SQL Server Radio

Matan Yungman is our special host for today, who came especially to talk about his special project called "Rapido", which is capable of automatically tuning SQL queries at scale. Perhaps there is some inspiration in it for us? Relevant links: Matan Yungman | LinkedInMatan Yungman (@MatanYungman) / X SQL Server 2025 is Now Generally Available | Microsoft Community Hub Intelligent Query Processing - SQL Server | Microsoft Learn

Guy and Eitan talk about the new preview version of SSMS, application locks, and stupid troubles with TempDB shrinkage. Relevant links: Announcing the Release of SQL Server Management Studio 22 Preview 3 | Microsoft Community HubRelease Notes for SQL Server Management Studio (SSMS) 22 Preview 3Get Started - GitHub Copilot in SQL Server Management Studio (Preview) | Microsoft LearnOverview of the Query Hint Recommendation Tool (Preview) - SQL Server Management Studio | Microsoft LearnAnnouncing the Release of SSMS 22 Preview 4 | Microsoft Community Hubsp_getapplock (Transact-SQL) - SQL Server | Microsoft Learnmicrosoft-dbas-club/Utility Scripts/Shrink_Database_File_in_Specified_Increments.sqlmicrosoft-dbas-club/TempDB/TempDB_Sizing_Check_and_Remediation.sqlmicrosoft-dbas-club/TempDB/TempDB Space Utilization Check.sql

We let a dice roll decide today's topic, and the winner ended up being: Computed Columns with PERSISTED and Indexed Expressions. We give our thoughts about it, best practices, pit falls, and tips. Relevant links: SQL Server 2025 Preview RC1: Now Supporting Red Hat Enterprise Linux (RHEL) 10 | Microsoft Community Hub Specify computed columns in a table - SQL Server | Microsoft Learn Indexes on computed columns - SQL Server | Microsoft Learn

Guy and Eitan discuss several interesting announcements and updates from Microsoft related to SQL Server and VS Code. And also Eitan talks about a weird issue he encountered involving page latch time-outs during DBCC CHECK command. Please fill out the SQL Server on Linux adoption survey here! Thank you! Relevant links: Higher log rate for business critical service tier in Azure SQL MI | Microsoft Community Hub What’s New in MSSQL Extension for VS Code v1.35 Accelerating SQL Server 2025 momentum: Announcing the first release candidate - Microsoft SQL Server Blog Error 845 Time-out occurred while waiting for buffer latch type 4 during DBCC CHECK - Eitan Blumin's blog

Guy and Eitan discuss security-related best practice scripts, and several interesting AI topics. Relevant links: microsoft-dbas-club/Security and Compliance/Check_Passwords_SQL_Server_Generated.sql microsoft-dbas-club/Security and Compliance/Best Practice Checks/Invalid_owner_for_system_schema_role_or_database.sql microsoft-dbas-club/Security and Compliance/Windows Group Members.sql Microsoft Introduced AI Integrations for SQL Server. - Brent Ozar Unlimited® What’s New in MSSQL Extension for VS Code v1.34 AI coding platform goes rogue during code freeze and deletes entire company databaseEitanBlumin/sqlcmd-gui: a simple graphical user interface based on SQLCMD for executing parameterized TSQL scripts

Guy and Eitan discuss Stephen Planck's blog post "Five SQL Server 2025 Enhancements DBAs Will Notice", and add some of their own insights. Relevant links: Five SQL Server 2025 Enhancements DBAs Will Notice - SQL Table Talk Configure a flexible automatic failover policy for an availability group - SQL Server Always On | Microsoft Learn Accelerated Database Recovery (ADR) in TempDB | Microsoft Learn Enable and Run tempdb on tmpfs for SQL Server 2025 Preview on Linux - SQL Server | Microsoft Learn Optimized Locking - SQL Server | Microsoft Learn Standard Developer edition in SQL Server 2025 | Microsoft Learn ABORT_QUERY_EXECUTION query hint - public preview | Microsoft Community Hub

