Select: return '0' if the value of the field is NULL

Below is a select statement, some of the fields may return "NULL" I will use this select statement to insert the values into another database that doesn't allow nulls. How can I modify this select statement to that it returns '0' if the field value is NULL?

        1 AS sec_questionnaire,
        CMSContacts ,
        CMSCases ,
        SUBSTRING(AccessRights, 7, 1)AS sec_billing ,
        0 AS sec_regionalcenters,
        0 AS sec_agents,
        1 AS sec_messages,
        CMSReports ,
        1 AS sec_blankforms,
        1 AS sec_calendar,
        RCAccess ,
        1 AS sec_usefullinks,
        SUBSTRING(AccessRights, 2, 1) AS cases_general ,
        SUBSTRING(AccessRights, 3, 1) AS cases_links,
        SUBSTRING(AccessRights, 5, 1) AS case_notes,
        1 AS cases_reminders,
        SUBSTRING(AccessRights, 6, 1) AS case_documents,
        SUBSTRING(AccessRights, 8, 1) AS case_steps,
        SUBSTRING(AccessRights, 9, 1) AS cases_related,
        SUBSTRING(AccessRights, 10, 1) AS cases_main,
        SUBSTRING(AccessRights, 11, 1) AS cases_forms,
        Deletefiles ,
        0 AS activity_EB5,
        Uploadocs ,
        SecBillingedit ,
        SecBillingdelete ,
 FROM Userlogin

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Russ SuterSenior Software DeveloperCommented:
Use the COALESCE function. It will return the first non null value in an argument list.

  COALESCE(column1, 0)

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PortletPaulEE Topic AdvisorCommented:
ISNULL(column,0)   can be used in SQL Sever

COALESCE is available in many SQL dialects
AleksAuthor Commented:
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