In SQL Server, the 'N' in N'...' represents 'National Character Set' and is used to identify Unicode strings. The core function of this syntax is to inform the database that the string should be ...

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

Suppose you are a project manager using Excel to track your team’s tasks. You have created a database with columns like Tasks, Assignee, Status, and Due Date. Now you want to ch ...

Contribute to aetekpo/SQL development by creating an account on GitHub.

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.

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 ...

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