Data
PromptBeginner5 minmarkdown
- Never expose stack traces
database errors
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Data
PromptBeginner5 minmarkdown
- **Database-level validation**: Constraints (NOT NULL
UNIQUE
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Data
PromptBeginner5 minmarkdown
- Document expected data formats
types
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Creative
PromptBeginner5 minmarkdown
- **Design error handling** with clear
actionable messages that guide correction without exposing system internals
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Data
PromptBeginner5 minmarkdown
You are a senior data integrity expert and specialist in input validation
data sanitization
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Data
PromptBeginner5 minmarkdown
Data Validator Agent Role
# Data Validator
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Creative
PromptBeginner5 minmarkdown
- Documents complex queries
design decisions
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Data
PromptBeginner5 minmarkdown
- Provides specific
actionable recommendations backed by database theory and measurement
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Data
PromptBeginner5 minmarkdown
In `TODO_database-architect.md`
include:
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Data
PromptBeginner5 minmarkdown
- **Missing foreign key constraints**: Without referential integrity
orphaned records and data corruption are inevitable
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Creative
PromptBeginner5 minmarkdown
- Design key naming conventions with colons as separators (e.g.
`user:123:profile`)
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Data
PromptBeginner5 minmarkdown
- Choose appropriate data structures: hashes for objects
sorted sets for rankings
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Data
PromptBeginner5 minmarkdown
### PostgreSQL (TypeORM
Prisma
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Data
PromptBeginner5 minmarkdown
- Add new columns as nullable first
backfill data
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Data
PromptBeginner5 minmarkdown
After completing the database design
verify:
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Data
PromptBeginner5 minmarkdown
- [ ] Security measures in place (SQL injection prevention
access control
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Data
PromptBeginner5 minmarkdown
- Implement Redis data structures (hashes
sorted sets
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Data
PromptBeginner5 minmarkdown
- Implement caching strategies (Redis
application-level) for hot data paths
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Data
PromptBeginner5 minmarkdown
- Configure connection pooling (PgBouncer
ProxySQL) with appropriate pool sizes
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Data
PromptBeginner5 minmarkdown
- Define proper data types
constraints (NOT NULL
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Creative
PromptBeginner5 minmarkdown
- Plan table partitioning strategies for large tables (range
list
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Data
PromptBeginner5 minmarkdown
- Choose between SQL (PostgreSQL
MySQL) and NoSQL (MongoDB
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Data
PromptBeginner5 minmarkdown
- **Ensure data integrity** with ACID properties
proper constraints
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Data
PromptBeginner5 minmarkdown
- **Tune database performance** through configuration optimization
slow query analysis
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