This article helps you recognize the nuances between null and empty strings. The main difference between null and empty is that the null is used to refer to nothing while empty is used to refer to a unique string with zero length. Understanding this disparity is crucial for maintaining data a...
In this article, I am going to explain the difference between Inner join and full join with examples. This is one of the very common SQL server interview questions. Here we will be using SQL Server 2017 or you can use SQL Server 2008 or above. Read my previous Joins in SQL Server 2017...
I am very new to SQL. I want to know what happens when i use "IF EXISTS" or "IF NOT EX...
Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric This function returns an integer value measuring the difference between theSOUNDEX()values of two different character expressions. ...
Let’s summarize the key differences between the GROUP BY clause and the DISTINCT clause: 5. Conclusion In this article, we’ve explored the differences between the GROUP BY and DISTINCT clauses in SQL. GROUP BY is ideal for aggregating data with summary functions, whereas DISTINCT is useful ...
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But before, let's have look into the basics of views and materialized view individually for better understanding of the differences between them. Views in SQL Views are the logical and virtual copy of a table that is created by executing a "SELECT query" statement. The views are not stored...
Bug #12176Difference between "IS NULL" and "= NULL" Submitted:26 Jul 2005 14:42Modified:26 Jul 2005 15:11 Reporter:Thomas BelotEmail Updates: Status:Not a BugImpact on me: None Category:MySQL ServerSeverity:S2 (Serious) Version:5.0.7-betaOS:Any (*) ...
We have earlier seen thedifference between SQL and NoSQL. In this post, I will tell you the basic difference betweenSQLandMySQL. Most people find it hard to wrap their head around SQL and MySQL, and you might be one of those. There are books about SQL everywhere, and for a good reaso...
The INNER JOIN between two tables returns all the rows which are present in both the tables. The concept of JOIN in SQL can be visualized using Venn diagrams. In the below Venn diagram, the circles represent the tables, and the intersection between those circles represents the INNER JOIN’s...