Categories / sql
Understanding the Mysterious Case of Inconsistent Date Sorting in Oracle SQL Developer
SELECT Extracting Unique Values from Multiple Columns Using SQL Queries
Conditional Aggregation to Filter NULL Results
Understanding Timestamps in PostgreSQL and Redshift: A Guide to Correct Formatting and Conversion
How to Get First Record (Earliest VALIDFROM) and Last Record (Latest VALIDTO) for a Specific Staff ID in SQL
Deleting Duplicate Records in SQL: Efficient Approaches for Cleaner Data
Understanding VARIADIC Keyword with CASE Construct in PostgreSQL 11: How to Correctly Use `VARIADIC` and `CASE` Together
Creating Hierarchical SQL Queries with Recursive Common Table Expressions (CTEs)
How to Save Images to Both Database and File System in ASP.NET Core
Working with JSONB Arrays in PostgreSQL: A Deep Dive Into Array Functions, Unnesting, Filtering, and Indexing