Using SQL joins, you can test data integrity and consistency across tables. For example, assume you have two tables, customers and orders, with customer_id, name, email, phone, order_id, product ...

Example 2: Creating Integrity Constraints with the SQL Procedure. The following sample program creates integrity constraints using the SQL procedure. The data file PEOPLE lists employees and contains ...

Analyze database contents using basic, intermediate and advanced SQL statement syntax and usage. Demonstrate capability to query data from multiple tables using SQL JOINS. Create and modify database ...

Data can be stored in SQL, NoSQL, and cloud-native databases, data warehouses, and data lakes in various formats such as text, binary, XML and JSON formats and more. One way to ensure that data ...

You can’t know whether a database is truly secure unless you know what data has been accessed, how it has been modified, and who has viewed it. Entegra — an enterprise-level auditing tool for ...

You need to code program logic to accomplish that. But if the column is defined as a DATE then the DBMS takes care of it -- and more of the data will be accurate. Entity integrity is the most basic ...

Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is ...

This record could eventually eliminate the need for some manual reporting by providing auditors with evidence of database immutability and integrity. SQL Server 2022 also offers dynamic data masking ...

This SQL project, designed for a Data Analyst role, simulates a comprehensive database for managing employees, departments, and projects in an organization. The GEMS database consists of ...