SQL> set markup csv on
SQL> SELECT * FROM PRODUCT_COMPONENT_VERSION;

"PRODUCT","VERSION","VERSION_FULL","STATUS"
"Oracle Database 19c Enterprise Edition ","19.0.0.0.0","19.3.0.0.0","Production"

SQL> set markup csv on quote off
SQL> SELECT * FROM PRODUCT_COMPONENT_VERSION;

PRODUCT,VERSION,VERSION_FULL,STATUS
Oracle Database 19c Enterprise Edition ,19.0.0.0.0,19.3.0.0.0,Production

SQL> set markup csv on delimiter | quote off
SQL> SELECT * FROM PRODUCT_COMPONENT_VERSION;

PRODUCT|VERSION|VERSION_FULL|STATUS
Oracle Database 19c Enterprise Edition |19.0.0.0.0|19.3.0.0.0|Production