如果原來的表中不存在ID，可以直接用命令列新增一個主鍵ID欄位

ALTER TABLE "tablename" ADD ID NUMBER；--新增ID欄位
ALTER TABLE "tablename" ADD PRIMARY KEY ("ID");--給ID新增主鍵

已經含有ID欄位時就可以按下面SQL來執行

  1 ---(1)建立一個和原來表結構相同的表
  2 
  3 CREATE TABLE tjc01_4_TEMP AS SELECT * FROM tjc01_4 WHERE 1=0;
  4 CREATE TABLE TJC01_5_TEMP AS SELECT * FROM TJC01_5 WHERE
 
 1=0;
  5 CREATE TABLE TJC01_7_TEMP AS SELECT * FROM TJC01_7 WHERE 1=0;
  6 CREATE TABLE TJC01_9_TEMP_TEMP AS SELECT * FROM TJC01_9 WHERE 1=0;
  7 CREATE TABLE TZY12_TEMP AS SELECT * FROM TZY12 WHERE 1=0;
  8 CREATE TABLE TJC16_1_TEMP AS SELECT * FROM TJC16_1 WHERE 1=0;
  9 
 10 
 11 --(2)新增序列號
 12 
 13 -- Create sequence 
 

 14 create sequence SEQ_TJC01_4
 15 minvalue 1
 16 maxvalue 999999999999999999999999999
 17 start with 1
 18 increment by 1
 19 cache 20;
 20 
 21 
 22 -- Create sequence 
 23 create sequence SEQ_TJC01_5
 24 minvalue 1
 25 maxvalue 999999999999999999999999999
 26 start with 1
 27 increment by 1
 28 cache 20
 
;
 29 
 30 -- Create sequence 
 31 create sequence SEQ_TJC01_7
 32 minvalue 1
 33 maxvalue 999999999999999999999999999
 34 start with 1
 35 increment by 1
 36 cache 20;
 37 
 38 -- Create sequence 
 39 create sequence SEQ_TJC01_9
 40 minvalue 1
 41 maxvalue 999999999999999999999999999
 42 start with 1
 43 increment by 1
 44 cache 20;
 45 
 46 -- Create sequence 
 47 create sequence SEQ_TJC16_1
 48 minvalue 1
 49 maxvalue 999999999999999999999999999
 50 start with 1
 51 increment by 1
 52 cache 20;
 53 
 54 
 55 -- Create sequence 
 56 create sequence SEQ_TZY12
 57 minvalue 1
 58 maxvalue 999999999999999999999999999
 59 start with 1
 60 increment by 1
 61 cache 20;
 62 
 63 
 64 
 65 
 66 --(3)給新建的表新增自增id的觸發器
 67 --tjc01_4
 68  CREATE OR REPLACE TRIGGER trr_tjc01_4 before insert on tjc01_4_TEMP for each row
 69                         DECLARE next_id NUMBER;
 70             begin
 71               select seq_tjc01_4.nextval into next_id from dual;
 72                         :new.id := next_id;
 73             end;
 74  --TJC01_5        
 75  CREATE OR REPLACE TRIGGER trr_TJC01_5 before insert on TJC01_5_TEMP for each row
 76                         DECLARE next_id NUMBER;
 77             begin
 78               select seq_TJC01_5.nextval into next_id from dual;
 79                         :new.id := next_id;
 80             end;
 81 
 82  --TJC01_7
 83  
 84  CREATE OR REPLACE TRIGGER trr_TJC01_7 before insert on TJC01_7_TEMP for each row
 85                         DECLARE next_id NUMBER;
 86             begin
 87               select seq_TJC01_7.nextval into next_id from dual;
 88                         :new.id := next_id;
 89             end;
 90 
 91 --   TJC01_9         
 92  CREATE OR REPLACE TRIGGER trr_TJC01_9 before insert on TJC01_9_TEMP_TEMP for each row
 93                         DECLARE next_id NUMBER;
 94             begin
 95               select seq_TJC01_9.nextval into next_id from dual;
 96                         :new.id := next_id;
 97             end;           
 98 
 99  -- TZY12              
100  CREATE OR REPLACE TRIGGER trr_TZY12 before insert on TZY12_TEMP for each row
101                         DECLARE next_id NUMBER;
102             begin
103               select seq_TZY12.nextval into next_id from dual;
104                         :new.id := next_id;
105             end;
106 
107  --TJC16_1
108  CREATE OR REPLACE TRIGGER trr_TJC16_1 before insert on TJC16_1_TEMP for each row
109                         DECLARE next_id NUMBER;
110             begin
111               select seq_TJC16_1.nextval into next_id from dual;
112                         :new.id := next_id;
113             end;
114 
115   --（4）將原來表資料插入到新建的表中          
116   insert into tjc01_4_TEMP  SELECT * FROM tjc01_4 WHERE 1=1;  
117   select *from tjc01_4_TEMP;
118   insert into TJC01_5_TEMP  SELECT * FROM TJC01_5 WHERE 1=1;
119   select *from TJC01_5_TEMP;
120   insert into TJC01_7_TEMP  SELECT * FROM TJC01_7 WHERE 1=1;
121   select *from TJC01_7_TEMP;
122   insert into TJC01_9_TEMP_TEMP  SELECT * FROM TJC01_9 WHERE 1=1;
123   select *from TJC01_9_TEMP_TEMP;
124   insert into TZY12_TEMP  SELECT * FROM TZY12 WHERE 1=1;
125   select *from TZY12_TEMP;
126   insert into TJC16_1_TEMP  SELECT * FROM TJC16_1 WHERE 1=1;
127   select *from TJC16_1_TEMP;
128   
129   
130   
131   
132   --(5)將原來的表名更改新的文字（也可以說是備份原來的表）
133            
134   
135 ALTER TABLE tjc01_4 RENAME TO tjc01_4_test;
136 ALTER TABLE TJC01_5 RENAME TO TJC01_5_test;
137 ALTER TABLE TJC01_7 RENAME TO TJC01_7_test;
138 ALTER TABLE TJC01_9 RENAME TO TJC01_9_test;
139 ALTER TABLE TZY12 RENAME TO TZY12_test;
140 ALTER TABLE TJC16_1 RENAME TO TJC16_1_test;
141 
142 --（6）將新表的表名更改為原來的表名
143 
144 ALTER TABLE tjc01_4_TEMP RENAME TO tjc01_4;
145 ALTER TABLE TJC01_5_TEMP RENAME TO TJC01_5;
146 ALTER TABLE TJC01_7_TEMP RENAME TO TJC01_7;
147 ALTER TABLE TJC01_9_TEMP_TEMP RENAME TO TJC01_9;
148 ALTER TABLE TZY12_TEMP RENAME TO TZY12;
149 ALTER TABLE TJC16_1_TEMP RENAME TO TJC16_1;
150   
151 
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