Database design organizes data according to specific models. Types include rational, graph, hierarchical and network models. Database schema shows relationships between entities using SQL and other languages
SQL consists of five basic commands: ALTER, UPDATE, DELETE, INSERT, CREATE. Database Management System (DBMS) helps build and maintain databases. Data Manipulation Language (DML) includes SELECT, UPDATE, INSERT, DELETE
Data modeling helps construct and manage data for business operations. Tools provide standardized schemas and formal modeling techniques. Hevo offers seamless integration and transformation features
EER model is a high-level conceptual data model for database design. Developed to reflect complex database properties in CAD/CAM, telecommunications, and GIS. Includes all ER model concepts plus subclass/superclass relationships
ER model describes interrelated things in a domain of knowledge. Basic model consists of entity types and relationships between entities. Developed by Peter Chen in 1976 for database design. Represents business processes and data structures
Ora2Pg automates Oracle database migration to PostgreSQL compatible schema. DBConvert enables data transfer between PostgreSQL and various database systems. DB Compare tool synchronizes database structures and generates synchronization scripts. EMS Data Tools facilitate data import/export between different file formats