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Creating relationships in Base

asked 2017-03-28 18:36:49 +0200

rymong gravatar image

Ucanal Database v023-119.odb

Hello.

I am trying to tie the different tables in an archaeological database together using Relationships, but I keep getting an error when I try to create one. Can you assist?

An example: "Name" column in ANCIENTITEM to "Lot" Column in Lot Table This would tie our information for each lot to the ceramics found in that lot.

Error: Column types do not match in statement [ALTER TABLE "Lot Table" ADD FOREIGN KEY ("Lot") REFERENCES "ANCIENTITEM" ("NAME")]

Forgive me, I'm not knowledgeable about relationships, keys, etc.

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The attached sample is damaged and cannot be opened normally.

Ratslinger gravatar imageRatslinger ( 2017-03-28 18:40:18 +0200 )edit

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answered 2017-03-28 19:16:15 +0200

Ratslinger gravatar image

Without the sample or further information on the involved fields an answer will be difficult. However, I still have the old sample from last year. This sample does not have the "ANCIENTITEM" table and the "Lot Table" may have since changed.

What I do see from what I have is the "Lot" field in the "Lot Table" is a field of type Integer. It would appear the "NAME" field in "ANCIENTITEM" table would be of type varchar (alpha/numeric). The two fields must be a match in both type and content.

The ALTER statement in itself is syntactically correct.

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What may also help is the documentation found on this site - click here. Refer to Chapter 3 Tables. There is a section labeled Linking Tables. Also same chapter section on Relationships between tables.

Ratslinger gravatar imageRatslinger ( 2017-03-28 20:16:04 +0200 )edit
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Asked: 2017-03-28 18:36:49 +0200

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Last updated: Mar 28 '17