Categories / sql
How to Sort Data with Multiple Case Statements in SQL Server: A Practical Guide for Custom Ordering
Understanding Oracle SQL Date Comparisons: Simplifying with `TRUNC` and Best Practices
Understanding Window Functions in SQL: Unlocking Power with COUNT(*) OVER()
Finding Login and Logout Entries Along with the Most Recent Entry per Date in a Log Table Using SQL.
Comparing Column's Value with Other Column and Based on Condition Choose Value from Third Column SQL
Understanding MySQL Performance: Optimizing Indexing, Caching, and Buffer Pool Size for Faster Database Operations.
Transforming CSV Rows into Structured JSON Objects in Postgres
Creating a crosstab and pivot table in Snowflake using SQL: A Step-by-Step Guide with PIVOT Function
Using CASE to Create Dynamic Column Aliases in PostgreSQL: A Powerful Approach for Flexible Results
Calculating Daily Sales Excluding Weekends in SQL Server