ORACLEDISTINCT

Oracle's distinct usage can filter duplicate rows in the result set to ensure that the value of the specified column or columns returned in the "SELECT" clause is unique. The syntax is "SELECT DISTINCT column 1, column 2, column 3... from table name". "distinct" will sort the returned result set and can be used in conjunction with "order by" to improve efficiency.

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oracle distinct mysql

ORACLEDISTINCT

What is the usage of oracle distinct

Sep 05, 2023 am 09:47 AM

oracle distinct

How to use mysql distinct

In mysql, the distinct keyword is used to filter duplicate data. It can filter duplicate data in one or more fields in the data table and only return one piece of data to the user; the distinct keyword needs to be used together with the SELECT statement. The syntax "SELECT DISTINCT column1, column2, ... FROM table_name;".

Nov 08, 2022 pm 07:02 PM

mysql

What is the usage of mysql distinct

[mysql distinct] filters duplicate data in one or more fields in the database table and returns only one piece of data to the user. Its usage is: [select distinct field name from table name] to return unique field names.

Jun 13, 2020 pm 04:16 PM

mysql

How to use MySQL DISTINCT clause on multiple columns?

We can use DISTINCT clause on multiple columns in MySQL. In this case, the uniqueness of a row in the result set will depend on the combination of all columns. Example Consider the following table "testing" with 10 rows -mysql>select*fromtesting;+------+---------+---------+|id |fname | Lname |+------+----------+----------+| 200|Raman |Kumar&nbs

Aug 27, 2023 am 08:13 AM

How can we use MySQL DISTINCT clause with WHERE and LIMIT clause?

By using the WHERE clause with the DISTINCT clause in a MySQL query, we set a condition based on which MySQL returns the unique rows of the result set. By using the LIMIT clause and the DISTINCT clause in a MySQL query, we actually provide the server with a range on the maximum number of unique rows to be returned in the result set. Example We can use WHERE and LIMIT clauses with DISTINCT on the table named "testing" as shown below -mysql>Select*fromtesting;+------+--------- +---------+|id&nbs

Aug 24, 2023 am 09:17 AM