Joining/Linking a Table ArcView_module_8 May 14, 10:40 AM
Outline Possible relations between tables Requirements for joining a table How to join a table in ArcView How to link a table in ArcView
Table Join + Destination Table Source Table Join Destination Table Source table is appended to the destination table based on common field here, FIPS code What is Table Join?
One-to-one relation Possible Relations between Destination and Source Tables Destination TableSource Table
Many-to-one relation Possible Relations between Destination and Source Tables Destination TableSource Table
One-to-many relation Possible Relations between Destination and Source Tables Destination TableSource Table Which one to choose?
One-to-many relation Possible Relations between Destination and Source Tables Destination Table Source Table First matching row Join You lose information
Requirements for Table Join One-to-one or many-to-one relations between the destination table and source table Same field type for the common fields
How it works How to Join a Table in ArcView + Destination Table Source Table Join Destination Table Source table is virtually appended to the Destination table based on the common field
How to join Make the common field active in the source table (most recent active table) Make the common field active in the destination table (active table) Choose Join button How to Join a Table in ArcView
One-to-many relations How to Link a Table in ArcView Destination Table Source Table e.g. A company owns multiple properties
How it works ArcView defines a relationship between two tables, rather than appending the fields of the source table to those in the destination How to Link a Table in ArcView You can check if they are linked by selecting records in the destination table; it will automatically select records in the linked source table
How to link Make the common field active in the source table (most recent active table) Make the common field active in the destination table (active table) Choose the Link from the Table menu How to Link a Table in ArcView