drop TABLE system.ORACHECK_read_waits; CREATE TABLE system.ORACHECK_read_waits ( DTE DATE, SERVER_NAME VARCHAR2(20), TABLESPACE_NAME VARCHAR2(30), BLOCK NUMBER ) tablespace dba_perf STORAGE (INITIAL 2m NEXT 500K PCTINCREASE 1) ; drop TABLE system.ORACHECK_buffer_busy_waits; CREATE TABLE system.ORACHECK_buffer_busy_waits ( DTE DATE, SERVER_NAME VARCHAR2(20), TABLESPACE_NAME VARCHAR2(30), BLOCK NUMBER ) tablespace dba_perf STORAGE (INITIAL 2m NEXT 500K PCTINCREASE 1) ; drop TABLE system.ORACHECK_lock_element_waits; CREATE TABLE system.ORACHECK_lock_element_waits ( DTE DATE, SERVER_NAME VARCHAR2(20), TABLESPACE_NAME VARCHAR2(30), BLOCK NUMBER ) tablespace dba_perf STORAGE (INITIAL 2m NEXT 500K PCTINCREASE 1) ; drop TABLE system.ORACHECK_lock_element_cleanup; CREATE TABLE system.ORACHECK_lock_element_cleanup ( DTE DATE, SERVER_NAME VARCHAR2(20), TABLESPACE_NAME VARCHAR2(30), BLOCK NUMBER ) tablespace dba_perf STORAGE (INITIAL 2m NEXT 500K PCTINCREASE 1) ;