What causes database performance issues without indexes?

Table scans on every query—slow as molasses on big data. Add clustered indexes on PKs, non-clustered on filters.

How do you fix manual ID generation in SQL Server?

Switch to IDENTITY(1,1) on PK columns. Atomic, fast, no custom tables needed.

Is SQL injection still a risk in modern apps?

Yes, if you're concatenating strings. Always parameterize—ADO.NET, EF, it handles escaping.

Jaw-Dropping Database Disaster: No Indexes, Fake IDs, SQL Injection Wide Open

Staring at an empty indexes folder in SSMS, I realized the truth: this database was a ticking time bomb. No auto-increments, no protections—just pure, unadulterated chaos from a dev who winged it.

theAIcatchup Apr 07, 2026 4 min read

SSMS screenshot showing empty indexes folder on a SQL Server table

⚡ Key Takeaways

Ditch manual ID generation; use database-native auto-increments for atomicity. 𝕏
No indexes = performance death; audit with sys.indexes queries. 𝕏
String concat queries invite SQL injection—parameterize everything. 𝕏

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theAIcatchup

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#database horror story #manual ID generation #no indexes

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Originally reported by dev.to

⚡ Key Takeaways

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