Many announcements and interesting releases came out this past month, so we got a lot to talk about in this episode! Relevant links: What's New in SQL Server 2025 - SQL Server | Microsoft Learn SQL Server 2025 - AI ready enterprise database from ground to cloud | Microsoft Community Hub Announcing Public Preview of DiskANN in SQL Server 2025 | Microsoft Community Hub SQL Server 2025: introducing optimized Halloween protection | Microsoft Community Hub SQL Server 2025: introducing tempdb space resource governance | Microsoft Community Hub Unlocking the Power of Regex in SQL Server - Azure SQL Devs’ Corner Announcing the General Availability (GA) of JSON data type and JSON aggregates | Microsoft Community Hub Announcing the Public Preview of JSON index in SQL Server 2025 | Microsoft Community Hub ZSTD compression in SQL Server 2025 | Microsoft Community Hub MSSQL Extension for VS Code: GitHub Copilot Preview + UI GA MSSQL Extension for VS Code: Introducing Schema Compare (Preview) - Azure SQL Devs’ Corner SQL Server Management Studio (SSMS) 21 is now generally available (GA) | Microsoft Community Hub Copilot in SSMS preview Recently released: Updates to the SqlPackage and the DacFx ecosystem | Microsoft Community Hub Visual Studio 2022 Release Notes | Microsoft Learn Free SQL Managed Instance offer is now generally available Avoid T-SQL anti-patterns with the free T-SQL analysis tool - Azure SQL Devs’ Corner

Guy talks about a recent migration project he was working on to move an on-prem SQL Server to AWS RDS. Eitan talks about a new AI-related feature in Azure SQL Databases. And we also discuss the new SNAPSHOT backup T-SQL command in SQL Server 2022. Relevant links: Importing and exporting SQL Server databases using native backup and restore - Amazon Relational Database ServiceLearn about Amazon RDS maintenance window | AWS re:Post LLM Structured Output from Azure SQL Explained - Azure SQL Devs’ Corner Create a Transact-SQL snapshot backup - SQL Server | Microsoft Learn

Guy and Eitan worry about the decline in SQL Server feature quality. But maybe there's something else behind it? Relevant links: Improving Azure SQL Database reliability with accelerated database recovery in tempdb | Microsoft Community Hub What the Decline of Sql Server Quality means for Developers and DBAsSLA for SQL Database | Azure AI will eliminate DBA Jobs faster than you think

Guy and Eitan discuss a few interesting topics. Including a fun new game called "SQL Noir", how to implement statistical clustering model in SQL, about surrogate and natural keys, and the recently announced deprecation of Azure Data Studio. Relevant links: SQL Noir - A Detective SQL GameHow to Write a Recursive CTE in SQL Server | LearnSQL.com Azure Data Studio Retirement - Azure SQL Devs’ CornerRelational Databases - Surrogate Keys and Logical Duplicates (by Ami Levin)

Guy and Eitan answer an interesting question from the forum regarding the logic of NOT BETWEEN. And also, checking out the SQL Squid Game, discussing SQL Audit, and sharing some tips for SSMS. Relevant links: SQL Squid GameSQL Server Audit (Database Engine) - SQL Server | Microsoft Learn microsoft-dbas-club/Maintenance/SQLVersionUpdates Tell us how you did and whether you survived the SQL Squid Game! 😉

Guy and Eitan talk about SQL Server 2025 (well, they try to, at least), and its various interesting upcoming features. Relevant links: Announcing SQL Server 2025 – SQLServerCentral What's New in SQL Server 2025 - Brent Ozar Unlimited® Optimized Locking - SQL Server | Microsoft Learn SQLBits is Coming Back to London in June 2025! - Brent Ozar Unlimited®

Guy and Eitan go over the most popular sessions released from the SQL PASS archive of 2023, and discuss some other topics. Relevant links: Announcing Microsoft SQL Server 2025: Enterprise AI-ready database from ground to cloud - Microsoft SQL Server Blog Sessions Archive for 2023 - PASS Data Community Summit Resolving and Preventing Deadlocks in SQL Server SSMS v21: Dark Mode, Git, Vertical Tabs, and More - Brent Ozar Unlimited® Copilot in SSMS is Kinda Like IE in SSMS - Brent Ozar Unlimited®

Guy and Eitan discuss the common challenge of long-running database integrity checks (DBCC CHECKDB) and a solution to resolve it, and why do we need integrity checks at all? Relevant links: PASS Data Community Summit Incremental Integrity Check for Large Databases - Eitan Blumin's blogSQL Server Integrity Check - by Ola Hallengren tigertoolbox/MaintenanceSolution/5_job_Maintenance.sql · microsoft/tigertoolbox sp_can_tlog_be_applied (Transact-SQL) - SQL Server | Microsoft Learn T-SQL Script to Roll Forward Transaction Log Backups - Eitan Blumin's blog

