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SELECT Basics: Read Rows Without Changing Data — Ravi Sir's Cards

All SQL cards

Revision cards

SELECT basics. You should read a table safely before you change anything in it.
SELECT basics · PNG

Interview cards

What does SELECT do? SELECT reads rows from a table and shows them to you. It does not delete or update anything.
What does SELECT do? · PNG

Comparison cards

SELECT * vs named columns. SELECT * returns every column in the table. Naming the columns returns only the columns you list.
SELECT * vs named columns · PNG