17:51:54 SQL> alter table tb add primary key(col1,col2);表已更改。已用时间: 00: 00: 00.97
17:52:06 SQL> desc tb;
名称 空? 类型
----------------------------------------- -------- --------------------
COL1 NOT NULL VARCHAR2(10)
COL2 NOT NULL VARCHAR2(30)
COLNEW VARCHAR2(20)17:52:09 SQL> select table_name from user_cons_columns
17:54:15 2 group by table_name having count(*)>1;TABLE_NAME
------------------------------
TB已用时间: 00: 00: 00.00
17:54:16 SQL>
17:52:06 SQL> desc tb;
名称 空? 类型
----------------------------------------- -------- --------------------
COL1 NOT NULL VARCHAR2(10)
COL2 NOT NULL VARCHAR2(30)
COLNEW VARCHAR2(20)17:52:09 SQL> select table_name from user_cons_columns
17:54:15 2 group by table_name having count(*)>1;TABLE_NAME
------------------------------
TB已用时间: 00: 00: 00.00
17:54:16 SQL>
17:58:19 2 WHERE a.constraint_name=b.constraint_name and b.constraint_type='P'
17:58:19 3 group by a.table_name having count(*)>1;TABLE_NAME
------------------------------
TB已用时间: 00: 00: 00.16
17:58:21 SQL>
"CREATE DIMENSION "CUSTOMERS_DIM" LEVEL "CUSTOMER" IS ("CUSTOMERS"."CUST_ID""
") LEVEL "CITY" IS ("CUSTOMERS"."CUST_CITY") LEVEL "STATE" IS ("CUSTOMERS".""
"CUST_STATE_PROVINCE") LEVEL "COUNTRY" IS ("COUNTRIES"."COUNTRY_ID") LEVEL ""
"SUBREGION" IS ("COUNTRIES"."COUNTRY_SUBREGION") LEVEL "REGION" IS ("COUNTRI"
"ES"."COUNTRY_REGION") LEVEL "GEOG_TOTAL" IS ("COUNTRIES"."COUNTRY_TOTAL") L"
"EVEL "CUST_TOTAL" IS ("CUSTOMERS"."CUST_TOTAL") HIERARCHY "CUST_ROLLUP" ("C"
"USTOMER" CHILD OF "CITY" CHILD OF "STATE" CHILD OF "CUST_TOTAL") HIERARCHY "
""GEOG_ROLLUP" ("CUSTOMER" CHILD OF "CITY" CHILD OF "STATE" CHILD OF "COUNTR"
"Y" CHILD OF "SUBREGION" CHILD OF "REGION" CHILD OF "GEOG_TOTAL" JOIN KEY (""
"CUSTOMERS"."COUNTRY_ID") REFERENCES "COUNTRY") ATTRIBUTE "CUSTOMER" DETERMI"
"NES "CUSTOMERS"."CUST_FIRST_NAME" ATTRIBUTE "CUSTOMER" DETERMINES "CUSTOMER"
"S"."CUST_EMAIL" ATTRIBUTE "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_MAIN_PHON"
"E_NUMBER" ATTRIBUTE "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_POSTAL_CODE" AT"
"TRIBUTE "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_STREET_ADDRESS" ATTRIBUTE ""
"CUSTOMER" DETERMINES "CUSTOMERS"."CUST_CREDIT_LIMIT" ATTRIBUTE "CUSTOMER" D"
"ETERMINES "CUSTOMERS"."CUST_INCOME_LEVEL" ATTRIBUTE "CUSTOMER" DETERMINES ""
"CUSTOMERS"."CUST_YEAR_OF_BIRTH" ATTRIBUTE "CUSTOMER" DETERMINES "CUSTOMERS""
"."CUST_MARITAL_STATUS" ATTRIBUTE "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_GE"
"NDER" ATTRIBUTE "CUSTOMER" DETERMINES "CUSTOMERS"."CUST_LAST_NAME" ATTRIBUT"
"E "CITY" DETERMINES "CUSTOMERS"."CUST_CITY" ATTRIBUTE "STATE" DETERMINES "C"
"USTOMERS"."CUST_STATE_PROVINCE" ATTRIBUTE "COUNTRY" DETERMINES "COUNTRIES"."
