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Asked: 2026-05-23T15:06:44+00:00

I have this big database table that tracks (currently in production), a persons medical

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I have this big database table that tracks (currently in production), a persons medical certification by: Date expires (exp), the company, if we have it on file and the location of a digital copy. We track in many (growing) categories such as CPR, CPR child, AED, Lifeguarding etc…

How do I make this easier to manage and how can I migrate existing data over? I’m coldfusion web app running SQL server 2008. 

CREATE TABLE [dbo].[mod_StudentCertifications](
    [certificationID] [int] IDENTITY(1,1) NOT NULL,
    [profileID] [int] NOT NULL,
    [cprAdultExp] [datetime] NULL,
    [cprAdultcompany] [nvarchar](250) NULL,
    [cprAdultImage] [nvarchar](4000) NULL,
    [cprAdultOnFile] [bit] NULL,
    [cprInfantChildExp] [datetime] NULL,
    [cprInfantChildcompany] [nvarchar](250) NULL,
    [cprInfantChildImage] [nvarchar](4000) NULL,
    [cprInfantChildOnFile] [bit] NULL,
    [cprFPRExp] [datetime] NULL,
    [cprFPRcompany] [nvarchar](250) NULL,
    [cprFPRImage] [nvarchar](4000) NULL,
    [cprFPROnFile] [bit] NULL,
    [aedExp] [datetime] NULL,
    [aedcompany] [nvarchar](250) NULL,
    [aedImage] [nvarchar](4000) NULL,
    [aedOnFile] [bit] NULL,
    [firstAidExp] [datetime] NULL,
    [firstAidcompany] [nvarchar](250) NULL,
    [firstAidImage] [nvarchar](4000) NULL,
    [firstAidOnFile] [bit] NULL,
    [emtExp] [datetime] NULL,
    [emtcompany] [nvarchar](250) NULL,
    [emtImage] [nvarchar](4000) NULL,
    [emtOnFile] [bit] NULL,
    [waterSafetyInstructionExp] [datetime] NULL,
    [waterSafetyInstructioncompany] [nvarchar](250) NULL,
    [waterSafetyInstructionImage] [nvarchar](4000) NULL,
    [waterSafetyInstructionOnFile] [bit] NULL,
    [bloodPathogensExp] [datetime] NULL,
    [bloodPathogenscompany] [nvarchar](250) NULL,
    [bloodPathogensImage] [nvarchar](4000) NULL,
    [bloodPathogensOnFile] [bit] NULL,
    [oxygenAdminExp] [datetime] NULL,
    [oxygenAdmincompany] [nvarchar](250) NULL,
    [oxygenAdminImage] [nvarchar](4000) NULL,
    [oxygenAdminOnFile] [bit] NULL,
    [lifegaurdingExp] [datetime] NULL,
    [lifegaurdingcompany] [nvarchar](250) NULL,
    [lifegaurdingImage] [nvarchar](4000) NULL,
    [lifegaurdingOnFile] [bit] NULL,
    [wildernessResponderExp] [datetime] NULL,
    [wildernessResponderCompany] [nvarchar](250) NULL,
    [wildernessResponderImage] [nvarchar](4000) NULL,
    [wildernessResponderOnFile] [bit] NULL,
    [certNotes] [nvarchar](4000) NULL,
    [isActive] [bit] NULL,
    [certClassRegistered] [bit] NULL,
    [lifeguardInstrcutorExp] [datetime] NULL,
    [lifeguardInstrcutorCompany] [nvarchar](250) NULL,
    [lifeguardInstrcutorImage] [nvarchar](4000) NULL,
    [lifeguardInstrcutorOnFile] [bit] NULL
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1 Answer

  1. Editorial Team

    Notice how all of your certifications have the same repeating columns of information: Expiration, Company, Image, OnFile? That’s a big clue that you’re in need of further normalization of your design.

    In a perfect world (one where you’re able to make schema changes), I’d create a generic student/certification table, with those common elements as columns, a foreign key to another table that enumerates the certificates (Water Safety, Wilderness, etc.) and another foreign key linking the students to those certifications. Something like:

    enter image description here

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