Microsoft Access Database What is a Database • A database is organized collection of structured information, or data, typically stored electronically in a computer system. • A database is usually controlled by database management system (DBMS). • Together, the data and the DBMS, along with the applications that are associated with them, are referred to as a database system, often shortened to just database. What is Structured Query Language (SQL) • SQL is a programming language used by nearly all relational databases to query, manipulate, and define data, and to provide access control. Spreadsheet and Database (Excel and Access) • How the data is stored and manipulated. • Who can access data. • How much data can be stored. • Excel Stores Data. • Access Analyze and connects data. Types of Databases • Relational databases. • Object-oriented databases. • Distributed databases. • Data warehouses. • NoSQL databases. • Graph databases. • Open source databases. • Cloud databases. Types of Databases • Multimodel database • Document/JSON database. • Self-driving database. What is database software? • Database software is used to create, edit, and maintain database files and records, enabling file and record creation, data entry, data editing, updating, and reporting. Primary and Foreign Keys • Primary Key is a column that uniquely identifies each record in a table. • Foreign Key is a key that refrences primary key in another table. Types of Relationships • One to One Relationship • One to Many Relationship • Many to Many Relationship Microsoft Access Objects • Tables • Forms • Queries • Report
