============================================================================ ERROR!!!! SELECT a.mirna_id, a.mirna_acc, a.sequence, a.comment, a.mature_name, a.description, a.mature_from, a.mature_to, a.mature_seq, a.mature_evidence as evidence, a.mature_experiment as experiment, c.xsome, c.contig_start, c.contig_end FROM mirna_info a, miRBase.mirna b, miRBase.mirna_chromosome_build c WHERE (a.mirna_id='hsa-miR-92a-3p' OR a.mature_name='hsa-miR-92a-3p') AND a.mirna_acc=b.mirna_acc AND b.auto_mirna=c.auto_mirna GROUP BY mature_name; Got error 28 from storage engine