שיחות בין DBAs

גיא ואיתן מדברים על סוגי קרסרים (Cursors), טעויות נפוצות, מה כדאי ומה לא, ומתי ולמה. וגם, גיא עושה חידון טריוויה לאיתן לגבי ההיסטוריה העתיקה יותר של SQL Server. אבל איתן נכשל קשות ונזכר בטראומות רדומות. וגם, מה הקשר בין טראמפ לבין SQL Server? קישורים רלוונטיים: * Sessions Archive for 2023 - PASS Data Community Summit [https://passdatacommunitysummit.com/video-library/?year=PASS+Data+Community+Summit+2023&type=Community] * Explore the SQL query Hint OPTION (FAST N) [https://www.sqlshack.com/explore-sql-queries-hint-option-fast-n/] * Understanding SQL Server Fast_Forward Server Cursors | Microsoft Community Hub [https://techcommunity.microsoft.com/blog/sqlserver/understanding-sql-server-fast-forward-server-cursors/383556] * Cursors (SQL Server) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/cursors] * Fly high with Flyway!, Sun, Dec 15, 2024, 8:00 PM | Meetup [https://www.meetup.com/microsoft-dbas-club/events/304754947] * Online non-NULL with values column add in SQL Server 2012 [https://rusanu.com/2011/07/13/online-non-null-with-values-column-add-in-sql-server-11/] * Liquibase vs. Flyway [https://www.liquibase.com/liquibase-vs-flyway]

גיא ואיתן מדברים על מספר נושאים מעניינים, על עתיד והווה של קריירת ה-DBA-ים, ומקרה מוזר של ניצולת זיכרון חריגה ב-SQL Server. קישורים רלוונטיים: * ChartDB - Database schema diagrams visualizer [https://chartdb.io/] * We need to talk about the elephant in the room - the future of DBAs - Eitan Blumin's blog [https://eitanblumin.com/2024/03/07/we-need-to-talk-about-the-elephant-in-the-room-the-future-of-dbas/] * sys.allocation_units (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-catalog-views/sys-allocation-units-transact-sql?view=sql-server-ver16] * Going Multi-Platform with SDK-style SQL, Mon, Nov 4, 2024, 5:00 PM | Meetup [https://www.meetup.com/microsoft-dbas-club/events/303915916/] * PASS Data Community Summit [https://passdatacommunitysummit.com/]

גיא ואיתן מדברים על ההרצאות של איתן בנושא SSDT, וגם גיא מספר על הרפתקאותיו המוזרות עם תקלות ברפליקות של AlwaysOn. קישורים רלוונטים: * חדשות מפי מיקרוסופט: * Preview release of SDK-style SQL projects in Visual Studio 2022 - Microsoft Community Hub [https://techcommunity.microsoft.com/t5/azure-sql-blog/preview-release-of-sdk-style-sql-projects-in-visual-studio-2022/ba-p/4240616] * הרצאות של איתן בנושא SSDT: * Development Lifecycle Basics for DBAs, Sun, Sep 15, 2024, 5:00 PM | Microsoft DBAs Club Meetup [https://www.meetup.com/microsoft-dbas-club/events/302976415/] * SSDT Methodologies for SQL Server DevOps, Wed, Sep 25, 2024, 5:00 PM | Microsoft DBAs Club Meetup [https://www.meetup.com/microsoft-dbas-club/events/302977472/] * SSDT Tools and Features for SQL Server DevOps, Sun, Sep 29, 2024, 5:00 PM | Microsoft DBAs Club Meetup [https://www.meetup.com/microsoft-dbas-club/events/302977433/] * Troubleshooting Common SSDT Errors, Sun, Oct 13, 2024, 5:00 PM | Microsoft DBAs Club Meetup [https://www.meetup.com/microsoft-dbas-club/events/302978053/] * Database DevOps for Leaders - Eitan Blumin, Thu, Oct 24, 2024, 12:00 PM | Cloud Data Driven Meetup [https://www.meetup.com/cloud-data-driven/events/303173348/] * טיפול בשגיאה מספר 1412: * Applying Transaction Logs to the Secondary Replica in SQL Server Always On Availability Groups (sqlshack.com) [https://www.sqlshack.com/apply-transaction-logs-to-secondary-in-sql-server-always-on-availability-group/]

