JAVASCRIPT

sequelize

Useful links articles:
Sequelize : https://dev.to/nedsoft/getting-started-with-sequelize-and-postgres-emp
PostgreSql : https://www.digitalocean.com/community/tutorials/how-to-install-postgresql-on-ubuntu-20-04-quickstart

op in sequelize

//First method
// selecting authorityId :12 or 13
model.findAll({
  where: {
    [Op.or]: [
      { authorId: 12 },
      { authorId: 13 }
    ]
  }
});

sequelize and

{ where: { [Op.and]: [{ Col1: val1 }, { Col2: val2 }]} }

in in sequelize

await Tag.findAll({
  where: {
    id: {
      [Sequelize.Op.in]: [1, 2, 3, 4]
    }
  }
});

op in sequelize

// second method
// selecting authorityId :12 or 13
model.findAll({
  where: {
    authorId: {
      [Op.or]: [12, 13]
    }
  }
});

sequelize

npm install --save sequelize

sequelize

Sequelize is a modern TypeScript and Node.js ORM for Postgres, MySQL, MariaDB, SQLite and SQL Server, and more. 
Featuring solid transaction support, relations, eager and lazy loading, read replication and more.

sequelize

Sequelize is a modern TypeScript and Node.js ORM for Postgres, 
MySQL, MariaDB, SQLite and SQL Server, and more. 
Featuring solid transaction support, relations, 
eager and lazy loading, read replication and more.