Top "Database-performance" questions

Questions about database performance and tuning, ranging from files organization and configuration to benchmarking and system optimization, passing through management systems and the fastest ways to operate a database.

How big can a MySQL database get before performance starts to degrade

At what point does a MySQL database start to lose performance? Does physical database size matter? Do number of records …

mysql database database-performance
LOWER LIKE vs iLIKE

How does the performance of the following two query components compare? LOWER LIKE ... LOWER(description) LIKE '%abcde%' ... iLIKE ... …

performance postgresql pattern-matching database-performance
Mysql count performance on very big tables

I have a table with more than 100 millions rows in Innodb. I have to know if there is more than 5000 …

mysql sql count query-optimization database-performance
Entity Framework Vs Stored Procedures - Performance Measure

I'm trying to establish how much slower Entity Framework is over Stored Procedures. I hope to convince my boss to …

entity-framework stored-procedures performance-testing database-performance
How to configure MongoDB Java driver MongoOptions for production use?

I've been searching the web looking for best practices for configuring MongoOptions for the MongoDB Java driver and I haven't …

mongodb production-environment database-performance database-tuning
Database partitioning - Horizontal vs Vertical - Difference between Normalization and Row Splitting?

I am trying to grasp the different concepts of Database Partitioning and this is what I understood of it: Horizontal …

database database-design database-performance sharding database-partitioning
How do NULL values affect performance in a database search?

In our product we have a generic search engine, and trying to optimze the search performance. A lot of the …

sql database oracle database-performance query-performance
What does exec sp_updatestats do?

What is the use of sp_updatestats? Can I run that in the production environment for performance improvement?

sql sql-server database-performance
Postgresql Truncation speed

We're using Postgresql 9.1.4 as our db server. I've been trying to speed up my test suite so I've stared profiling …

postgresql database-performance truncate
MySQL fetch time optimization

oI have a table with 2 millions of registers, but it will grow much more soon. Basically this table contains points …

mysql query-optimization database-performance