]> gitweb.michael.orlitzky.com - dead/census-tools.git/blob - sql/create_tlid_unique_index.sql
Modified the Data module and download script to download the Summary File 1 data.
[dead/census-tools.git] / sql / create_tlid_unique_index.sql
1 /*
2 The TIGER/Line ID (tlid) for each line is supposed to be
3 unique. If it isn't, problems, so we enforce it in the
4 database.
5 */
6
7 CREATE UNIQUE INDEX idx_tiger_lines_tlid_unique
8 ON tiger_lines (tlid);