A DIFFERENCE BETWEEN DELETE AND TRUNCATE IN SQLBrijesh PatelJigisha TrivediIJARIIE
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...
In SQL Server, both the SEQUENCE object and IDENTITY property are used to generate a sequence of numeric values in an ascending order. However, there are several differences between the IDENTITY property and SEQUENCE object. In this article, we will look at these differences. Difference 1: The...
In this case,the DISTINCT keyword eliminates any duplicate combinations ofenrollment_yearandgpa. 4. Differences 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...
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...
When the data block is full, the new record is stored in some other block. This new data block need not to be the very next data block, but it can select any data block in the memory to store new records. The heap file is also known as an unordered file. ...
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...
SQL Server: Difference between PARTITION BY and GROUP BY 问题 I've been using GROUP BY for all types of aggregate queries over the years. Recently, I've been reverse-engineering some code that uses PARTITION BY to perform aggregations. In reading through all the documentation I can find ...
SQL Server Azure SQL Database 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 ex...
"EXISTS simply tests whether the inner query returns any row. If it does, then the outer query...