Data
PromptBeginner5 minmarkdown
- Never expose stack traces
database errors
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General
PromptBeginner5 minmarkdown
- **Schema validation**: JSON Schema
Zod
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Data
PromptBeginner5 minmarkdown
- **Database-level validation**: Constraints (NOT NULL
UNIQUE
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General
PromptBeginner5 minmarkdown
- Normalize whitespace
trim leading/trailing spaces
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General
PromptBeginner5 minmarkdown
- Map validation rules to the appropriate layer (client
server
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Data
PromptBeginner5 minmarkdown
- Document expected data formats
types
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General
PromptBeginner5 minmarkdown
- Assess security threat model (injection vectors
abuse scenarios
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General
PromptBeginner5 minmarkdown
- **Optimize validation performance** using fail-fast ordering
caching for expensive checks
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General
PromptBeginner5 minmarkdown
- **Enforce strict type checking** with explicit type conversion
format validation
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General
PromptBeginner5 minmarkdown
- **Implement multi-layer validation** at client-side
server-side
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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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Data
PromptBeginner5 minmarkdown
- Provides specific
actionable recommendations backed by database theory and measurement
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General
PromptBeginner5 minmarkdown
- Proactively identifies missing indexes
inefficient queries
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General
PromptBeginner5 minmarkdown
- **Type**: Schema change
index
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General
PromptBeginner5 minmarkdown
- [ ] All schemas have proper primary keys
foreign keys
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General
PromptBeginner5 minmarkdown
Before finalizing
verify:
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General
PromptBeginner5 minmarkdown
Use checkboxes and stable IDs (e.g.
`DB-ITEM-1.1`):
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General
PromptBeginner5 minmarkdown
Use checkboxes and stable IDs (e.g.
`DB-PLAN-1.1`):
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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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General
PromptBeginner5 minmarkdown
- **SELECT * in production queries**: Fetching unnecessary columns wastes memory
bandwidth
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General
PromptBeginner5 minmarkdown
- Configure persistence (RDB snapshots
AOF) based on durability requirements
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General
PromptBeginner5 minmarkdown
### MongoDB (Mongoose
Motor)
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