PL/SQL

• set heading on|off

SQL> set heading off
SQL> select * from dba_directories;

SYS                            TEST_DIR                       /RealData/oracle/backup/data_pump
SYS                            SUBDIR                         /RealData/oracle/demo/schema/order_entry//2002/Sep
SYS                            SS_OE_XMLDIR                   /RealData/oracle/demo/schema/order_entry/
SYS                            LOG_FILE_DIR                   /RealData/oracle/demo/schema/log/
SYS                            DATA_FILE_DIR                  /RealData/oracle/demo/schema/sales_history/
SYS                            XMLDIR                         /ade/b/2125410156/oracle/rdbms/xml
SYS                            MEDIA_DIR                      /RealData/oracle/demo/schema/product_media/
SYS                            DATA_PUMP_DIR                  /RealData/admin/DATACENTER/dpdump/
SYS                            ORACLE_OCM_CONFIG_DIR          /RealData/oracle/ccr/state

9 rows selected.

SQL> set heading on
SQL> select * from dba_directories;

OWNER                          DIRECTORY_NAME                 DIRECTORY_PATH
------------------------------ ------------------------------ --------------------------------------------------
SYS                            TEST_DIR                       /RealData/oracle/backup/data_pump
SYS                            SUBDIR                         /RealData/oracle/demo/schema/order_entry//2002/Sep
SYS                            SS_OE_XMLDIR                   /RealData/oracle/demo/schema/order_entry/
SYS                            LOG_FILE_DIR                   /RealData/oracle/demo/schema/log/
SYS                            DATA_FILE_DIR                  /RealData/oracle/demo/schema/sales_history/
SYS                            XMLDIR                         /ade/b/2125410156/oracle/rdbms/xml
SYS                            MEDIA_DIR                      /RealData/oracle/demo/schema/product_media/
SYS                            DATA_PUMP_DIR                  /RealData/admin/DATACENTER/dpdump/
SYS                            ORACLE_OCM_CONFIG_DIR          /RealData/oracle/ccr/state

9 rows selected.