""COUNTRY_NAME" ATTRIBUTE "SUBREGION" DETERMINES "COUNTRIES"."COUNTRY_SUBREG"
"ION" ATTRIBUTE "REGION" DETERMINES "COUNTRIES"."COUNTRY_REGION" ATTRIBUTE ""
"GEOG_TOTAL" DETERMINES "COUNTRIES"."COUNTRY_TOTAL" ATTRIBUTE "CUST_TOTAL" D"
"ETERMINES "CUSTOMERS"."CUST_TOTAL""
IMP-00003: 遇到 ORACLE 错误 942
ORA-00942: 表或视图不存在
IMP-00017: 由于 ORACLE 的 942 错误，以下的语句失败
"CREATE DIMENSION "PRODUCTS_DIM" LEVEL "PRODUCT" IS ("PRODUCTS"."PROD_ID") L"
"EVEL "SUBCATEGORY" IS ("PRODUCTS"."PROD_SUBCATEGORY") LEVEL "CATEGORY" IS ("
""PRODUCTS"."PROD_CATEGORY") LEVEL "PROD_TOTAL" IS ("PRODUCTS"."PROD_TOTAL")"
" HIERARCHY "PROD_ROLLUP" ("PRODUCT" CHILD OF "SUBCATEGORY" CHILD OF "CATEGO"
"RY" CHILD OF "PROD_TOTAL") ATTRIBUTE "PRODUCT" DETERMINES "PRODUCTS"."PROD_"
"NAME" ATTRIBUTE "PRODUCT" DETERMINES "PRODUCTS"."PROD_MIN_PRICE" ATTRIBUTE "
""PRODUCT" DETERMINES "PRODUCTS"."PROD_LIST_PRICE" ATTRIBUTE "PRODUCT" DETER"
"MINES "PRODUCTS"."PROD_STATUS" ATTRIBUTE "PRODUCT" DETERMINES "PRODUCTS"."P"
"ROD_PACK_SIZE" ATTRIBUTE "PRODUCT" DETERMINES "PRODUCTS"."PROD_UNIT_OF_MEAS"
"URE" ATTRIBUTE "PRODUCT" DETERMINES "PRODUCTS"."PROD_WEIGHT_CLASS" ATTRIBUT"
"E "PRODUCT" DETERMINES "PRODUCTS"."PROD_DESC" ATTRIBUTE "SUBCATEGORY" DETER"
"MINES "PRODUCTS"."PROD_SUBCATEGORY" ATTRIBUTE "SUBCATEGORY" DETERMINES "PRO"
"DUCTS"."PROD_SUBCAT_DESC" ATTRIBUTE "CATEGORY" DETERMINES "PRODUCTS"."PROD_"
"CATEGORY" ATTRIBUTE "CATEGORY" DETERMINES "PRODUCTS"."PROD_CAT_DESC" ATTRIB"
"UTE "PROD_TOTAL" DETERMINES "PRODUCTS"."PROD_TOTAL""
IMP-00003: 遇到 ORACLE 错误 942
ORA-00942: 表或视图不存在
IMP-00017: 由于 ORACLE 的 942 错误，以下的语句失败
"CREATE DIMENSION "PROMOTIONS_DIM" LEVEL "PROMO" IS ("PROMOTIONS"."PROMO_ID""
") LEVEL "SUBCATEGORY" IS ("PROMOTIONS"."PROMO_SUBCATEGORY") LEVEL "CATEGORY"
"" IS ("PROMOTIONS"."PROMO_CATEGORY") LEVEL "PROMO_TOTAL" IS ("PROMOTIONS".""
"PROMO_TOTAL") HIERARCHY "PROMO_ROLLUP" ("PROMO" CHILD OF "SUBCATEGORY" CHIL"
"D OF "CATEGORY" CHILD OF "PROMO_TOTAL") ATTRIBUTE "PROMO" DETERMINES "PROMO"
"TIONS"."PROMO_NAME" ATTRIBUTE "PROMO" DETERMINES "PROMOTIONS"."PROMO_END_DA"
"TE" ATTRIBUTE "PROMO" DETERMINES "PROMOTIONS"."PROMO_BEGIN_DATE" ATTRIBUTE "
""PROMO" DETERMINES "PROMOTIONS"."PROMO_COST" ATTRIBUTE "SUBCATEGORY" DETERM"
"INES "PROMOTIONS"."PROMO_SUBCATEGORY" ATTRIBUTE "CATEGORY" DETERMINES "PROM"
"OTIONS"."PROMO_CATEGORY" ATTRIBUTE "PROMO_TOTAL" DETERMINES "PROMOTIONS"."P"
"ROMO_TOTAL""
IMP-00003: 遇到 ORACLE 错误 942
ORA-00942: 表或视图不存在
IMP-00017: 由于 ORACLE 的 942 错误，以下的语句失败
"CREATE DIMENSION "CHANNELS_DIM" LEVEL "CHANNEL" IS ("CHANNELS"."CHANNEL_ID""
") LEVEL "CHANNEL_CLASS" IS ("CHANNELS"."CHANNEL_CLASS") LEVEL "CHANNEL_TOTA"
"L" IS ("CHANNELS"."CHANNEL_TOTAL") HIERARCHY "CHANNEL_ROLLUP" ("CHANNEL" CH"
"ILD OF "CHANNEL_CLASS" CHILD OF "CHANNEL_TOTAL") ATTRIBUTE "CHANNEL" DETERM"
"INES "CHANNELS"."CHANNEL_DESC" ATTRIBUTE "CHANNEL_CLASS" DETERMINES "CHANNE"
