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Sospeter Mong'are @msnmongare

Transitioning From MySQL To PostgreSQL: Key Differences

When migrating from MySQL to PostgreSQL, understand data type differences, case sensitivity, and unique features like TIMESTAMPTZ for time zones and GIN indexes for efficient searches.

When transitioning from MySQL to PostgreSQL, it is essential to understand the differences in how these databases handle queries, data types, and features. This article provides a detailed comparison to help ensure a smooth migration.


  
  
  1. Data Types

MySQL and PostgreSQL use different data types for similar purposes. Below is a summary of key differences:


MySQL Data Type
PostgreSQL Equivalent
Notes


TINYINT
SMALLINT
Use BOOLEAN for true/false values.

DATETIME
TIMESTAMP
PostgreSQL supports TIMESTAMPTZ for time zones.

TEXT
TEXT
Same behavior in both.

ENUM
TEXT + CHECK constraint
P...