#sqlperformance
⚡Rund um SQL-Performance halten sich einige Mythen erstaunlich hartnäckig.
Dani Schnider nimmt auf der DOAG 2026 Konferenz + Ausstellung genau diese Mythen unter die Lupe.

🎯 007-Mythen über SQL-Performance

➡️ scomp.ly/R9bnRQ3

Die Konferenz: scomp.ly/1gVLN5z

#DOAG2026 #Oracle #SQLPerformance
September 1, 2026 at 11:00 AM
Cómo solucionar un alto consumo de CPU en SQL Server

lnkd.in/p/epyPRUnz
#sqlserver #dba #databaseadministration #performancetuning #querystore #sqlperformance #basesdedatos #microsoftsqlserver #optimización #tecnología | Edgar Márquez
Cómo solucionar un alto consumo de CPU en SQL Server Un consumo elevado de CPU en SQL Server no significa necesariamente que el servidor necesite más procesadores. Antes de ampliar la infraestructura, es fundamental identificar qué está utilizando la CPU y por qué. El diagnóstico debe comenzar diferenciando entre una carga de trabajo legítima y un comportamiento anómalo. Consultas con planes de ejecución ineficientes, recompilaciones frecuentes, estadísticas desactualizadas, paralelismo excesivo, funciones costosas o cambios en el volumen de datos pueden provocar que una carga habitual se convierta en un problema de rendimiento. Una de las primeras herramientas que debería utilizar un DBA es Query Store, complementada con DMVs y los planes de ejecución. Estas herramientas permiten identificar las consultas que consumen más CPU, comparar su comportamiento histórico y determinar si el problema está relacionado con una sentencia concreta o con la carga general del sistema. La solución tampoco debería ser simplemente aumentar el hardware. Optimizar una consulta, revisar índices, actualizar estadísticas, corregir un plan de ejecución o ajustar determinadas configuraciones puede generar mejoras mucho mayores y sostenibles. También es importante analizar cuándo ocurre el problema. Un pico de CPU durante un proceso programado puede tener una causa completamente diferente a un consumo elevado que se mantiene durante toda la jornada. Resolver problemas de CPU requiere medir antes de actuar. La experiencia del DBA resulta especialmente valiosa cuando combina métricas, planes de ejecución y conocimiento del comportamiento de la aplicación. La CPU es solamente el síntoma. Encontrar la causa es el verdadero trabajo del DBA. #SQLServer #DBA #DatabaseAdministration #PerformanceTuning #QueryStore #SQLPerformance #BasesDeDatos #MicrosoftSQLServer #Optimización #Tecnología Referencia bibliográfica interna Código: 2026081101 Área: Bases de Datos | SQL Server | Rendimiento y Optimización
lnkd.in
August 11, 2026 at 10:50 AM
"🗄️ DB Tip of the Day: Regularly update statistics in SQL Server to improve query performance by ensuring accurate query estimates 📊 #SQLPerformance"
July 3, 2026 at 8:43 AM
"🗄️ DB Tip of the Day: Use pagination or LIMIT clauses instead of offset to improve query performance by reducing the number of rows read 📈 #SQLPerformance"
July 1, 2026 at 8:43 AM
"🗄️ DB Tip of the Day: Use query tuning tools like EXPLAIN (for MySQL, PostgreSQL), and SQL Profiler (for SQL Server) to identify slow queries and optimize performance ⏱️ #SQLPerformance"
June 29, 2026 at 8:42 AM
"🗄️ DB Tip of the Day: Optimize queries with subqueries by rewriting them as JOINs or using CTEs (Common Table Expressions) for better performance 🔍 #SQLPerformance"
June 26, 2026 at 8:43 AM
"🗄️ DB Tip of the Day: Use query caching to improve performance by reusing previously executed queries, reducing response times and system load 📋 #SQLPerformance"
June 25, 2026 at 8:43 AM
"🗄️ DB Tip of the Day: Use query profiling tools like SQL Profiler, EXPLAIN, and EXPLAIN ANALYZE to identify slow queries and optimize performance ⏱️ #SQLPerformance"
June 21, 2026 at 8:43 AM
"🗄️ DB Tip of the Day: Use query hints and optimizer directives judiciously to override database engine's query plan choices and improve performance 📈 #SQLPerformance"
June 19, 2026 at 8:43 AM
"🗄️ DB Tip of the Day: Leverage prepared statements and parameterized queries to improve query performance, reduce SQL injection risks, and optimize application code 🚀 #SQLPerformance"
June 11, 2026 at 8:47 AM
March 29, 2026 at 2:21 PM
Yes, sir. And we're going ro review sqlperformance.com soon as well.🥰
SQLPerformance.com
SQLPerformance delivers innovative and practical solutions for improving SQL Server performance.
sqlperformance.com
March 17, 2026 at 9:37 PM
Is JOIN Faster Than Correlated Subqueries? Taking a Look and Subsequently Debunking the Myth #Technology #SoftwareEngineering #Other #SQLPerformance #DatabaseOptimization
Is JOIN Faster Than Correlated Subqueries? Taking a Look and Subsequently Debunking the Myth
Hey there, fellow developers! If you've ever dabbled in SQL, you've probably heard the golden rule:
puretech.news
November 20, 2025 at 10:45 AM
🎧 Scaling Postgres
Heavy Reader or Writer? | Scaling Postgres 389 (14min)
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#PostgresScaling #DatabaseOptimization #SQLPerformance
November 2, 2025 at 5:40 PM
🚀 Developers — want to make PostgreSQL fly?
Our High Performance SQL course (1–10 Dec) focuses on writing efficient queries, indexing and anti-patterns and common mistakes in SQL development.
👉 Enroll: dataegret.com/high-perform...
#SQLPerformance #PostgreSQL #DeveloperTraining
High Performance SQL with Postgres​ - Data Egret
<- Back to all courses High Performance SQL with Postgres Advanced Course for Developers 🗓️ Course dates: 1–10 December 2025   Deep-dive course by the recognised PostgreSQL contributing...
dataegret.com
October 28, 2025 at 12:03 PM
[Blog] SQL Server 2025 Backup Compression and Restore Review

Check out my blog post reviewing each compression level, backup size, and backup and restore times in SQL Server 2025

www.jefftaylor.io/post/sql-ser...

#SQLServer #ZSTD #SQLServer2025 #SQLBackups #DatabaseCompression #SQLPerformance
August 26, 2025 at 6:41 PM
[Blog] SQL Server 2025 Backups - New ZSTD Compression

Check out the new built-in compression ZStandard in SQL Server 2025!

www.jefftaylor.io/post/sql-ser...

#SQLServer #Azure #ZSTD #SZtandard #Facebook #SQLServer2025 #SQLBackups #DatabaseCompression #SQLPerformance
August 13, 2025 at 6:19 PM
You should review sqlperformance.com (before it is gone).
SQLPerformance.com
SQLPerformance delivers innovative and practical solutions for improving SQL Server performance.
sqlperformance.com
July 7, 2025 at 2:46 PM
Visualize query execution plans in JSON format with ANALYZE FORMAT=JSON! Perfect for deeper insights. 🛠️
mariadb.com/kb/en/analyz...
#MariaDB #SQLPerformance #QueryTuning
January 23, 2025 at 1:30 PM