"LS"."CHANNEL_CLASS" ATTRIBUTE "CHANNEL_TOTAL" DETERMINES "CHANNELS"."CHANNE"
"L_TOTAL""
IMP-00003: 遇到 ORACLE 错误 942
ORA-00942: 表或视图不存在
IMP-00017: 由于 ORACLE 的 942 错误，以下的语句失败
"CREATE DIMENSION "TIMES_DIM" LEVEL "DAY" IS ("TIMES"."TIME_ID") LEVEL "MONT"
"H" IS ("TIMES"."CALENDAR_MONTH_DESC") LEVEL "QUARTER" IS ("TIMES"."CALENDAR"
"_QUARTER_DESC") LEVEL "YEAR" IS ("TIMES"."CALENDAR_YEAR") LEVEL "FIS_WEEK" "
"IS ("TIMES"."WEEK_ENDING_DAY") LEVEL "FIS_MONTH" IS ("TIMES"."FISCAL_MONTH_"
"DESC") LEVEL "FIS_QUARTER" IS ("TIMES"."FISCAL_QUARTER_DESC") LEVEL "FIS_YE"
"AR" IS ("TIMES"."FISCAL_YEAR") HIERARCHY "CAL_ROLLUP" ("DAY" CHILD OF "MONT"
"H" CHILD OF "QUARTER" CHILD OF "YEAR") HIERARCHY "FIS_ROLLUP" ("DAY" CHILD "
"OF "FIS_WEEK" CHILD OF "FIS_MONTH" CHILD OF "FIS_QUARTER" CHILD OF "FIS_YEA"
"R") ATTRIBUTE "DAY" DETERMINES "TIMES"."DAY_NUMBER_IN_WEEK" ATTRIBUTE "DAY""
" DETERMINES "TIMES"."CALENDAR_WEEK_NUMBER" ATTRIBUTE "DAY" DETERMINES "TIME"
"S"."DAY_NUMBER_IN_MONTH" ATTRIBUTE "DAY" DETERMINES "TIMES"."DAY_NAME" ATTR"
"IBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_DESC" ATTRIBUTE "MONTH" DE"
"TERMINES "TIMES"."END_OF_CAL_MONTH" ATTRIBUTE "MONTH" DETERMINES "TIMES"."D"
"AYS_IN_CAL_MONTH" ATTRIBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_NAME"
"" ATTRIBUTE "MONTH" DETERMINES "TIMES"."CALENDAR_MONTH_NUMBER" ATTRIBUTE "Q"
"UARTER" DETERMINES "TIMES"."CALENDAR_QUARTER_DESC" ATTRIBUTE "QUARTER" DETE"
"RMINES "TIMES"."END_OF_CAL_QUARTER" ATTRIBUTE "QUARTER" DETERMINES "TIMES"."
""DAYS_IN_CAL_QUARTER" ATTRIBUTE "QUARTER" DETERMINES "TIMES"."CALENDAR_QUAR"
"TER_NUMBER" ATTRIBUTE "YEAR" DETERMINES "TIMES"."CALENDAR_YEAR" ATTRIBUTE ""
"YEAR" DETERMINES "TIMES"."END_OF_CAL_YEAR" ATTRIBUTE "YEAR" DETERMINES "TIM"
"ES"."DAYS_IN_CAL_YEAR" ATTRIBUTE "FIS_WEEK" DETERMINES "TIMES"."WEEK_ENDING"
"_DAY" ATTRIBUTE "FIS_WEEK" DETERMINES "TIMES"."FISCAL_WEEK_NUMBER" ATTRIBUT"
"E "FIS_MONTH" DETERMINES "TIMES"."FISCAL_MONTH_DESC" ATTRIBUTE "FIS_MONTH" "
"DETERMINES "TIMES"."END_OF_FIS_MONTH" ATTRIBUTE "FIS_MONTH" DETERMINES "TIM"
"ES"."DAYS_IN_FIS_MONTH" ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."FISCAL_MO"
"NTH_NAME" ATTRIBUTE "FIS_MONTH" DETERMINES "TIMES"."FISCAL_MONTH_NUMBER" AT"
"TRIBUTE "FIS_QUARTER" DETERMINES "TIMES"."FISCAL_QUARTER_DESC" ATTRIBUTE "F"
"IS_QUARTER" DETERMINES "TIMES"."END_OF_FIS_QUARTER" ATTRIBUTE "FIS_QUARTER""
" DETERMINES "TIMES"."DAYS_IN_FIS_QUARTER" ATTRIBUTE "FIS_QUARTER" DETERMINE"
"S "TIMES"."FISCAL_QUARTER_NUMBER" ATTRIBUTE "FIS_YEAR" DETERMINES "TIMES".""
"FISCAL_YEAR" ATTRIBUTE "FIS_YEAR" DETERMINES "TIMES"."END_OF_FIS_YEAR" ATTR"
"IBUTE "FIS_YEAR" DETERMINES "TIMES"."DAYS_IN_FIS_YEAR""
IMP-00003: 遇到 ORACLE 错误 942
ORA-00942: 表或视图不存在
准备启用约束条件...
成功终止导入，但出现警告。
里面的数据怎么可能会有重复的呢？得到重复纪录：
select col_pk1,col_pk2 from tbname group by col_pk1,col_pk2 having count(*)>1;