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Diff for /doc/build/Attic/loncapasqldatabase.html between versions 1.12 and 1.14

version 1.12, 2001/02/16 12:40:29 version 1.14, 2001/02/20 14:03:27
Line 50  of a resource). Line 50  of a resource).
 </UL>  </UL>
 </P>  </P>
 <P>  <P>
   Security occurs as a function of the user 'www',
   and the permissions on the files in the /usr/local/mysql
   directory.  (These files and directories should
   be 700, 600, 500, 400, etc; not allow access to anyone
   but user 'www'.)
   </P>
   <P>
 These commands create the loncapameta database.  These commands create the loncapameta database.
 <PRE>  <PRE>
 mysql> CREATE DATABASE IF NOT EXISTS loncapameta  mysql> CREATE DATABASE IF NOT EXISTS loncapa;
     -> CREATE TABLE IF NOT EXISTS resourceversions  mysql> USE loncapa;
   mysql> CREATE TABLE IF NOT EXISTS metadata (title TEXT, author TEXT, subject TEXT, notes TEXT, abstract TEXT, mime TEXT, language TEXT, creationdate TEXT, lastrevisiondate TEXT, owner TEXT, copyright TEXT, FULLTEXT (title, author, subject, notes, abstract, mime, language, creationdate, lastrevisiondate, owner, copyright)) TYPE=MYISAM;
   mysql> INSERT INTO metadata VALUES ('1','2','3','4','5','6','7','8','9','10','11');
   mysql> SELECT * FROM metadata WHERE title REGEXP "1";
   </PRE>
   </P>
   <P>
   Current time values for things.
   <PRE>
   fenchurch.lite.msu.edu
   Mem:    46812K av,   45632K used,    1180K free,   14756K shrd,    4292K buff
   Swap: 1148608K av,   11260K used, 1137348K free                   13244K cached
   
   Red Hat Linux release 6.2 (Zoot)
   Kernel 2.2.16-3 on an i586
 </PRE>  </PRE>
   <BR>Q: How big are data records in test database? A: on average, 1000 bytes each, medline records from PubMed.
   <BR>Q: How big is the biggest field? A: on average, 838 bytes each
   <BR>Q: How much time to insert 5284 medline records into database?
   A: 600 seconds
   <BR>Q: What about when using "speed-technique" on page 130? A: 689 seconds (weird, eh?)
   <BR>Q: What about REGEXP searching? A: about 1-2 seconds for small fields;
   10 to 20 seconds for REGEXP search on "abstract" field
   <BR>Q: What about FULLTEXT indexing? A: about 6 seconds for abstract field.
   
 </P>  </P>
 <P>  <P>
 An important quote from the manual:  An important quote from the manual:
Removed from v.1.12  
changed lines
  Added in v.1.14

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