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SQL Queries Forum
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SQL
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What are the best free online SQL tools available for developers and analysts?
By SQL Admin, Jul 27 
Topic Tags:  SQL online tools , SQL to DAX converter , SQL beautifier online , SQL query generator , SQL CASE WHEN generator ,
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1,077
By SQL Admin
2 months ago
How to Get the Second Highest Salary in SQL Using Different Methods
By SQL Admin, Jul 24 
Topic Tags:  second highest salary in , sql query for 2nd highes , sql rank salary query , dense_rank sql example , mysql second highest sal ,
  Interview Questions & Answers
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2,833
By SQL Admin
3 months ago
Best Way to Find Running Total in SQL Without Using Window Functions
By SQL Admin, Jul 24 
Topic Tags:  sql running total without , cumulative sum sql witho , mysql running total quer , sql running total exampl , running total subquery ,
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986
By SQL Admin
3 months ago
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PL SQL
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Understanding Loops in PL/SQL with Practical Examples
By SQL Admin, Jul 24 
Topic Tags:  plsql loops example , for loop in plsql , plsql while loop syntax , plsql simple loop exampl , plsql nested loops ,
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954
By SQL Admin
3 months ago
How to Delete Duplicate Records in SQL Without Using ROWID?
By SQL Admin, Jul 24 
Topic Tags:  delete duplicate records , remove duplicates sql wi , sql delete duplicates or , delete duplicates withou , remove duplicate rows my ,
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945
By SQL Admin
3 months ago
PL/SQL Code to Assign Grades Based on Marks | Student Grading System Example
By Priya Roy, Jun 03, 21 
Topic Tags:  student marks , student grade , sqlquerystudentgrade , createtablestudentgrade ,
  Interview Questions & Answers
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12.5 K
By SQL Admin
9 months ago
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Oracle
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How Does the Oracle SQL JOIN Operation Work, and What Are the Different Types of Joins?
By Vinay Kumar, Nov 03 
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1,740
By Vinay Kumar
11 months ago
What is an Oracle SQL Index, and How Does It Improve Query Performance?
By Vinay Kumar, Nov 03 
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504
By Vinay Kumar
11 months ago
DELETE vs. TRUNCATE vs. DROP in Oracle SQL: How Do They Differ?
By Vinay Kumar, Nov 03 
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1,729
By Vinay Kumar
11 months ago
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Data Warehousing & ERD
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What is the best ETL tool? What are the important features of ETL tools?
By Ganesh Kumaran, Sep 01, 20 
Topic Tags:  etltool , bestetltool , etltoolfeatures , etltoolfunctions ,
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3,419
By SQL Admin
2 months ago
ETL vs ELT in Data Warehousing: Which Strategy Maximizes Performance?
By SQL Admin, Jan 11 
Topic Tags:  ETL vs ELT in data wareho , cloud data integration s , modern ETL tools , ELT advantages for big d , scalable data transforma ,
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1,318
By SQL Admin
9 months ago
Data Warehouse Architecture: How to Build a Scalable Solution for Modern Analytics
By SQL Admin, Jan 11 
Topic Tags:  scalable data warehouse a , modern analytics solutio , ETL vs ELT data warehous , cloud data warehouse sca , data warehouse design be ,
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1,319
By SQL Admin
9 months ago
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Power BI
Q&A  47 / 50
Blog  40 / 41
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What is the difference between Power BI and Tableau? Which one would you choose and why?
By Sanjeev, Sep 09 
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746
By Sanjeev
4 weeks ago
What is Row-Level Security (RLS) in Power BI and how do you implement it?
By Sanjeev, Sep 09 
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386
By Sanjeev
4 weeks ago
What is the difference between Calculated Columns and Measures in Power BI?
By Sanjeev, Sep 09 
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313
By Sanjeev
4 weeks ago
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