Guy and Eitan discuss some interesting news from Microsoft regarding SQL Server, and also about the right way to handle index fragmentation. Relevant links: Preview release of SDK-style SQL projects in Visual Studio 2022 - Microsoft Community Hub Native JSON support now in preview in Azure SQL Managed Instance - Microsoft Community Hub EAP for Vector Support Refresh - Introducing Vector type - Azure SQL Devs’ Corner (microsoft.com) Calling external REST endpoints from Azure SQL Database | Microsoft LearnSQL Server Backup, Integrity Check, Index and Statistics Maintenance (hallengren.com) Should we do index maintenance on an Azure SQL Managed Instance or Azure SQL Database? (kendralittle.com) Stop Worrying About SQL Server Index Fragmentation (brentozar.com) Why SQL Server Index Fragmentation Isn’t A Problem On Modern Storage Hardware – Darling Data (erikdarling.com) microsoft-dbas-club/Indexes/Table and Index High Unused Space.sql at MadeiraData/microsoft-dbas-club Check Index Fragmentation Based on Page Fullness and Fill FactorDatabase DevOps for Leaders - Eitan Blumin, Thu, Oct 24, 2024, 12:00 PM | Meetup

Fair warning for all listeners! Before starting to listen to this podcast, very strongly recommended: Have the diagram at the bottom of this page ready in front of you, so that it'll be easier for you to follow along: Common Causes and Troubleshooting Solutions for SQL AG Data Synchronization Latency - Microsoft Community Hub (sorry in advance!) Additional relevant links: Index cleanup : Harder than it looks - Simple Talk (red-gate.com) Find Overlapping Indexes.sql at chadbaldwin/SQL (github.com)

Guy and Eitan discuss the recent CrowdStrike incident and what it would mean for DBAs, and discuss options to load huge CSV files into SQL Server as fast as possible. Relevant links: 101 of Troubleshooting SQL Server on Linux - Microsoft Community Hub bcp utility - SQL Server | Microsoft Learn Altering lock escalation for SQL Server tables (mssqltips.com)dbatools docs | Import-DbaCsv A Fast Way to Load Large CSV Files into Microsoft SQL Server | by Sasha Korovkina

Guy and Eitan discuss some important and interesting news from Microsoft about SQL Server, Straight Path Solutions publish 30 articles about SQL Server security checks, Guy talks about his experience with Excel, and Eitan is irritated about people still not doing SQL jobs correctly in AlwaysOn Availability Groups. Relevant links: SQLBits Free Videos - YouTube JSON data type (preview) - SQL Server | Microsoft Learn Efficient Time-Based Audit Log Filtering for Azure SQL Database - Microsoft Community Hub UNISTR and ANSI SQL concatenation operator (||) (microsoft.com) SQL Server on Azure VMs: I/O analysis (preview) - Microsoft Community Hub Announcing the retirement of SQL Server Stretch Database - Microsoft SQL Server Blog 30 SQL Server Security Checks in 30 Days Archives - Straight Path Solutions Use Sparse Columns - SQL Server | Microsoft LearnSQL Server Jobs & AlwaysOn Interoperability | HADRMyJobs

Guy and Eitan continue discussing HADR solutions. But this time focusing on Transactional Replication, its cons and pros and potential use cases. Also, some important announcements from Microsoft about Azure SQL! Relevant links: Data API builder General Availability (microsoft.com) Build REST API with Azure Data API Builder (DAB) (mssqltips.com) Zero ETL, Near-real time replication, Mirroring Azure SQL Databases in Fabric (microsoft.com) Announcing EAP for Vector Support in Azure SQL Database - Azure SQL Devs’ Corner (microsoft.com) Update Policy for Azure SQL Managed Instance - Microsoft Community Hub Transactional Replication - SQL Server | Microsoft LearnMadeiraData/ReplicationManagementMechanism: Use SQL Server database tables to manage and configure Transactional Replication, and set it up easily between publishers and subscribers using stored procedures (github.com)

Guy and Eitan discuss the various High Availability and Disaster Recovery options available to us in Microsoft SQL Server, their main advantages, limitations, and when it's most suitable to use or not to use them. Relevant links for further reading: AlwaysOn Basic Availability Groups / Database MirroringAlwaysOn "Enterprize" Availability GroupsFailover Cluster InstanceLog ShippingTransactional Replication