Definition of q-value

db fetch() failed!

initialize db() called
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fetch() called
SQL: SELECT term_id, term_term, term_definition, term_hitcount, term_source, created, modified FROM dictionary_terms WHERE term_term LIKE 'q-value%' ORDER BY term_term ASC;
Filename: /home/chem/dbcache/db_1b07e8c29e4bbb1c00e2171c85f22938
getFile_ts() called
cache has expired
getFromDB() called
connect() called
saveToCache() called
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fetch() called
SQL: SELECT term_id, term_term, term_definition, term_hitcount, modified, MATCH (term_term, term_definition) AGAINST ('Q-value') AS score FROM dictionary_terms WHERE MATCH (term_term, term_definition) AGAINST ('Q-value') ORDER BY score DESC LIMIT 7
Filename: /home/chem/dbcache/db_2d45a40f554a496cf17991208a06e27c
getFile_ts() called
/home/chem/dbcache/db_2d45a40f554a496cf17991208a06e27c does not exist
cache has expired
getFromDB() called