chore: update all blog posts

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cojocaru-david
2025-08-14 00:29:54 +03:00
parent 39e42e5589
commit e9165549ff
405 changed files with 25604 additions and 12312 deletions

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@@ -37,7 +37,7 @@ CREATE INDEX idx_user_search ON users(last_name, first_name);
## 2. Refine WHERE Clauses for Efficiency
The `WHERE` clause dictates query speedoptimize it ruthlessly.
The `WHERE` clause dictates query speed optimize it ruthlessly.
### Place Restrictive Conditions First
Order conditions from most to least selective to reduce the dataset early.
@@ -93,7 +93,7 @@ Execution plans reveal how your database processes queries.
Use `EXPLAIN` (PostgreSQL/MySQL) or `EXPLAIN PLAN` (Oracle) to spot inefficiencies.
### Watch for Full Table Scans
These indicate missing indexesaddress them immediately.
These indicate missing indexes address them immediately.
## 7. Replace Cursors with Set-Based Logic
@@ -143,6 +143,6 @@ As query patterns change, refine indexes to match new needs.
### Schedule Maintenance
Regularly run `ANALYZE` (PostgreSQL) or `UPDATE STATISTICS` (SQL Server) to keep performance sharp.
> _"The first rule of optimization: Dont do it. The second rule: Dont do it yet."_ Michael A. Jackson
> _"The first rule of optimization: Don't do it. The second rule: Don't do it yet."_ Michael A. Jackson
#SQL #DatabaseOptimization #QueryPerformance #TechTips #Developer