Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
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-- Создаём табличку
CREATE TABLE IF NOT EXISTS employee (id int PRIMARY KEY, name text not null, salary int not null);
-- Для примера две записи
insert into employee (id, name, salary) values (1, 'Иван', 10000);
insert into employee (id, name, salary) values (2, 'Пётр', 20000);
-- Обновляем запись
UPDATE employee set salary = 15000 WHERE id = 1;
-- Обновляем запись с нашим условием - если переданное значение больше того что уже хранится, то вставляем его, иначе оставляем как было
-- "переданное значение" тут =5000
UPDATE employee SET salary = 5000 WHERE id = 1 and salary < 5000;
-- Ну и выбираем результат
SELECT * from employee;
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RDBMS versions: MySQL 8.0, MySQL 8.0 Sakila (ReadOnly), MySQL 9.3.0, MariaDB 11.4, MariaDB 11.8, MariaDB 11.8 OpenFlights (ReadOnly), 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 + PostGIS, PostgreSQL 17 + PostGIS WorkShop (ReadOnly), 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), Firebird 5.0, RedDatabase 5.0, Oracle Database 19c (HR), Oracle Database 21c, Oracle Database 23c Free, SOQOL, ClickHouse