Minor enhancements to MVCC chapter
Minor enhancements to MVCC chapter

Author: Erik Rijkers

greenplum-db/gpdb,snaga/postgres-xl,xinzweb/gpdb,kmjungersen/PostgresXL,arcivanov/postgres-xl,zeroae/postgres-xl,tpostgres-projects/tPostgres,oberstet/postgres-xl,arcivanov/postgres-xl,pavanvd/postgres-xl,techdragon/Postgres-XL,zeroae/postgres-xl,zeroae/postgres-xl,greenplum-db/gpdb,yazun/postgres-xl,jmcatamney/gpdb,yazun/postgres-xl,xinzweb/gpdb,tpostgres-projects/tPostgres,oberstet/postgres-xl,50wu/gpdb,ovr/postgres-xl,oberstet/postgres-xl,ovr/postgres-xl,lisakowen/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,oberstet/postgres-xl,xinzweb/gpdb,greenplum-db/gpdb,lisakowen/gpdb,xinzweb/gpdb,50wu/gpdb,ashwinstar/gpdb,adam8157/gpdb,adam8157/gpdb,techdragon/Postgres-XL,snaga/postgres-xl,Postgres-XL/Postgres-XL,techdragon/Postgres-XL,postmind-net/postgres-xl,ashwinstar/gpdb,snaga/postgres-xl,greenplum-db/gpdb,xinzweb/gpdb,jmcatamney/gpdb,ashwinstar/gpdb,adam8157/gpdb,pavanvd/postgres-xl,ashwinstar/gpdb,arcivanov/postgres-xl,ovr/postgres-xl,tpostgres-projects/tPostgres,Postgres-XL/Postgres-XL,tpostgres-projects/tPostgres,kmjungersen/PostgresXL,greenplum-db/gpdb,adam8157/gpdb,greenplum-db/gpdb,jmcatamney/gpdb,lisakowen/gpdb,Postgres-XL/Postgres-XL,kmjungersen/PostgresXL,arcivanov/postgres-xl,postmind-net/postgres-xl,adam8157/gpdb,adam8157/gpdb,50wu/gpdb,jmcatamney/gpdb,jmcatamney/gpdb,adam8157/gpdb,oberstet/postgres-xl,postmind-net/postgres-xl,lisakowen/gpdb,xinzweb/gpdb,arcivanov/postgres-xl,50wu/gpdb,Postgres-XL/Postgres-XL,snaga/postgres-xl,50wu/gpdb,greenplum-db/gpdb,kmjungersen/PostgresXL,yazun/postgres-xl,xinzweb/gpdb,lisakowen/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,yazun/postgres-xl,lisakowen/gpdb,yazun/postgres-xl,pavanvd/postgres-xl,ashwinstar/gpdb,postmind-net/postgres-xl,techdragon/Postgres-XL,snaga/postgres-xl,lisakowen/gpdb,50wu/gpdb,ashwinstar/gpdb,techdragon/Postgres-XL,jmcatamney/gpdb,jmcatamney/gpdb,lisakowen/gpdb,xinzweb/gpdb,ovr/postgres-xl,pavanvd/postgres-xl,50wu/gpdb,50wu/gpdb,ashwinstar/gpdb,ovr/postgres-xl,adam8157/gpdb,arcivanov/postgres-xl,tpostgres-projects/tPostgres,kmjungersen/PostgresXL,postmind-net/postgres-xl,pavanvd/postgres-xl,ashwinstar/gpdb,zeroae/postgres-xl