# Database Engineering

## Database Engineering

- [Need of Database](https://courses.parottasalna.com/database-engineering/need-of-database.md)
- [Database and Database Management System](https://courses.parottasalna.com/database-engineering/database-and-database-management-system.md)
- [What is Relational Database Model ?](https://courses.parottasalna.com/database-engineering/what-is-relational-database-model.md)
- [Installing Postgresql](https://courses.parottasalna.com/database-engineering/installing-postgresql.md)
- [Installing PostgreSQL on Linux](https://courses.parottasalna.com/database-engineering/installing-postgresql/installing-postgresql-on-linux.md)
- [Installing PostgreSQL on Windows](https://courses.parottasalna.com/database-engineering/installing-postgresql/installing-postgresql-on-windows.md)
- [Installing PostgreSQL on Mac](https://courses.parottasalna.com/database-engineering/installing-postgresql/installing-postgresql-on-mac.md)
- [Postgres in Docker](https://courses.parottasalna.com/database-engineering/installing-postgresql/postgres-in-docker.md)
- [What happens during the initial installation ?](https://courses.parottasalna.com/database-engineering/what-happens-during-the-initial-installation.md)
- [Roles, Users & Groups](https://courses.parottasalna.com/database-engineering/what-happens-during-the-initial-installation/roles-users-and-groups.md)
- [More examples on Roles](https://courses.parottasalna.com/database-engineering/what-happens-during-the-initial-installation/more-examples-on-roles.md)
- [Sample Databases](https://courses.parottasalna.com/database-engineering/sample-databases.md)
- [DVD Rental Database](https://courses.parottasalna.com/database-engineering/sample-databases/dvd-rental-database.md)
- [SELECT Query](https://courses.parottasalna.com/database-engineering/querying-data/select-query.md)
- [Column Aliases](https://courses.parottasalna.com/database-engineering/querying-data/column-aliases.md)
- [Order By](https://courses.parottasalna.com/database-engineering/querying-data/order-by.md)
- [SELECT DISTINCT](https://courses.parottasalna.com/database-engineering/querying-data/select-distinct.md)
- [DB-TASK-001](https://courses.parottasalna.com/database-engineering/querying-data/db-task-001.md)
- [WHERE ?](https://courses.parottasalna.com/database-engineering/filtering-data/where.md)
- [AND Operator](https://courses.parottasalna.com/database-engineering/filtering-data/and-operator.md)
- [OR Operator](https://courses.parottasalna.com/database-engineering/filtering-data/or-operator.md)
- [LIMIT](https://courses.parottasalna.com/database-engineering/filtering-data/limit.md)
- [FETCH](https://courses.parottasalna.com/database-engineering/filtering-data/fetch.md)
- [IN](https://courses.parottasalna.com/database-engineering/filtering-data/in.md)
- [BETWEEN](https://courses.parottasalna.com/database-engineering/filtering-data/between.md)
- [LIKE](https://courses.parottasalna.com/database-engineering/filtering-data/like.md)
- [SIMILAR TO](https://courses.parottasalna.com/database-engineering/filtering-data/similar-to.md)
- [IS NULL](https://courses.parottasalna.com/database-engineering/filtering-data/is-null.md)
- [ESCAPE](https://courses.parottasalna.com/database-engineering/filtering-data/escape.md)
- [DB-TASK-002](https://courses.parottasalna.com/database-engineering/filtering-data/db-task-002.md)
- [What is an ER Diagram ?](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/what-is-an-er-diagram.md)
- [Entity](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/entity.md)
- [Identifiers](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/identifiers.md)
- [Relationship](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/relationship.md)
- [Attributes](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/attributes.md)
- [Cardinality](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/cardinality.md)
- [Entity Relationship Diagram Tutorial](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/entity-relationship-diagram-tutorial.md)
- [DB-TASK-003](https://courses.parottasalna.com/database-engineering/entity-relationship-diagram/db-task-003.md)
- [Joins](https://courses.parottasalna.com/database-engineering/joins/joins.md)
- [Joins With Employee and Departments](https://courses.parottasalna.com/database-engineering/joins/joins-with-employee-and-departments.md)
- [Joins on E-Commerce](https://courses.parottasalna.com/database-engineering/joins-on-e-commerce.md)