Flagging First Duplicate Entries in Oracle SQL using Row Numbers or CTEs

Setting Up SQL Developer for Oracle Databases: A Step-by-Step Guide

Unpivoting a Table to Get the Value of a Column in a Row Using Oracle SQL's UNPIVOT Function

Understanding the Issue with PL/SQL Procedures and Date Mismatch: A Step-by-Step Guide to Resolving Date Handling Issues in Oracle Databases

Ignoring Records for Certain Criteria Using SQL Queries

Calculating Average Columns from Aggregated Data Using GROUP BY and Conditional Logic

Comparing Two Tables with the Same ID and Listing Out the Maximum Date

Converting Oracle Timestamps to ISO-8601 Date Datatype: A Step-by-Step Guide

Concatenating Column Values in Oracle SQL: Best Practices and Techniques

Summarize Debtors from Suppliers Based on Invoice Payments