Business Intelligence and Reports

Creating an order report involves summarizing and analyzing order-related data, such as sales, quantities, and customer information. Here’s an example of how to create an order report using SQL for data extraction and visualization tools for presentati ...

A glossary of key terms related to SQL

SQL (Structured Query Language)A programming language used for managing and manipulating relational databases. DatabaseA structured collection of data stored in a computer system, organized in tables, and accessible through a database management ...

PL/SQL questions along with examples

Here are some PL/SQL questions along with examples that demonstrate key concepts in Oracle: What is the basic structure of a PL/SQL block? Question: Describe the structure of a PL/SQL block and write an example of an anonymous PL/SQL block tha ...

Introduction to SQL Partitions

SQL partitions are a powerful feature in database management systems that allow you to divide a large table into smaller, more manageable pieces while still being able to query the entire table as if it were a single entity. This technique can signific ...

How to Implement SQL Data Validation

Implementing SQL data validation is a crucial step in ensuring data integrity, accuracy, and consistency within a database. Data validation is the process of checking data for correctness, completeness, and compliance with business rules before it is e ...

Introduction to SQL Views

SQL triggers are a powerful feature in database management systems that allow automatic execution of a predefined set of actions in response to certain events on a table or view. These events can include insertions, updates, or deletions of records. By u ...