MongoDB: Query
db.checkins.find( {
region_slug: 'scotland-islay',
rating: { $gte: 3 }
}, {
whisky: 1, rating: 1, age: 1
} ).pretty();
db.checkins.find( {
*region_slug: 'scotland-islay',*
rating: { $gte: 3 }
}, {
whisky: 1, rating: 1, age: 1
} ).pretty();
Equality Match
db.checkins.find( {
region_slug: 'scotland-islay',
*rating: { $gte: 3 }*
}, {
whisky: 1, rating: 1, age: 1
} ).pretty();
Equality Match
Match with a Query Operator
db.checkins.find( {
region_slug: 'scotland-islay',
rating: { $gte: 3 }
}, {
*whisky: 1, rating: 1, age: 1*
} ).pretty();
Equality Match
Match with a Query Operator
Projection
As SQL:
SELECT whisky, rating, age
FROM checkins
WHERE region_slug = "scotland-islay" AND
rating >= 3;