HBASE-4407 book.xml, schema design

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1170801 13f79535-47bb-0310-9956-ffa450edef68
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Doug Meil 2011-09-14 19:32:56 +00:00
parent 6375de9695
commit 89c642d754
1 changed files with 5 additions and 0 deletions

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@ -429,6 +429,11 @@ admin.enableTable(table);
"forever" (or a very long time) and at the same time quickly obtain access to any other version by using the same Scan technique.
</para>
</section>
<section xml:id="rowkey.scope">
<title>Rowkeys and ColumnFamilies</title>
<para>Rowkeys are scoped to ColumnFamilies. Thus, the same rowkey could exist in each ColumnFamily that exists in a table without collision.
</para>
</section>
<section xml:id="changing.rowkeys"><title>Immutability of Rowkeys</title>
<para>Rowkeys cannot be changed. The only way they can be "changed" in a table is if the row is deleted and then re-inserted.
This is a fairly common question on the HBase dist-list so it pays to get the rowkeys right the first time (and/or before you've