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Include NULL in the result
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Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Divers
Thread ID:
01036945
Message ID:
01037016
Vues:
22
>>This is what I currently have for VFP9. The returning result is correct:
>>
>>
>>SELECT DISTINCT padr(PROPER(ALLTRIM(Employees.cEmployee_first_name) + SPACE(1) + ;
>>	Employees.cEmployee_last_name), 50) AS cEmpName, ;
>>   Users.cUserID, Usgrlink.cUsgrlink_pk  ;
>>	 FROM Users INNER JOIN USGRLINK ;
>>   ON Users.iID = Usgrlink.iUserID ;
>>    INNER JOIN EMPLOYEE_TEAMS ;
>>   ON Employee_teams.cEmployee_teams_pk = Usgrlink.cEmployee_teams_fk ;
>>   INNER JOIN EMPLOYEES ;
>>   ON Users.cUsers_pk = Employees.cUsers_fk ;
>>   INNER JOIN Departments on Employee_teams.cDepartments_fk = Departments.cDepartments_pk ;
>>   UNION ;
>>   SELECT SPACE(50) as cEmpName, SPACE(10) as cUserID, CAST(null as C(16) NULL) as cUsGrLink_pk FROM Users
>The questio you should ask is not if it'll work but how efficient it'll be.

What is inefficient here? The users table has 50 records.
If it's not broken, fix it until it is.


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