*******************在PB下拉取数据库注释****************

// 将ORACLE数据库的注释同步到PB中 代码开始
DELETE FROM PBCATCOL WHERE PBC_TNAM LIKE '%';
DELETE FROM PBCATTBL WHERE PBT_TNAM LIKE '%';

INSERT INTO PBCATTBL
( PBT_TNAM,
PBT_OWNR ,
PBT_CMNT)
SELECT ALL_TAB_COMMENTS.TABLE_NAME,
ALL_TAB_COMMENTS.OWNER,
ALL_TAB_COMMENTS.COMMENTS
FROM ALL_TAB_COMMENTS
WHERE ALL_TAB_COMMENTS.OWNER = 'ORCL'
AND TABLE_NAME LIKE '%';

// 同步字段名

INSERT INTO PBCATCOL
( PBC_TNAM,
PBC_OWNR,
PBC_CNAM,
PBC_LABL,
PBC_CMNT,
PBC_HDR)
SELECT ALL_COL_COMMENTS.TABLE_NAME,
ALL_COL_COMMENTS.OWNER,
ALL_COL_COMMENTS.COLUMN_NAME,
ALL_COL_COMMENTS.COMMENTS ,
ALL_COL_COMMENTS.COMMENTS ,
ALL_COL_COMMENTS.COMMENTS
FROM ALL_COL_COMMENTS
WHERE ALL_COL_COMMENTS.OWNER = 'ORCL'
AND TABLE_NAME LIKE '%';

COMMIT WORK;

=================================20100608=============================

BEGIN
-- PB中表名字段名同步
-- 以TEST为例
-- 同步表名
DELETE FROM pbcattbl
WHERE pbt_ownr = 'YNSYL';

INSERT INTO pbcattbl
( pbt_tnam,
pbt_ownr,
pbt_cmnt )
SELECT table_name,
owner,
comments
FROM all_tab_comments
WHERE owner = 'YNSYL';

-- 同步字段名
DELETE FROM pbcatcol
WHERE pbc_ownr = 'YNSYL';

INSERT INTO pbcatcol
( pbc_tnam,
pbc_ownr,
pbc_cnam,
pbc_labl,
pbc_cmnt,
pbc_hdr )
SELECT table_name,
owner,
column_name,
comments,
comments,
comments
FROM all_col_comments
WHERE owner = 'YNSYL';

COMMIT;
END;

==========IMPORTANT===========

DELETE FROM pbcattbl
WHERE pbt_ownr = 'dba';

INSERT INTO pbcattbl
( pbt_tnam,
pbt_ownr,
pbt_cmnt )
SELECT table_name,
'dba',
remarks
FROM sys.systable
WHERE remarks is not null;

DELETE FROM pbcatcol
WHERE pbc_ownr = 'dba';

INSERT INTO pbcatcol
( pbc_tnam,
pbc_ownr,
pbc_cnam,
pbc_labl,
pbc_cmnt,
pbc_hdr )
SELECT tname,
'dba',
cname,
remarks,
remarks,
remarks
FROM sys.syscolumns
WHERE remarks is not null
and creator = 'DBA';

COMMIT work;

PB里边有两张表，一张是pbcattbl：表注释，一张是pbcatcol，列注释
刚才那个语句的意思就是从数据库注释信息里提取数据，写入PB的表里
这样使用PB查看表的时候就可以很直观的看见含义
不过有个前提，就是在数据库建表的时候是带注释的