查看表对象长度

SQL> select table_name,length(table_name) as table_len from user_tables;

TABLE_NAME TABLE_LEN

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T_HR_PREMARITALHEALTHSERVICE 28

T_HR_REHABILITATIONGUIDE 24

T_HR_RELATEDDOCTOR 18

T_HR_SCHISPATIENTMANAGEMENT 27

T_HR_SCHIZCASEMANAGEMENT 24

T_HR_SEROLOGICALEXAM 20

T_HR_SMOKING 12

T_HR_TELEMEDICINE_HISTORY 25