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The SQL WHERE clause is used to specify a condition while fetching the data from single table or joining with multiple tables.
If the given condition is satisfied then only it returns specific value from the table. You would use WHERE clause to filter the records and fetching only necessary records.
The WHERE clause is not only used in SELECT statement, but it is also used in UPDATE, DELETE statement, etc.
Lts suppose you have a bayt member info table members with fields first_name ,status, and so on .
If I need first name of all bayt members with status moderator from its members table I'll Query :
SELECT first_name
FROM members
WHERE status="moderator"
Cheers!
WHERE clause is used to limit the number of rows returned by a query.
Where is used to filter the records with conditions. Like if you have10 records5 with city Dubai it can be used as WHERE city = 'Dubai' to get only records where city is Dubai.
To filter rows of data
Where clause in SQL is use for conditioning the query
Just like with others...it's use as added filter or criteria so as to have a refined result or set of data to capture.
A where clause is used to filter our the records in a selection from a table.
When using a where clause, the Select query will only fetch those records from a table that matches the condition in where clause.
The WHERE clause is used to filter records.
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All answers are correct.
In simple words, we use WHERE clause to get specific records from database table in SQL.
the WHERE clause is used to limit the query output to the information that matches the CONDITIONS in the clause.
Usually WHERE clause is used to filter the results returned from a SELECT statement. But it can also be used with INSERT,UPDATE and DELETE. WHERE caluse is accompanied by a condition which will be the filtering criteria. eg: SELECT name FROM student WHERE name='nouphal' or DELETE FROM student WHERE student_id =4;
