Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...

Abstract: Aggregation functions such as COUNT, SUM, AVG, MAX, and MIN are basic tools for summarizing data in SQL. However, their behavior can be affected by several factors such as the occurrence of ...

The internal procedure logic is as follows: A FOR loop retrieves data from an oracle_fdw table and stores it in a record-type variable, TEST. Within the loop, an ...

Oracle SQL Developer allows you to connect and manage databases. It is probably the easiest way to run any query as it gives the result in a tabular format. However, we have also noticed that, in some ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

Abstract: SQL language is a non-procedural language with the defined statements and available clauses. Many times, conditions and format of the output depend on the functions. In this paper, Oracle ...

I’m encountering an issue when calling an Oracle SQL function from a Spring Boot application using JPA/Hibernate. The problem occurs when the function includes a null check, and it results in an ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...