PostgreSQL 18 adds OLD/NEW support to RETURNING in DML queries, allowing explicit access to previous and new row values.
Discusses why SQL's SELECT..FROM syntax order isn't a flaw to be 'fixed' by FROM..SELECT, comparing it to logical execution order and language design.
Troubleshooting a Kafka Connect JDBC Sink error where a TEXT/BLOB column is used as a primary key in MySQL without specifying a key length.
Explains how ksqlDB handles case sensitivity for topics, statements, and object names, with examples of quoting rules.
Explains PostgreSQL's dollar quoting feature for handling string literals, including nested quoting and security considerations.
