postgresql create table if not exists code example

Example 1: how to check table exists or not in postgresql

SELECT 1 FROM information_schema.tables
WHERE table_schema = 'schema_name'	AND table_name = 'table_name';

Example 2: mysql create table if not exists

CREATE TABLE [IF NOT EXISTS] table_name(
   column_1_definition,
   column_2_definition,
   ...,
   table_constraints
) ENGINE=storage_engine;

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