онлайн компилятор для SQL Plus
create table student(number numeric(10)primary key,name varchar(20));
Jeel Thummar
create table student(number numeric(10)primary key,name varchar(20));
SELECT *FROM TAB;create table company(empname char(15), empcode varchar(15), address char(15), designation char(15), grade char(15), dateofjoin varchar(15), salary int(15));I recomend popSql or online: https://www.tutorialspoint.com/execute_sql_online.php