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Understand the use case Nature of the application OLTP/OLAP/DSS Define the entity-relationship Model Identify Data Life Cycle TTL, Backup/ Archival,

Don’t Let Consumers Solve Engineering Problems Avoid the temptation of letting data consumers solve data-engineering problems. Many types of data

TYPES OF VARIABLES discrete variablecontinuous variable Variables may also be classified according to the scale on which they are measured.