3 回答

TA貢獻(xiàn)1780條經(jīng)驗(yàn) 獲得超4個(gè)贊
db.messages.find( { headers : { From: "reservations@marriott.com" } } )
headers
等號(hào) { From: ... }
db.messages.find( { 'headers.From': "reservations@marriott.com" } )
headers.From
headers
.

TA貢獻(xiàn)1794條經(jīng)驗(yàn) 獲得超7個(gè)贊
company
'ABC123'
address
'123 Street'
db.inventory.find( { producer: { company: 'ABC123', address: '123 Street' }});
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