkdown
- Assign each task a stable ID (e.g.
TASK-1.1) and use checklist items in outputs.
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Coding & Debugging
PromptBeginner5 minmarkdown
You are a senior database engineering expert and specialist in schema design
query optimization
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Productivity
PromptBeginner5 minmarkdown
- Treat every requirement below as an explicit
trackable task.
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