Nice exposition on indices and keys from Herouth Maoz which appeared  on the mailing lists a while ago. Maybe slightly changed to fit docs. Will go into the User's Guide.
Nice exposition on indices and keys from Herouth Maoz which appeared
 on the mailing lists a while ago. Maybe slightly changed to fit docs.
Will go into the User's Guide.

rvs/gpdb,foyzur/gpdb,foyzur/gpdb,rvs/gpdb,kaknikhil/gpdb,postmind-net/postgres-xl,xuegang/gpdb,yuanzhao/gpdb,ahachete/gpdb,jmcatamney/gpdb,snaga/postgres-xl,greenplum-db/gpdb,rvs/gpdb,foyzur/gpdb,ovr/postgres-xl,chrishajas/gpdb,lpetrov-pivotal/gpdb,lpetrov-pivotal/gpdb,CraigHarris/gpdb,50wu/gpdb,lpetrov-pivotal/gpdb,zeroae/postgres-xl,cjcjameson/gpdb,Quikling/gpdb,zaksoup/gpdb,postmind-net/postgres-xl,randomtask1155/gpdb,janebeckman/gpdb,rubikloud/gpdb,atris/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,Quikling/gpdb,snaga/postgres-xl,50wu/gpdb,lintzc/gpdb,Postgres-XL/Postgres-XL,kmjungersen/PostgresXL,50wu/gpdb,CraigHarris/gpdb,royc1/gpdb,tangp3/gpdb,rubikloud/gpdb,zaksoup/gpdb,ashwinstar/gpdb,jmcatamney/gpdb,techdragon/Postgres-XL,randomtask1155/gpdb,yuanzhao/gpdb,tpostgres-projects/tPostgres,rvs/gpdb,arcivanov/postgres-xl,Quikling/gpdb,greenplum-db/gpdb,xinzweb/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,ahachete/gpdb,xinzweb/gpdb,Chibin/gpdb,Quikling/gpdb,Chibin/gpdb,jmcatamney/gpdb,Chibin/gpdb,greenplum-db/gpdb,oberstet/postgres-xl,ahachete/gpdb,kaknikhil/gpdb,Chibin/gpdb,0x0FFF/gpdb,randomtask1155/gpdb,cjcjameson/gpdb,Quikling/gpdb,tangp3/gpdb,adam8157/gpdb,lisakowen/gpdb,rubikloud/gpdb,Postgres-XL/Postgres-XL,lintzc/gpdb,chrishajas/gpdb,zaksoup/gpdb,foyzur/gpdb,Chibin/gpdb,tpostgres-projects/tPostgres,cjcjameson/gpdb,lpetrov-pivotal/gpdb,ashwinstar/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,lisakowen/gpdb,atris/gpdb,CraigHarris/gpdb,Quikling/gpdb,tangp3/gpdb,Chibin/gpdb,randomtask1155/gpdb,tpostgres-projects/tPostgres,edespino/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,kaknikhil/gpdb,rvs/gpdb,techdragon/Postgres-XL,ovr/postgres-xl,lisakowen/gpdb,jmcatamney/gpdb,zeroae/postgres-xl,rvs/gpdb,CraigHarris/gpdb,foyzur/gpdb,lisakowen/gpdb,greenplum-db/gpdb,janebeckman/gpdb,lpetrov-pivotal/gpdb,rubikloud/gpdb,CraigHarris/gpdb,xuegang/gpdb,lintzc/gpdb,yuanzhao/gpdb,ovr/postgres-xl,arcivanov/postgres-xl,ahachete/gpdb,janebeckman/gpdb,oberstet/postgres-xl,Quikling/gpdb,kaknikhil/gpdb,tangp3/gpdb,atris/gpdb,lisakowen/gpdb,janebeckman/gpdb,xinzweb/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,tangp3/gpdb,randomtask1155/gpdb,chrishajas/gpdb,yuanzhao/gpdb,0x0FFF/gpdb,adam8157/gpdb,lisakowen/gpdb,greenplum-db/gpdb,zaksoup/gpdb,arcivanov/postgres-xl,edespino/gpdb,ahachete/gpdb,tangp3/gpdb,chrishajas/gpdb,50wu/gpdb,kmjungersen/PostgresXL,xuegang/gpdb,lintzc/gpdb,janebeckman/gpdb,ashwinstar/gpdb,royc1/gpdb,tpostgres-projects/tPostgres,xuegang/gpdb,arcivanov/postgres-xl,atris/gpdb,randomtask1155/gpdb,xinzweb/gpdb,atris/gpdb,techdragon/Postgres-XL,edespino/gpdb,tangp3/gpdb,royc1/gpdb,kaknikhil/gpdb,adam8157/gpdb,kaknikhil/gpdb,ahachete/gpdb,0x0FFF/gpdb,xuegang/gpdb,kaknikhil/gpdb,pavanvd/postgres-xl,ashwinstar/gpdb,zaksoup/gpdb,greenplum-db/gpdb,xinzweb/gpdb,rvs/gpdb,50wu/gpdb,zaksoup/gpdb,edespino/gpdb,lintzc/gpdb,atris/gpdb,tangp3/gpdb,pavanvd/postgres-xl,lisakowen/gpdb,lintzc/gpdb,janebeckman/gpdb,cjcjameson/gpdb,Postgres-XL/Postgres-XL,CraigHarris/gpdb,yuanzhao/gpdb,xinzweb/gpdb,rvs/gpdb,pavanvd/postgres-xl,Chibin/gpdb,rvs/gpdb,xinzweb/gpdb,edespino/gpdb,adam8157/gpdb,janebeckman/gpdb,foyzur/gpdb,cjcjameson/gpdb,royc1/gpdb,CraigHarris/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,Postgres-XL/Postgres-XL,lintzc/gpdb,jmcatamney/gpdb,arcivanov/postgres-xl,foyzur/gpdb,royc1/gpdb,ovr/postgres-xl,rubikloud/gpdb,postmind-net/postgres-xl,adam8157/gpdb,yuanzhao/gpdb,kaknikhil/gpdb,lintzc/gpdb,0x0FFF/gpdb,adam8157/gpdb,zaksoup/gpdb,ashwinstar/gpdb,50wu/gpdb,arcivanov/postgres-xl,ovr/postgres-xl,0x0FFF/gpdb,cjcjameson/gpdb,50wu/gpdb,0x0FFF/gpdb,oberstet/postgres-xl,yazun/postgres-xl,atris/gpdb,atris/gpdb,CraigHarris/gpdb,lpetrov-pivotal/gpdb,Quikling/gpdb,chrishajas/gpdb,xinzweb/gpdb,cjcjameson/gpdb,foyzur/gpdb,chrishajas/gpdb,jmcatamney/gpdb,postmind-net/postgres-xl,chrishajas/gpdb,ashwinstar/gpdb,janebeckman/gpdb,xuegang/gpdb,kmjungersen/PostgresXL,pavanvd/postgres-xl,adam8157/gpdb,Postgres-XL/Postgres-XL,rubikloud/gpdb,ashwinstar/gpdb,Chibin/gpdb,cjcjameson/gpdb,royc1/gpdb,edespino/gpdb,kmjungersen/PostgresXL,Quikling/gpdb,CraigHarris/gpdb,zeroae/postgres-xl,kaknikhil/gpdb,ahachete/gpdb,kmjungersen/PostgresXL,tpostgres-projects/tPostgres,snaga/postgres-xl,techdragon/Postgres-XL,xuegang/gpdb,oberstet/postgres-xl,ahachete/gpdb,rubikloud/gpdb,yazun/postgres-xl,kaknikhil/gpdb,royc1/gpdb,royc1/gpdb,rubikloud/gpdb,0x0FFF/gpdb,lpetrov-pivotal/gpdb,lintzc/gpdb,randomtask1155/gpdb,janebeckman/gpdb,xuegang/gpdb,yazun/postgres-xl,zeroae/postgres-xl,edespino/gpdb,postmind-net/postgres-xl,snaga/postgres-xl,lisakowen/gpdb,chrishajas/gpdb,zaksoup/gpdb,pavanvd/postgres-xl,Quikling/gpdb,janebeckman/gpdb,xuegang/gpdb,yazun/postgres-xl,edespino/gpdb,adam8157/gpdb,edespino/gpdb,techdragon/Postgres-XL,50wu/gpdb,cjcjameson/gpdb,jmcatamney/gpdb,Chibin/gpdb,rvs/gpdb,yazun/postgres-xl,oberstet/postgres-xl,0x0FFF/gpdb,ashwinstar/gpdb,edespino/gpdb,snaga/postgres-xl