Answers for "sql unique and distinct"

SQL
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distinct in sql

SELECT DISTINCT FIRST_NAME FROM VISITORS;
Posted by: Guest on August-08-2021
0

sql distinct vs unique

Unique: helps to ensure that all the values
in a column are different
Distinct: helps to remove all the duplicate
records when retrieving the records from a table.
Posted by: Guest on January-07-2021

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