orm javascript code example

Example 1: or operator javascript

//|| is the or operator in JavaScript
if(a == 1 || b != 'value'){
    yourFunction();
}

Example 2: sequelize

$ npm install --save sequelize # This will install v5
$ npm install --save-dev sequelize-cli
 
# And one of the following: 
$ npm install --save pg pg-hstore # Postgres 
$ npm install --save mysql2
$ npm install --save mariadb
$ npm install --save sqlite3
$ npm install --save tedious # Microsoft SQL Server 

//Generate Models Auto with sequelize-auto
$ npm install mysql2 -g
$ npm install -g sequelize-auto-v2

//Comand to generate models from database
sequelize-auto -o "./models" -d schema -h localhost -u user -p 3306 -x password -e dialect

Exemple:
sequelize-auto -o "./models" -d nomeDoShema -h localhost -u usuarioDaConexao -p 3306 -x senhaDaConexao -e mysql