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What is SQL? [in 4 minutes for beginners]
学習統計
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- Data is all around us.
We used to store data on paper in big filing cabinets.
But eventually we store them online
in what we call databases. (bright ding)
How do we easily pull the data we want to look at it?
That's what SQL is for.
It's a language that communicates with databases.
(loud glitch music)
Welcome back to Glitch.
Your easy insights into Bob's big data
and artificial intelligence.
SQL stands for structured query language.
People call it SQL or Sequel.
In short, SQL is the name for a language
that is used to communicate with databases.
Databases that store your data.
If you want to pull, edit, add information to a database,
you can use the language of SQL to do that.
But how does SQL work?
Think of a database like a warehouse.
Data tables like filing cabinets
and data like files.
This warehouse or database stores data.
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