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SQL for Business Analyst

Last Updated: 23 July 2025

SQL (Structured Query Language) is a critical skill for business analysts. It allows them to extract, manipulate, and analyze data stored in relational databases. Whether ...read more

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Business Analyst

SQL SUM() Function

Last Updated: 23 July 2025

The SUM() function in SQL is one of the most commonly used aggregate functions. It allows us to calculate the total sum of a numeric column, making it essential for report...read more

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SQL Count() Function

Last Updated: 23 July 2025

In the world of SQL, data analysis often requires us to get counts of rows or unique values. The COUNT() function is a powerful tool that helps us perform this task. Wheth...read more

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SQL AND Operator

Last Updated: 23 July 2025

In SQL, the AND operator is an essential tool used to combine multiple conditions in a WHERE clause. This allows us to filter records based on multiple criteria, making ou...read more

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SQL RENAME TABLE

Last Updated: 23 July 2025

Renaming a table is a common and useful operation for database administrators and developers. It is especially useful when we need to correct a naming mistake, organize o...read more

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Database Development Life Cycle

Last Updated: 23 July 2025

In computer systems, data are stored in file-based systems and database systems. File-based systems fail to effectively check data duplication, accuracy, and integrity, le...read more

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Database Design

How much SQL do you need to know as a developer?

Last Updated: 23 July 2025

For any software developers SQL is very essential to learn as they may come across a situation where they have to deal with SQL queries to manage data stored in the databa...read more

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Top 10 SQL Databases To Learn in 2025

Last Updated: 23 July 2025

In the domain of information technology, where data is superior, businesses strive to find ways of storing, manipulating, and interpreting their rapidly increasing amounts...read more

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Last Updated: 31 July 2025

Structured Query Language (SQL) is the standard language used to interact with relational databases. Mainly used to manage data. Whether you want to create, delete, update...read more

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How To Connect Express Application To MongoDB and MySQL?

Last Updated: 23 July 2025

Integrating a database like MongoDB or MySQL with your ExpressJS application is very important for efficient data storage and efficient retrieval of data from the storage....read more

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Web Technologies

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Geeks Premier League 2023

Difference Between ON DELETE CASCADE and ON DELETE SET NULL in DBMS

Last Updated: 23 July 2025

ON DELETE CASCADE and ON DELETE SET NULL are two important options in SQL foreign key constraints that define how the database handles related records in a child table whe...read more

SQL Query Interview Questions

Last Updated: 23 July 2025

SQL or Structured Query Language, is the standard language for managing and manipulating relational databases such as MySQL, Oracle, and PostgreSQL. It serves as a powerfu...read more

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Interview-Questions

Working on Oracle Tablespaces for Developers

Last Updated: 23 July 2025

A database, as defined by Oracle, is an organized collection of information typically stored electronically in a computer system. The explanation is simple, however, it’s ...read more

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SQL vs. Python: What's the Difference?

Last Updated: 23 July 2025

As we know Python and SQL are the two most popular programming languages. Nowadays Data analysis and data management are essential and these languages play important roles...read more

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Top 10 SQL Projects For Data Analysis

Last Updated: 23 July 2025

SQL stands for Structured Query Language and is a standard database programming language that is used in data analysis and to access data in databases. It is a popular que...read more

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