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B1 中级 英语 4:26 Educational

What is SQL? [in 4 minutes for beginners]

Danielle Thé · 2,239,866 次观看 · 添加于 3 周前

学习统计

B1

CEFR 等级

5/10

难度

字幕 (111 片段)

00:00

- Data is all around us.

00:01

We used to store data on paper in big filing cabinets.

00:05

But eventually we store them online

00:07

in what we call databases. (bright ding)

00:09

How do we easily pull the data we want to look at it?

00:12

That's what SQL is for.

00:13

It's a language that communicates with databases.

00:16

(loud glitch music)

00:19

Welcome back to Glitch.

00:20

Your easy insights into Bob's big data

00:22

and artificial intelligence.

00:24

SQL stands for structured query language.

00:28

People call it SQL or Sequel.

00:30

In short, SQL is the name for a language

00:33

that is used to communicate with databases.

00:36

Databases that store your data.

00:38

If you want to pull, edit, add information to a database,

00:41

you can use the language of SQL to do that.

00:43

But how does SQL work?

00:45

Think of a database like a warehouse.

00:48

Data tables like filing cabinets

00:50

and data like files.

00:52

This warehouse or database stores data.

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Danielle Thé

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