Oracle SQL: Retrieving Most Recent Data by License Plate

How to Extract Year Values from Date Strings in SQL

Using PIVOT to Aggregate Data: A Guide to Calculating Difference and Percentage Change Between Average Profits

Understanding the Restrictions on PL/SQL Functions: Working Around the "Cannot Perform a DML Operation Inside a Query" Error

How to Ensure Uniqueness in Oracle SQL Tables with All Nullable Columns and No Unique Index

Understanding Oracle Date Datatype Issues for Accurate Aggregation Results

Understanding the "Missing Right Parenthesis" Error in Oracle SQL: A Guide to Effective Database Schema Design

Combining Parallel Rows in SQL: A Step-by-Step Guide Using ROW_NUMBER()