גיא ואיתן מקבלים בברכה את שנת הלימודים החדשה ומנסים ללמוד כמה דברים חדשים ומעניינים, כגון: * איך הכי עדיף להתריע על סטפ אחד או יותר שנכשל בג'וב שהסתיים בהצלחה? * מה גיא למד מהוובינר שהעביר בנושא סקריפט הבדיקות המרוכז עבור SQL Server, ואיך הכי עדיף לתחזק סקריפט מורכב שכזה? * וגם - הכרזה על סיבוב הופעות מחודש של איתן בנושא DB DevOps ו-SSDT קישורים רלוונטיים: * Security and Compliance/Invalid_owner_for_system_schema_role_or_database.sql at MadeiraData/microsoft-dbas-club (github.com) [https://github.com/MadeiraData/microsoft-dbas-club/blob/master/Security%20and%20Compliance/Invalid_owner_for_system_schema_role_or_database.sql] * Useful Scripts to Check the Health of Your SQL Server Instance (youtube.com) [https://www.youtube.com/watch?v=-YWe4TantlY] * MadeiraData/SqlServerReview (github.com) [https://github.com/MadeiraData/SqlServerReview] * Data Devops for leaders (youtube.com) [https://www.youtube.com/watch?v=0HOUeqv6fxs] * Development Lifecycle Basics for DBAs, Sun, Sep 15, 2024, 5:00 PM | Meetup [https://www.meetup.com/microsoft-dbas-club/events/302976415/] * SSDT Methodologies for SQL Server DevOps, Wed, Sep 25, 2024, 5:00 PM | Meetup [https://www.meetup.com/microsoft-dbas-club/events/302977472/] * SSDT Tools and Features for SQL Server DevOps, Sun, Sep 29, 2024, 5:00 PM | Meetup [https://www.meetup.com/microsoft-dbas-club/events/302977433/] * Troubleshooting Common SSDT Errors, Sun, Oct 13, 2024, 5:00 PM | Meetup [https://www.meetup.com/microsoft-dbas-club/events/302978053/]

גיא ואיתן מדברים על העולם המופלא של הנעילות ב-SQL Server ואיך להתמודד איתו. קישורים רלוונטיים: * Transaction locking and row versioning guide - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/sql-server-transaction-locking-and-row-versioning-guide?view=sql-server-ver16] * sys.dm_tran_locks (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-tran-locks-transact-sql?view=sql-server-ver16] * sys.dm_os_waiting_tasks (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-os-waiting-tasks-transact-sql?view=sql-server-ver16] * SET LOCK_TIMEOUT (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/t-sql/statements/set-lock-timeout-transact-sql?view=sql-server-ver16] * Accelerated database recovery - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/accelerated-database-recovery-concepts?view=sql-server-ver16] * microsoft-dbas-club/Diagnostics/Head Blockers.sql [https://github.com/MadeiraData/microsoft-dbas-club/blob/master/Diagnostics/Head%20Blockers.sql] * microsoft-dbas-club/Diagnostics/Sleeping Sessions with Old Open Transactions.sql [https://github.com/MadeiraData/microsoft-dbas-club/blob/master/Diagnostics/Sleeping%20Sessions%20with%20Old%20Open%20Transactions.sql] * sys.dm_tran_active_transactions (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-tran-active-transactions-transact-sql?view=sql-server-ver16] * sys.dm_tran_session_transactions (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-tran-session-transactions-transact-sql?view=sql-server-ver16] * sys.dm_exec_connections (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-exec-connections-transact-sql?view=sql-server-ver16] * sys.dm_exec_sql_text (Transact-SQL) - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/system-dynamic-management-views/sys-dm-exec-sql-text-transact-sql?view=sql-server-ver16] * microsoft-dbas-club/Diagnostics/Session DMVs - sp_who3.sql [https://github.com/MadeiraData/microsoft-dbas-club/blob/master/Diagnostics/Session%20DMVs%20-%20sp_who3.sql] * microsoft-dbas-club/TempDB/Identify Tempdb Contention.sql [https://github.com/MadeiraData/microsoft-dbas-club/blob/master/TempDB/Identify%20Tempdb%20Contention.sql] * Blocked Process Report Event Class - SQL Server | Microsoft Learn [https://learn.microsoft.com/en-us/sql/relational-databases/event-classes/blocked-process-report-event-class?view=sql-server-ver16] * DarlingData/sp_HumanEvents/sp_HumanEventsBlockViewer.sql [https://github.com/erikdarlingdata/DarlingData/blob/main/sp_HumanEvents/sp_HumanEventsBlockViewer.sql]