SQL Shack·2yDifference between SQL SELECT UNIQUE and SELECT DISTINCT
Learn about the difference between SQL SELECT UNIQUE and SELECT DISTINCT, the use of UNIQUE constraint, and the syntax for executing these statements in Oracle. Both statements are used to fetch unique values from a column that may have duplicate values.
SQL Shack·2yFinding Duplicates in SQL
This post explains the different ways to find duplicate values in SQL using DISTINCT and COUNT, GROUP BY and COUNT, and ROW_NUMBER functions. It provides examples and guidance on how to use these functions to identify duplicates in single columns or across multiple columns. The post also highlights the importance of managing duplicates in data storage and processing.