KwickClips Databases and SQL · 41 sec · free
What is a query?
Short answer. A question or instruction to the database.
How does a statement end?
With a semicolon.
SQL in one slide
| Structured Query Language |
| Query: a question to a database |
| Runs on MySQL, Oracle, SQLite |
Remember
| SQL talks to databases |
| End each statement with ; |
How do apps ask a database for data? They use S Q L. It means Structured Query Language. A query is a question to the database. My S Q L and Oracle run it. S Q L talks to databases. End every statement with a semicolon.
This clip is from the full lesson: Introduction to SQL and MySQL: DDL, DML and DQL — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Computer Science (083), CBSE Class 11 Informatics Practices (065), CBSE Class 11 Information Technology (802), CBSE Class 11 Information Technology (802)
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