Databases
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Microsoft Says Windows Updates From October 13 Might Leave SQL Server Linked-Server Connections Open; Fix Promised, Sources Differ on Windows 11 26H2
Microsoft's release-health pages say Windows updates released October 13, 2026 might leave SQL Server linked server connections open, with Oracle and PostgreSQL among those known to be affected; The Register differs from a Microsoft page on 26H2.
PostgreSQL November Updates Ask for Some Reindexing and New Full Backups for Incremental-Backup Users; Announcement Calls 14.25 the Final 14 Release
The PostgreSQL project's November 12 announcement lists six post-update steps, calls 14.25 the final 14 release and plans PostgreSQL 19 general availability for November 19; the five release-notes pages differ by branch.
SurrealDB 4.0 Adds a MySQL Listener and a PostgreSQL SQL Dialect to Its Postgres Port, but Its Blog and Release Notes Differ on Window Functions
SurrealDB 4.0 (November 3) adds PostgreSQL and MySQL SQL dialects that its blog calls a defined subset; the vendor advises existing 3.x users to wait for 4.1, and its 22x indexed-query gain is projected.
Confluent Makes Lightning Tables Generally Available on AWS, With Latency Figures From Its Own Internal Testing; an IDC Analyst Asks for Benchmarks
Confluent, an IBM company, said Lightning Tables, a read-only Kafka serving layer, is generally available on AWS on November 4, 2026. Its release attributes the latency figures to internal testing; IDC's Stewart Bond said it would be nice to see benchmarks.
Percona's Quick Test Finds MongoDB 9.0.4 About 6% Faster Than 8.0 and 8.3 When CPU-Bound; MongoDB Cites Up to 20% Higher Transactional Throughput
Percona's quick test of MongoDB 9.0.4 on one workload found it used less CPU per operation than 8.0 and 8.3 and was about 6% faster when CPU-bound; MongoDB's launch cited up to 20% higher transactional throughput.
MariaDB Enterprise Platform 2027 Is Generally Available; Its 56% Throughput Claim Rests on a MariaDB-Sponsored Test MariaDB Calls Non-Durable
MariaDB plc says Enterprise Platform 2027 is generally available. Its 56% peak-throughput claim over version 11.8 rests on a MariaDB-sponsored HammerDB test that MariaDB's own blog calls in-memory and non-durable.
Robert Haas Attributes PostgreSQL 19's Late Release and Feature Reverts to LLM-Found Bugs, Citing a Jump of More Than 60% in Back-Patched Commits
In a post LWN linked on October 30, PostgreSQL developer Robert Haas says LLM-found bug reports drove more back-patching and late reverts; the project's own announcements give no cause.
Postgres Vendors Take Different Routes to Merge Transactional and Analytical Data, and Analysts Point to a Shared DuckDB Dependency
InfoWorld and The Register report competing Postgres-plus-Iceberg designs from Databricks, EDB, Snowflake, pgEdge and AWS, with analysts flagging a shared DuckDB dependency and catalog gaps.
DuckDB 2.0.0 LTS Ships Triggers, a Default PEG Parser and Asynchronous I/O, and Older Versions Cannot Read Its Database Files
DuckDB 2.0.0 LTS, released October 21, adds triggers, the Quack CONNECT statement, a PEG parser and async I/O; versions before 2.0 cannot read files it creates.
ClickHouse Says It Scaled Near-Linearly Across Vera's 176 Physical Cores in In-Memory Benchmarks and Topped the ClickBench Hardware Leaderboard
In a blog post, ClickHouse reports that three CPU-bound micro-benchmarks scaled close to linearly up to 176 threads on an early-access NVIDIA Vera server, with efficiency falling beyond that.
Amazon Aurora PostgreSQL Embeds DuckDB to Query Iceberg and Parquet Data in S3, the First AWS Service Feature to Follow the DuckLabs Deal
Aurora PostgreSQL 17.11+ and 18.6+ can join live tables with Iceberg and Parquet data in S3 through an embedded DuckDB, with no ETL and no extra charge.
DuckDB Benchmarks Its v2.0 Preview on NVIDIA Vera, Reporting a 46% TPC-H SF1,000 Edge Over an Intel Xeon 6 Baseline
DuckDB's team ran a v2.0 development build on NVIDIA's Vera CPU and an Intel Xeon 6 server, reporting median TPC-H SF1,000 scores of 3,073,292.99 versus 2,109,782.19 QphH@Size.