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SQL Server Query

40 posts

How to SELECT DISTINCT on Multiple Columns in SQL Server?

Last Updated: 23 July 2025

When working with SQL Server, there are scenarios where we might need to retrieve unique combinations of values from multiple columns. This is where the SELECT DISTINCT st...read more

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SQL Server Query

Difference Between EXISTS and IN in SQL Server?

Last Updated: 23 July 2025

The SQL Server database developer is quite familiar with the filtering and retrieving operators which enable the developer to execute the query rapidly. When it comes to t...read more

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SQL Server Query

What is the Difference Between Numeric, Float, and Decimal in SQL server?

Last Updated: 23 July 2025

The SQL Server has a variety of data types to store data. These data types can accompany several forms like string, integer, double, date, time, etc. Therefore selecting t...read more

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SQL Server Query

How to Join to First Row in SQL Server

Last Updated: 23 July 2025

Joining the first row in SQL Server can be a common requirement in various scenarios, such as when we need to retrieve specific data associated with the first occurrence o...read more

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SQL Server Query

How Stuff and 'For Xml Path' work in SQL Server?

Last Updated: 23 July 2025

While working on the SQL Server database, we frequently encounter situations where data manipulation, like concatenating values from multiple rows into a single string, is...read more

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SQL Server Query

How to Create Id with AUTO_INCREMENT in SQL Server?

Last Updated: 23 July 2025

Structured Query Language also known as SQL is a tool for storing, managing, and manipulating relational databases. SQL Server is a popular relational database management ...read more

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SQL Server Query

How to Select the nth Row in a SQL Server Database Table?

Last Updated: 23 July 2025

In SQL Server databases, it's common to encounter scenarios where we need to retrieve a specific row, such as the nth row, from a table efficiently. Whether you're buildin...read more

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SQL Server Query

How to Solve Must Appear in the GROUP BY Clause in SQL Server

Last Updated: 05 March 2024

In SQL when we work with a table many times we want to use the window functions and sometimes SQL Server throws an error like "Column 'Employee. Department' is invalid in ...read more

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SQL Server Query

How to Use STRING_AGG to Concatenate Strings in SQL Server?

Last Updated: 23 July 2025

In SQL Server, string concatenation can be a powerful tool for aggregating data and creating concise, informative results. One of the most effective functions for this pur...read more

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SQL Server Query

How to Retrieving the Last Record in Each Group in SQL Server

Last Updated: 23 July 2025

In SQL Server data analysis, the need to retrieve the last record in each group is a common and essential task. Consider a scenario where you are managing a database of c...read more

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SQL Server Query

What is Nested Select Statement in SQL Server

Last Updated: 05 March 2024

SQL Server is a powerful relational database management system. Sql Server is very good with its robustness and scalability. SQL Server operates as a client-server struc...read more

SQL Server Query

How to Select Row With Max Value in SQL Server

Last Updated: 23 July 2025

In SQL Server, retrieving rows that contain the maximum value for a specific column for each distinct value in another column can be a common and challenging task. This pr...read more

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SQL Server Query

How to Get Multiple Counts With Single Query in SQL Server

Last Updated: 23 July 2025

In SQL Server, obtaining multiple counts with a single query is a common requirement, especially when we are analyzing data across different conditions. Whether we are tal...read more

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SQL Server Query

How to Select the Last Records in a One to Many Relationship using SQL Server

Last Updated: 24 July 2025

In database management, handling one-to-many relationships is common, where a record in one table relates to multiple records in another. For instance, a parent table may ...read more

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SQL Server Query

How to SELECT Top N Rows For Each Group in SQL Server

Last Updated: 20 February 2024

SQL Server’s ROW_Number() window function is often used to get the top number of rows in a group. In this article, we’ll look at how to get the top N Row Counts in SQL Ser...read more

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SQL Server Query