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| author | Micael Karlberg <[email protected]> | 2011-04-06 15:11:00 +0200 |
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| committer | Micael Karlberg <[email protected]> | 2011-04-06 15:11:00 +0200 |
| commit | 4346b5dae76052e8c06b1cda70d561b10c1c486d (patch) | |
| tree | 8de6b459b429aa24e1bd9738a4fb3b6e07a083a8 /system/doc/efficiency_guide/tablesDatabases.xml | |
| parent | 3bc0fccb951ffb0909d2824b65d58ad31ad16cc5 (diff) | |
| parent | d8dcd70f386de09109ca1f6f817a381cd1387769 (diff) | |
| download | otp-4346b5dae76052e8c06b1cda70d561b10c1c486d.tar.gz otp-4346b5dae76052e8c06b1cda70d561b10c1c486d.tar.bz2 otp-4346b5dae76052e8c06b1cda70d561b10c1c486d.zip | |
Merge branch 'dev' into bmk/inets/inet56_integration
Diffstat (limited to 'system/doc/efficiency_guide/tablesDatabases.xml')
| -rw-r--r-- | system/doc/efficiency_guide/tablesDatabases.xml | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/system/doc/efficiency_guide/tablesDatabases.xml b/system/doc/efficiency_guide/tablesDatabases.xml index 4b53348c4c..2f5103a08b 100644 --- a/system/doc/efficiency_guide/tablesDatabases.xml +++ b/system/doc/efficiency_guide/tablesDatabases.xml @@ -280,9 +280,9 @@ lists:filter(fun(X) -> X#person.name == "Bryan" end, TabList), <p>A simple solution would be to use the <c>name</c> field as the key instead of the <c>idno</c> field, but that would cause problems if the names were not unique. A more general solution - would be create a second table with name as key and idno as - data, i.e. to index (invert) the table with regards to the - <c>name</c> field. The second table would of course have to be + would be to create a second table with <c>name</c> as key and + <c>idno</c> as data, i.e. to index (invert) the table with regards + to the <c>name</c> field. The second table would of course have to be kept consistent with the master table. Mnesia could do this for you, but a home brew index table could be very efficient compared to the overhead involved in using Mnesia.</p> |