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Villerys39 Villerys39
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5 years ago

Question 1.

In the following sample document data (presented in MongoDB syntax), how many documents are there?
{
 _id: "Advisor1",
 name: "Shire, Robert",
 dept: "History",
 yearHired: 1975
}
{
 _id: 555667777,
 name: "Tierney, Doris",
 majors: ["Music", "Spanish"],
 addresses: [
{
​street: "14510 NE 4th Street",
​city: "Bellevue",
​state: "WA",
​zip: "98005"
​},
​{
​street: "335 Aloha Street",
​city: "Seattle",
​state: "WA",
​zip: "98109"
​}
​],
advisorID: "Advisor1"
}

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Question 2.

In a column family database, the unit of data that most closely corresponds to a relation is the ________.

• column

• timestamp

• column family

• keyspace
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
Authors:
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gturgtur
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Villerys39 Author
wrote...
#2
5 years ago
Thank you
wrote...
#3
3 years ago
thank you
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