SQL or Transaction Issues
This document introduces problems that may occur during application development and related documents.
Troubleshoot SQL query problems
If you want to improve SQL query performance, follow the instructions in SQL Performance Tuning to solve performance problems such as full table scans and missing indexes.
If you still have performance issues, see the following documents:
If you have questions about SQL operations, see SQL FAQs.
Troubleshoot transaction issues
See Handle transaction errors.