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study_process_database - MSSQL

Учебная база данных для SQL Server, тема Учебный процесс в вузе

  1. Загружаем MS SQL Server (SQL Server Management Studio 2019 were used here)
  2. Запускаем .sql скрипт, база локально развернется на вашем ПК

Диаграмма БД

image

Also included BookShopDB .sql script

PSQL - pg db

-- change varchar constraint to int 
ALTER TABLE client DROP CONSTRAINT client_pkey CASCADE;
ALTER TABLE client ALTER COLUMN id TYPE integer USING (id::integer);
ALTER TABLE client ADD CONSTRAINT client_pkey PRIMARY KEY (id);
ALTER TABLE client RENAME id TO clientId;

table info

select column_name, data_type, character_maximum_length, column_default, is_nullable from INFORMATION_SCHEMA.COLUMNS where table_name = 'client';

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