Oracle主键及约束
CREATE TABLE "NEWCCS"."USERLEVELBYTEL_BAK"( "CUSTTEL" VARCHAR2(20),
"USERLEVEL" NUMBER(*,0) NOT NULL ENABLE,
"CUSTID" VARCHAR2(20),
CONSTRAINT "UNIQUE_CUSTTEL" UNIQUE ("CUSTTEL")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "NEWCCS"ENABLE
) PCTFREE 10 PCTUSED 40 INITRANS 1 MAXTRANS 255 NOCOMPRESS LOGGING
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "NEWCCS" ;
CREATE UNIQUE INDEX "NEWCCS"."UNIQUE_CUSTTEL" ON "NEWCCS"."USERLEVELBYTEL_BAK" ("CUSTTEL")
PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "NEWCCS" ;
ALTER TABLE "NEWCCS"."USERLEVELBYTEL_BAK" MODIFY ("USERLEVEL" NOT NULL ENABLE);
ALTER TABLE "NEWCCS"."USERLEVELBYTEL_BAK" ADD CONSTRAINT "UNIQUE_CUSTTEL" UNIQUE ("CUSTTEL")
USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 COMPUTE STATISTICS
STORAGE(INITIAL 65536 NEXT 1048576 MINEXTENTS 1 MAXEXTENTS 2147483645
PCTINCREASE 0 FREELISTS 1 FREELIST GROUPS 1 BUFFER_POOL DEFAULT)
TABLESPACE "NEWCCS"ENABLE;
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