Index: src/docbkx/book.xml =================================================================== --- src/docbkx/book.xml (revision 1244676) +++ src/docbkx/book.xml (working copy) @@ -290,16 +290,6 @@ -
- Column Metadata - There is no store of column metadata outside of the internal KeyValue instances for a ColumnFamily. - Thus, while HBase can support not only a wide number of columns per row, but a heterogenous set of columns - between rows, it is your responsibility to keep track of the column names. - - The only way to get a complete set of columns that exist for a ColumnFamily is to process all the rows. - For more information about how HBase stores data internally, see . - -
@@ -537,6 +527,16 @@ +
+ Column Metadata + There is no store of column metadata outside of the internal KeyValue instances for a ColumnFamily. + Thus, while HBase can support not only a wide number of columns per row, but a heterogenous set of columns + between rows as well, it is your responsibility to keep track of the column names. + + The only way to get a complete set of columns that exist for a ColumnFamily is to process all the rows. + For more information about how HBase stores data internally, see . + +
Joins Whether HBase supports joins is a common question on the dist-list, and there is a simple answer: it doesn't, at not least in the way that RDBMS' support them (e.g., with equi-joins or outer-joins in SQL). As has been illustrated