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  • Identifying Top 10 Largest Database Segments in Oracle using dba_segments

    calendar Nov 29, 2023 / Apr 28, 2025 · 3 min read · objects space used dba_segments  ·
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    Show the ten largest oracle objects in the database using dba_segments Pinpoint the segments occupying the most storage space within the database to optimize storage usage, address potential bottlenecks, and enhance performance. SQL Code 1col owner format a15 2col segment_name format a30 3col segment_type format a15 …


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ORACLE 95 DATABASE 49 SQL 35 ADMINISTRATION 30 PERFORMANCE 20 DATABASE ADMINISTRATION 18 OPTIMIZATION 16 V$SESSION 12 DBA 11 ORACLE CLUSTERWARE 11 MANAGING 10 TABLESPACE 10 TROUBLESHOOTING 10 DBA_SEGMENTS 9
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$DATAFILE1 ACCOUNT1 ADMINISTRATION30 ALL_OBJECTS1 ALTER SESSION1 ASM2 ASM DISK UTILIZATION1 BACKUP1 CHARACTER-SET1 CLUSTER5 CLUSTER MANAGEMENT1 CONNECTED-USERS3 CONSTRAINTS3 DATA INTEGRITY3 DATA-MANAGEMENT8 DATABASE49 DATABASE ADMINISTRATION18 DATABASE MANAGEMENT2 DATABASE SIZE1 DATABASE START-UP1 DATAFILES5 DBA11 DBA TOOLS1 DBA_CONS_COLUMNS1 DBA_CONSTRAINTS6 DBA_DATA_FILES5 DBA_ERRORS1 DBA_EXTENTS1 DBA_FEATURE_USAGE_STATISTICS1 DBA_FREE_SPACE2 DBA_INDEXES1 DBA_LOCK1 DBA_OBJECTS7 DBA_ROLES1 DBA_ROLLBACK_SEGS1 DBA_SEGMENTS9 DBA_SOURCE1 DBA_TAB_COLUMNS1 DBA_TABLESPACES1 DBA_TEMP_FILES2 DBA_TS_QUOTAS1 DBA_UNDO_EXTENTS1 DBA_USERS1 DBMS_METADATA1 DBMS_STATS5 DBMS_STATS.GATHER_DATABASE_STATS1 DBMS_STATS.GATHER_SCHEMA_STATS1 DDL1 DEVELOPMENT1 DISK GROUP CREATION1 DISK INFORMATION5 DISK SPACE ANALYSIS1 DISKGROUP4 EXPORT1 EXTERNAL REDUNDANCY1 FEATURES1 FREE SPACE1 GATHER_SYSTEM_STATS1 HOT-BACKUP1 I/O1 IMPORT1 INSTALLED3 JAVA1 LAST-ACTIVITY1 LATCH1 LATCH CONTENTION1 MAINTENANCE1 MANAGEMENT8 MANAGING10 MODIFY1 MONITORING4 NLS_DATABASE_PARAMETERS1 OBJ$1 OBJECTS6 OIFCFG1 OPTIMIZATION16 ORACHECK1 ORACLE95 ORACLE - DATABASE ADMINISTRATION - SQL - DBA_CONSTRAINTS1 ORACLE ASM6 ORACLE CLUSTERWARE11 ORACLE CRS9 ORACLE DATABASE8 OSUSER1 PARAMETERS2 PEFORMANCE1 PERFORMANCE20 PERFORMANCE OPTIMIZATION3 PERFORMANCE TUNING9 PERFORMANCE-MONITORING4 PL SQL1 PLSQL1 PRIVILEGES1 PROCEDURE2 QUERY1 QUERY OPTIMIZATION2 QUOTAS1 RAC7 RECOVERY3 RESOURCE OPTIMIZATION3 ROLE PRIVILEGES1 ROLE_SYS_PRIVS1 ROLE_TAB_PRIVS1 SCHEMA SPACE USED1 SCRIPTING1 SCRIPTS1 SECURITY1 SEGMENTS3 SESSION-PID1 SESSIONS1 SESSIONS-SORTED1 SHOW2 SHOW ROLES1 SHOW_TABLE_ROLE_PRIVILEGES1 SHOW-USER-SQL5 SPACE USAGE1 SPACE USED1 SPFILE1 SQL35 SQL COMMANDS1 SQL TUTORIAL1 SQL-QUERIES1 SRVCTL3 START4 START-UP TIME1 STATISTICS1 STATISTICS MANAGEMENT2 STOP4 STORAGE2 STORAGE CAPACITY MONITORING1 STORAGE MANAGEMENT5 TABLESPACE10 TEMP2 TRACING2 TRANSACTIONS1 TROUBLESHOOTING10 TUNING2 UNDO_RETENTION1 USAGE2 USED SPACE1 USER4 USER SPACE1 USER$1 USERS2 V$ASM_OPERATION1 V$BACKUP1 V$CONTROLFILE3 V$DATAFILE7 V$DB_CACHE_ADVICE1 V$FILESTAT1 V$INSTANCE1 V$LOCK2 V$LOCKED_OBJECT1 V$LOG3 V$LOGFILE4 V$PARAMETER2 V$PROCESS2 V$SEGMENT_STATISTICS1 V$SESSION12 V$SESSION_LONGOPS1 V$SESSION_WAIT1 V$SESSTAT1 V$SQLAREA5 V$STATNAME2 V$SYSSTAT2 V$SYSTEM_EVENT2 V$TEMPFILE3 V$TRANSACTION1 V$WAITSTAT1 VDATAFILE2 X$BH1 X$KCBFWAITV1
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