Here are the main differences in VARCHAR between SQL Server and PostgreSQL: In SQL Server, the 'N' in N'...' represents 'National Character Set' and is used to identify Unicode strings. The core ...

In relational databases, VARCHAR is one of the most commonly used string data types for storing variable-length character data ... and usage details of VARCHAR among various databases, with SQL Server ...

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Regex-dependent string functions are string functions that take regular expressions (regexes) as parameters and are popular means of manipulating strings. They are frequently used for, e.g., string ...

Splitting a string by a delimiter in SQL Server involves breaking a single text string into smaller parts based on a chosen character. This is often done using functions like STRING_SPLIT, which ...

# COMPLETE MYSQL PRACTICLE. Contribute to kodigitaccount/MYSQL development by creating an account on GitHub.

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

String Functions The SQL string functions are applied for working with the textual and string data. They have quite a large part involved in cleaning, transforming, and extracting data from the text ...

This guide provides step-by-step instructions with examples how to extract a substring in Excel using various text functions.

SQL window functions provide extremely powerful and useful features that let you work with observations more easily. Different types explained here.