梦想有多远

默认安装TOAD后，是无法查看执行计划的，需要一下步骤就可以启用

CREATE TABLE TOAD_PLAN_TABLE (
STATEMENT_ID VARCHAR2 (32),
TIMESTAMP DATE,
REMARKS VARCHAR2 (80),
OPERATION VARCHAR2 (30),
OPTIONS VARCHAR2 (30),
OBJECT_NODE VARCHAR2 (128),
OBJECT_OWNER VARCHAR2 (30),
OBJECT_NAME VARCHAR2 (30),
OBJECT_INSTANCE NUMBER,
OBJECT_TYPE VARCHAR2 (30),
SEARCH_COLUMNS NUMBER,
ID NUMBER,
COST NUMBER,
PARENT_ID NUMBER,
POSITION NUMBER,
CARDINALITY NUMBER,
OPTIMIZER VARCHAR2 (255),
BYTES NUMBER,
OTHER_TAG VARCHAR2 (255),
OTHER LONG,
PARTITION NUMBER,
PARTITION_START VARCHAR2 (255),
PARTITION_STOP VARCHAR2 (255),
DISTRIBUTION VARCHAR2 (30) ) tablespace users；（表空间不要创建在系统表空间上）

create public synonym TOAD_PLAN_TABLE for TOAD_PLAN_TABLE;