pg_matviews lists each PostgreSQL Materialized View and its reconstructed SELECT definition. A cross-platform customer requested this metadata.
Retrieve TOP 10 Rows Without Using TOP or LIMIT? – Interview Question of the Week #247
Question: Retrieve TOP 10 Rows Without Using TOP or LIMIT? We do not want to use TOP or LIMIT as they are actually not an ANSI implementation.
PostgreSQL – Storing Unicode Characters is Easy
PostgreSQL varchar can store Unicode with suitable database and client encodings. My example stores ЯНВАРЬ, the Russian word for January.
How to Insert Multiple Rows in a Single SQL Query – Interview Question of the Week #069
Interview question: write one script that inserts multiple rows in a single SQL query and runs unchanged in SQL Server, MySQL and PostgreSQL. Here is my answer.
Linked Server to PostgreSQL: Set It Up From SQL Server 2025
A linked server to PostgreSQL lets SQL Server read PostgreSQL tables through an ODBC driver. This post tests the PostgreSQL side on PostgreSQL 18.6, runs the SQL Server steps up to the missing driver, and shows the real error messages.
PostgreSQL Local Variable: DECLARE in a plpgsql Function
A PostgreSQL local variable is declared in the DECLARE section of a plpgsql function or DO block. This post tests a function with two variables, the NULL start value, scope, CONSTANT, STRICT, a name clash error and the psql alternative.
Migrating From PostgreSQL to SQL Server: Types and Syntax Differences
Plan migrating from PostgreSQL by checking identity values, Unicode, timestamps, paging, returned rows, collations, and upsert behavior.