Can we get distinct records from table without using distinct keyword?

Use the below query to add records to the table: Now we will retrieve all the data from dup_table Table: SELECT * FROM dup_table; Now let’s retrieve distinct rows without using the DISTINCT clause.

How do I find the distinct value of a table?

The unique values are fetched when we use the distinct keyword.

1. SELECT DISTINCT returns only distinct (different) values.
2. DISTINCT eliminates duplicate records from the table.
3. DISTINCT can be used with aggregates: COUNT, AVG, MAX, etc.
4. DISTINCT operates on a single column.

How do I get distinct rows from a table?

The SQL SELECT DISTINCT Statement The SELECT DISTINCT statement is used to return only distinct (different) values. Inside a table, a column often contains many duplicate values; and sometimes you only want to list the different (distinct) values.

How can I get distinct count of records in SQL?

Syntax. SELECT COUNT(DISTINCT column) FROM table; This statement would count all the unique entries of the attribute column in the table . DISTINCT ensures that repeated entries are only counted once.

What can I use instead of distinct in Oracle?

The DISTINCT operator causes Oracle to fetch all rows satisfying the table join and then sort and filter out duplicate values. EXISTS is a faster alternative, because the Oracle optimizer realizes when the subquery has been satisfied once, there is no need to proceed further and the next matching row can be fetched.

Is SQL distinct?

The SQL DISTINCT keyword is used in conjunction with the SELECT statement to eliminate all the duplicate records and fetching only unique records. There may be a situation when you have multiple duplicate records in a table.

How do I find non duplicate records in SQL?

SELECT DISTINCT returns only unique values (without duplicates). DISTINCT operates on a single column. DISTINCT can be used with aggregates: COUNT, AVG, MAX, etc.

Does distinct apply to all columns?

Yes, DISTINCT works on all combinations of column values for all columns in the SELECT clause.

How can I delete duplicate records in SQL using distinct?

The go to solution for removing duplicate rows from your result sets is to include the distinct keyword in your select statement. It tells the query engine to remove duplicates to produce a result set in which every row is unique. The group by clause can also be used to remove duplicates.