Abstract: SQL Azure's concurrency control relies on multi-versioning to prevent readers and writers from blocking each other and on in-memory row locks to prevent multiple writers modifying the same ...
Your browser does not support the audio element. By default, a universe is limited to 5000 rows of data. If your BO Report exceeds the 5000 rows, you may miss out on ...
Part of the SQL Server 2022 blog series. Cardinality estimation (CE) is a process used by the query optimizer to estimate the number of rows returned by a query or sub-part of a query. These estimates ...
With the latest public preview available, it’s time to decide if you want to upgrade to Microsoft’s most cloud-connected version of SQL Server so far. Three decades on, SQL Server is still a database ...
SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing an ...
This projects's goal is to create an SQL-compliant database completely written in PHP. It's purposes are wide ranged: It can be used to mock a temporary in-memory database for unit-tests. A developer ...
The SQL Repay tool was created since SQL Server's Replay feature is based on SQL Server Profiler traces rather than SQL Server Extended Events. Other key features of the SQL Replay tool: We don't want ...