Last seen: Jan 24, 2026
Data Warehouse: A Comprehensive Overview In today’s world, businesses and organizations are generating an enormous amount of data. This data comes f...
Hello , Check the attached document for SQL query to find salary greater than average salary Here I have shared the two methods. SQL-employee-...
PL/SQL Code to Assign Grades Based on Marks | Student Grading System In this tutorial, we will learn how to implement a simple Student Grading System...
Review comments shared by the Guest SQL Can you check the below and let me know. select rsrt.resortname, g.name as "GUEST NAME", rvr.comments fr...
Hi Rahul, Please try this one. Query: Write a query to display the cabin id , cabin type, cabin description , number of bedroom, sleep capacity...
Display guest details who paid total charges rs.50000 and above. write a query to fetch guest id, guest name, and the sum of total charges. give alias...
Let us see how we can achieve this. These type of status fields are very common in database or data warehouse we frequently use it. I use the tabl...
PL/SQL Procedure to insert employee details into the Employee table. Before inserting, check whether the employee's age is eligible or not. Employee a...
What Are ETL Tools and Why Are They Important? In today’s data-driven world, organizations rely on ETL tools (Extract, Transform, Load) to automate t...