KwickClips Databases and SQL · 41 sec · free
How do you see all columns?
Short answer. SELECT * FROM table.
Does SELECT change the table?
No. It only reads.
Remember
| SELECT: which columns |
| FROM: which table |
| * means all columns |
Your table has five columns. How do you see just two? Select lists the columns you want. From names the table. Every row returns, with only those columns. Select picks columns. From picks the table. Star means all columns.
This clip is from the full lesson: SQL SELECT: Choosing Rows and Columns with WHERE — 6 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 9 Information Technology (402), CBSE Class 12 Computer Science (083), CBSE Class 11 Informatics Practices (065), CBSE Class 11 Informatics Practices (065)
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