Categories / sql
Filling Gaps in a Sequence with SQL and Oracle: A Step-by-Step Guide
Excluding Users Who Used Specific Events from a Group-by Aggregation in BigQuery Using NOT EXISTS
Resolving the "ORA-12514: TNS:listener does not currently know of service requested in connect descriptor" Error with Oracle Databases in C# ASP.Net MVC Applications
Joining Two Tables and Getting the Most Recent Records for a Given Name: A SQL Solution Using Correlated Subqueries
SQL Server Duplicate Row Removal: A Step-by-Step Guide to Deleting Duplicates with ROW_NUMBER()
Overcoming Decimal Column Challenges in Database Queries Using CTEs
Solving the "All In" Group By Problem with SQL Aggregation and COALESCE
Understanding Regular Expressions in Oracle: A Deep Dive into `REGEXP_SUBSTR`: How to Find Non-Overlapping Matches in Strings Using Oracle's `REGEXP_SUBSTR` Function Instead
Converting Data from 1 Column to 2 Columns in Oracle SQL
Understanding Execute Permission for SP_SEND_MAIL Not Working?