SQLite is a lightweight disk-based database library written by Gerhard Häring. Provides DB-API 2.0 interface compliant with PEP 249 specification. Requires SQLite 3.15.2 or newer. Supports both on-disk and in-memory databases
SSMS is an integrated environment for managing SQL infrastructure. Latest version is SSMS 19 Preview 4 released December 15, 2022. Supports SQL Server 2008 to SQL Server 2022. Available in 12 languages including English, French, German
Database connection error prevents WordPress page loading and website access. Error occurs when website can't communicate with WordPress database. Site generates 500 HTTP status code with internal server error. Frontend may not show error until cache expires
Error occurs when wp-config.php credentials are incorrect. Database server may be down temporarily. Host's database service could be experiencing issues
Date/time operators (+, -, *, /) work with dates, timestamps, and intervals. Dates and timestamps are comparable, while times and intervals are limited. Timestamp comparisons with time zone are rotated to UTC
UPDATE modifies values in rows satisfying specified conditions. Only modified columns need explicit specification in SET clause. Can modify tables using sub-selects or FROM clause. Optional RETURNING clause computes values based on updated rows