5 .10- (Eng) Select Distinct Statement | sql distinct | unique sql | select distinct | sql course

Опубликовано: 30 Сентябрь 2024
на канале: TutorialsSpace- Er. Deepak Garg
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5 .10- (Eng) Select Distinct Statement | sql distinct | unique sql | select distinct | sql course

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The SQL SELECT Statement
The SELECT statement is used to select data from a database.

The data returned is stored in a result table, called the result-set.

SELECT Syntax
SELECT column1, column2, ...
FROM table_name;
Here, column1, column2, ... are the field names of the table you want to select data from. If you want to select all the fields available in the table, use the following syntax:

SELECT * FROM table_name;
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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.

SELECT DISTINCT Syntax
SELECT DISTINCT column1, column2, ...
FROM table_name; Notes Link:
http://www.tutorialsspace.com/Downloa...