How to tune something doing nothing?

To end this year in glory, I tried to replace a row-level trigger (LSC_TR1) into a statement level trigger (LSC_TR2) SQL> create global temporary table lsc_t1(x number primary key) 2 on commit delete rows; Table created. SQL> create table lsc_t2(x number primary key); Table created. SQL> create table lsc_t3(x number primary key); Table created. SQL> […]