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Logical Backup Using dbms_datapump

Sample scripts to make a logical backup using dbms_datapump -- BACKUP BY SCHEMA declare h1 NUMBER; begin h1 := dbms_datapump.open (operation => 'EXPORT', job_mode => 'SCHEMA', job_name => 'TESTE2', version => 'COMPATIBLE'); dbms_datapump.set_parallel(handle => h1, degree => 1); dbms_datapump.add_file(handle => h1, filename => 'BKP_SCHEMAS.LOG', directory => 'BKP_DATA_PUMP', filetype => 3); dbms_datapump.set_parameter(handle => h1, name => 'KEEP_MASTER', value => 0); dbms_datapump.metadata_filter(handle => h1, name => 'SCHEMA_EXPR', value => 'IN(''DENILSON'')'); dbms_datapump.add_file(handle => h1, filename => 'BKP_SCHEMAS.DMP', directory => 'BKP_DATA_PUMP', filetype => 1); dbms_datapump.set_parameter(handle => h1, name => 'INCLUDE_METADATA', value => 1); dbms_datapump.set_parameter(handle => h1, name