MongoDB: Introduction

in #mongodb3 years ago


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MongoDB Expressions

SQLMongoDB
TableCollection
RowDocument
ColumnField

BSON Object ID

MongoDB Object ID: 5a771edb402dcf1b06a52e57
12 Byte Primarykey

Byte 0-3: Unix Timestamp
Byte 4-6: Machine Identifier
Byte 7-9: Process Identifier (PID)
Byte 10-11: Random Counter

BSON Atomic Data Types

  • BSON Object IDs
  • String
  • Float64 (double)
  • Float128
  • Boolean
  • Date
  • Null
  • Regex
  • JavaScript
  • int32
  • int64
  • Binary
  • Timestamp
  • Array
  • Object

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