Categories / sql
Understanding Dynamic Tables with NHibernate: Best Practices for Adapting to Changing Requirements
Understanding MySQL Query for Grouping Data by Date and Hour with Aggregated Counts
Understanding CONSTRAINT Keyword When Creating Tables: Best Practices for Explicit Constraint Names
SQL Server Group by with Comma-Separated Values Excluding Previous Column Value
Calculating the Difference Between Two Timestamps in Minutes with SparkSQL
Transposing Columns with Aggregate Functions into Rows Using SQL Server: Limitations and Alternative Approaches
Creating Sequence Number Fields Based on Total Value/Count
Understanding PostgreSQL char and varchar Datatype: Search Speed Difference
Understanding SQL Server's DATETIME Data Type Limitations and Best Practices for SELECT MAX
Using Grouping Sets to Reference Values in First Selects from Second Selects within Unions in PostgreSQL