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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code.
You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.
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CREATE DATABASE STUDENCI; USE STUDENCI; CREATE TABLE STUDENCI ( numer_indeksu INT PRIMARY KEY, imie VARCHAR(50) NOT NULL, nazwisko VARCHAR(50) NOT NULL, kierunek VARCHAR(100) NOT NULL, rok_studiow INT NOT NULL ); CREATE TABLE PROWADZACY ( id_prowadzacego INT AUTO_INCREMENT PRIMARY KEY, imie VARCHAR(50) NOT NULL, nazwisko VARCHAR(50) NOT NULL, tytul VARCHAR(50), godziny_przyjec VARCHAR(100) ); CREATE TABLE PRZEDMIOTY ( id_przedmiotu INT AUTO_INCREMENT PRIMARY KEY, nazwa VARCHAR(100) NOT NULL, typ ENUM('lab.', 'ćwiczenia', 'wykład') NOT NULL, punkty INT NOT NULL, id_prowadzacego INT, FOREIGN KEY (id_prowadzacego) REFERENCES PROWADZACY(id_prowadzacego) ); CREATE TABLE OCENY ( id_oceny INT AUTO_INCREMENT PRIMARY KEY, numer_indeksu INT, id_przedmiotu INT, ocena DECIMAL(3,2) NOT NULL, FOREIGN KEY (numer_indeksu) REFERENCES STUDENCI(numer_indeksu), FOREIGN KEY (id_przedmiotu) REFERENCES PRZEDMIOTY(id_przedmiotu) );
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MySQL 8.0
MySQL 8.0 Sakila (ReadOnly)
MySQL 9.3.0
MariaDB 11.4
MariaDB 11.8
MariaDB 10
MariaDB 10 Sakila (ReadOnly)
SQLite 3
SQLite 3 Preloaded
PostgreSQL 10 Bookings (ReadOnly)
PostgreSQL 13
PostgreSQL 14
PostgreSQL 15
PostgreSQL 16
PostgreSQL 17
MS SQL Server 2017
MS SQL Server 2019
MS SQL Server 2022
MS SQL Server 2022 AdventureWorks (ReadOnly)
Firebird 4.0
Firebird 4.0 (Employee)
Oracle Database 19c (HR)
Oracle Database 21c
Oracle Database 23c Free
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