Learn SQL articles

What is the purpose of the TRY_CAST and TRY_CONVERT functions in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> For those seeking to deepen their understanding of SQL, an encounter with the TRY_CAST and TRY_CONVERT functions is inevitable. These two functions are vital tools within the SQL landscape and unlock a high degree of flexibility when dealing with a variety […]

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What is the purpose of the UNION and UNION ALL operators in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In Structured Query Language (SQL), UNION and UNION ALL operators are used for combining rows from two or more tables. The goal of these operators is data integration from various sources. But although their operation appears similar, there are fundamental differences

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What is the purpose of the UNPIVOT operator in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Structured Query Language, or SQL, offers a multitude of operators to refine and manipulate data stored in relational databases. Among these operators, UNPIVOT holds a lot of significance. The UNPIVOT operator is used to convert columns into rows. It is, in

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What is the purpose of the WHERE clause in SQL?

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> In SQL, a language used to communicate and manipulate databases, the WHERE clause is used to filter records. Specifically, it extracts only those records that fulfill a specified criterion. It is an indispensable part of SQL programming that enhances the sophistication

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Working with Filestream and FileTable Together in SQL Server

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> ** Introduction In SQL Server, Filestream and FileTable were designed to deliver the best of SQL Server and Windows to store and manage documents and unstructured data. The rest of this post will take you through the process of working with

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Writing Efficient SQL Code in Databricks: Best Practices and Tips

For an instructor lead, in-depth look at learning SQL click below. Learn SQL >> Databricks, a leader in big data analytics, offers a powerful platform to perform data science operations at scale. One of the main features of Databricks is its ability to write and execute SQL queries on massive datasets, which makes SQL an

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