__ __ __ __ _____ _ _ _____ _ _ _ | \/ | \ \ / / | __ \ (_) | | / ____| | | | | | \ / |_ __\ V / | |__) | __ ___ ____ _| |_ ___ | (___ | |__ ___| | | | |\/| | '__|> < | ___/ '__| \ \ / / _` | __/ _ \ \___ \| '_ \ / _ \ | | | | | | |_ / . \ | | | | | |\ V / (_| | || __/ ____) | | | | __/ | | |_| |_|_(_)_/ \_\ |_| |_| |_| \_/ \__,_|\__\___| |_____/|_| |_|\___V 2.1 if you need WebShell for Seo everyday contact me on Telegram Telegram Address : @jackleetFor_More_Tools:
SQL Language Extension: COALESCE
Function:
Allow a column value to be calculated by a number of expressions,
the first expression returning a non NULL value is returned as the
column value
Author:
Arno Brinkman <firebird@abvisie.nl>
Format:
<case abbreviation> ::=
| COALESCE <left paren> <value expression> { <comma> <value expression> }... <right paren>
Syntax Rules:
1) COALESCE (V1, V2) is equivalent to the following <case specification>:
CASE WHEN V1 IS NOT NULL THEN V1 ELSE V2 END
2) COALESCE (V1, V2,..., Vn), for n >= 3, is equivalent to the following
<case specification>:
CASE WHEN V1 IS NOT NULL THEN V1 ELSE COALESCE (V2,...,Vn) END
Notes:
See also README.data_type_results_of_aggregations.txt
Examples:
A)
SELECT
PROJ_NAME AS Projectname,
COALESCE(e.FULL_NAME,'[> not assigned <]') AS Employeename
FROM
PROJECT p
LEFT JOIN EMPLOYEE e ON (e.EMP_NO = p.TEAM_LEADER)
B)
SELECT
COALESCE(Phone,MobilePhone,'Unknown') AS "Phonenumber"
FROM
Relations