Equal where: { user: { id: 3 } } Contains(case-sensitive) where: { user: { id: { $contains: 3 } } } Not equal where: { user: { id: { $ne: 3 } } } Not Contains(case-sensitive) where: { user: { id: { $nContains: 3 } } } Less than where: { user: { id: { $lt: 3 } } } Is null where: { user: { id: { $null: true } } } Less than or equal where: { user: { id: { $lte: 3 } } } Is not null where: { user: { id: { $notNull: true } } } Greate than where: { user: { id: { $gt: 3 } } } Is between where: { user: { id: { $between: [3, 4] } } } Greater than or equal where: { user: { id: { $gte: 3 } } } Joins the where in an "or" expression where: [ user: { id: 3 } place: { id: 3 } ] In where: { user: { id: { $in: [1, 2, 3] } } } Joins the where in an "and" expression where: { user: { id: 3, nickname: "man", } } Not in where: { user: { id: { $nIn: [1, 2, 3] } } }