ORACLE比较两个数据库的表结构

create table ESPACE_TABLE
(
TABLE_NAME VARCHAR2(100) not null
)

create table ESPACE_COLUMN
(
TABLE_NAME VARCHAR2(100) not null,
COLUMN_NAME VARCHAR2(100) not null
)

create table UC_TABLE_DIFFERENT
(
S_TABLE_NAME VARCHAR2(30),
B_TABLE_NAME VARCHAR2(30),
S_COLUMN_NAME VARCHAR2(30),
B_COLUMN_NAME VARCHAR2(30),
S_DATA_TYPE VARCHAR2(106),
B_DATA_TYPE VARCHAR2(106),
S_DATA_LENGTH NUMBER,
B_DATA_LENGTH NUMBER,
S_DATA_PRECISION NUMBER,
B_DATA_PRECISION NUMBER,
S_DATA_SCALE NUMBER,
B_DATA_SCALE NUMBER,
S_NULLABLE VARCHAR2(1),
B_NULLABLE VARCHAR2(1),
S_DATA_DEFAULT VARCHAR2(4000),
B_DATA_DEFAULT VARCHAR2(4000)
)

create table SDU_TABLES
(
TABLE_NAME VARCHAR2(30) not null,
COLUMN_NAME VARCHAR2(30) not null,
DATA_TYPE VARCHAR2(106),
DATA_LENGTH NUMBER not null,
DATA_PRECISION NUMBER,
DATA_SCALE NUMBER,
NULLABLE VARCHAR2(1),
DATA_DEFAULT VARCHAR2(4000)
)

create table bmp_tables
(
TABLE_NAME VARCHAR2(30) not null,
COLUMN_NAME VARCHAR2(30) not null,
DATA_TYPE VARCHAR2(106),
DATA_LENGTH NUMBER not null,
DATA_PRECISION NUMBER,
DATA_SCALE NUMBER,
NULLABLE VARCHAR2(1),
DATA_DEFAULT VARCHAR2(4000)
)

create table UC_TABLE_DIFFERENT
(
S_TABLE_NAME VARCHAR2(30),
B_TABLE_NAME VARCHAR2(30),
S_COLUMN_NAME VARCHAR2(30),
B_COLUMN_NAME VARCHAR2(30),
S_DATA_TYPE VARCHAR2(106),
B_DATA_TYPE VARCHAR2(106),
S_DATA_LENGTH NUMBER,
B_DATA_LENGTH NUMBER,
S_DATA_PRECISION NUMBER,
B_DATA_PRECISION NUMBER,
S_DATA_SCALE NUMBER,
B_DATA_SCALE NUMBER,
S_NULLABLE VARCHAR2(1),
B_NULLABLE VARCHAR2(1),
S_DATA_DEFAULT VARCHAR2(4000),
B_DATA_DEFAULT VARCHAR2(4000)
)

CREATE OR REPLACE PROCEDURE COMPARE_UC_TABLES
AS
BEGIN

execute immediate 'delete from sdu_tables';
execute immediate 'delete from bmp_tables';
execute immediate 'delete from uc_table_different';

execute immediate 'insert into sdu_tables select
A.Table_Name,
A.column_name ,A.data_type ,A.data_length ,A.data_precision ,
A.Data_Scale ,A.nullable ,''
from
dba_tab_columns A
where
A.owner=''表1'' and SUBSTR(TABLE_NAME,1,4) != ''BIN$''';
execute immediate 'insert into bmp_tables select
A.Table_Name,
A.column_name ,A.data_type ,A.data_length ,A.data_precision ,
A.Data_Scale ,A.nullable ,''
from
dba_tab_columns A
where
A.owner=''表2'' and SUBSTR(TABLE_NAME,1,4) != ''BIN$''';

DELETE FROM sdu_tables WHERE TABLE_NAME IN (SELECT TABLE_NAME FROM ESPACE_TABLE);
DELETE FROM bmp_tables WHERE TABLE_NAME IN (SELECT TABLE_NAME FROM ESPACE_TABLE);
DELETE FROM sdu_tables S WHERE EXISTS (SELECT 1 FROM ESPACE_COLUMN E WHERE E.TABLE_NAME = S.TABLE_NAME AND E.COLUMN_NAME = S.COLUMN_NAME);
DELETE FROM bmp_tables B WHERE EXISTS (SELECT 1 FROM ESPACE_COLUMN E WHERE E.TABLE_NAME = B.TABLE_NAME AND E.COLUMN_NAME = B.COLUMN_NAME);
commit;

execute immediate 'insert into uc_table_different select *
from (select s.Table_Name s_Table_Name,
b.Table_Name b_Table_Name,
s.column_name s_column_name,
b.column_name b_column_name,
s.data_type s_data_type,
b.data_type b_data_type,
s.data_length s_data_length,
b.data_length b_data_length,
s.data_precision s_data_precision,
b.data_precision b_data_precision,
s.Data_Scale s_Data_Scale,
b.Data_Scale b_Data_Scale,
s.nullable s_nullable,
b.nullable b_nullable,
s.Data_default s_Data_default,
b.Data_default b_Data_default
from sdu_tables s
full join bmp_tables b on s.Table_Name = b.Table_Name
and s.column_name = b.column_name)
where s_column_name is null
or b_column_name is null
or s_data_type != b_data_type
or s_data_length != b_data_length
or s_data_precision != b_data_precision
or s_Data_Scale != b_Data_Scale
or s_nullable != b_nullable
or s_Data_default != b_Data_default';

commit;

END COMPARE_UC_TABLES;

select * from uc_table_different where ((s_table_name not like 'TQH_%' AND B_table_name NOT LIKE 'TQH_%')
AND (s_table_name not like 'TQBP_%' AND B_table_name NOT LIKE 'TQBP_%')
AND (s_table_name not like 'TQSIMP_%' AND B_table_name NOT LIKE 'TQSIMP_%')
AND (s_table_name not like 'TQSP_%' AND B_table_name NOT LIKE 'TQSP_%')
AND (s_table_name not like 'TQTP_%' AND B_table_name NOT LIKE 'TQTP_%')
AND (s_table_name not like 'TQP_%' AND B_table_name NOT LIKE 'TQP_%')
AND (s_table_name not like 'TQPH_%' AND B_table_name NOT LIKE 'TQPH_%')
AND (s_table_name not like 'TQPBP_%' AND B_table_name NOT LIKE 'TQPBP_%') ) OR
( s_table_name IS NULL AND B_table_name NOT LIKE 'TQH_%'
AND B_table_name NOT LIKE 'TQBP_%' AND B_table_name NOT LIKE 'TQSIMP_%'
AND B_table_name NOT LIKE 'TQSP_%'
AND B_table_name NOT LIKE 'TQTP_%'
AND B_table_name NOT LIKE 'TQP_%'
AND B_table_name NOT LIKE 'TQPH_%'
AND B_table_name NOT LIKE 'TQPBP_%'
)