-- Description: Using purchase order receipts, calculate average item costs over a specified transaction date range and compare against the Comparison Cost Type. In addition, with the Use Default ...

This blog post provides a foundational set of Oracle DBA commands, primarily SQL queries, that are essential for monitoring a single instance Oracle database. These commands will help beginners ...

Being a Data engineer I always loved working with data. Every data has it’s own story to narrate and sometimes analytical tools like SQL helps you to bring the best story out of it. Here I have ...

(SELECT ROUND((1 - SUM(DECODE(name, 'physical reads', value, 0)) / (SUM(DECODE(name, 'db block gets', value, 0)) ...