自动生成SQL查询、删除、更新、插入语句
自动生成sql语句select 'update' || t.table_name || ' aset ' ||
(select wm_concat('a.' || a.column_name || '=' || Chr(39) || '{' ||
Abs(Rownum - 1) || '}' || chr(39) || ' --' ||
a.Comments || Chr(13) || Chr(10))
from user_col_comments a
where a.table_name = t.table_name)
from user_col_comments t
where t.table_name = upper('com_employee')
and rownum = 1;
--插入语句
select 'insert into ' || t.table_name || '(' ||
(select wm_concat(a.column_name || '--' || a.Comments || Chr(13) ||
Chr(10))
from user_col_comments a
where a.table_name = t.table_name) || ')values (' ||
(select wm_concat(Chr(39) || '{' || Abs(Rownum - 1) || '}' || Chr(39) ||
'--' || a.Comments || Chr(13) || Chr(10))
from user_col_comments a
where a.table_name = t.table_name) || ')'
from user_col_comments t
where t.table_name = upper('com_employee')
and rownum = 1;
--查询语句
Select (Select 'select ' ||
Wmsys.Wm_Concat('a.' || T.Column_Name || '--' || T.Comments ||
Chr(13) || Chr(10))
From Sys.User_Col_Comments t
Where T.Table_Name = A.Table_Name) || ' from ' || A.Table_Name ||
' a '
From User_Col_Comments a
Where A.Table_Name = Upper('com_employee')
And Rownum = 1;
--查询语句 ,备注字段
select (select 'select ' ||
wm_concat('a.' || t.column_name || ' as "' ||
substr(nvl(trim(t.comments), '无备注'), 0, 15) || '"' ||
Chr(13) || Chr(10))
from SYS.user_col_comments t
where t.table_name = a.table_name) || ' from ' || a.table_name ||
' a '
from user_col_comments a
where a.table_name = upper('com_employee')
and rownum = 1;
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