DISTINCT Clause in SQL Practical Explanation | DISTINCT | SQL | DBMS | Telugu
DISTINCT clause OR Operator:
SQL DISTINCT clause is used to remove the duplicates columns from the result set.
It is helpful when we avoid duplicate values present in the specific columns.
The unique values are fetched when we use the distinct keyword.
SELECT DISTINCT returns only distinct (different) values.
DISTINCT eliminates duplicate records from the table.
DISTINCT can be used with aggregates: COUNT, AVG, MAX, etc.
DISTINCT operates on a single column.
Multiple columns are not supported for DISTINCT.
Syntax: SELECT DISTINCT column-name from table-name where condition
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DISTINCT Clause in SQL Practical Explanation | DISTINCT | SQL | DBMS | Telugu
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