sql server 全部库：
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declare @i int,@id int,@dbname varchar(255),@sql varchar(255)
set @i = 6
set @id=(select count(*) from master..sysdatabases)
drop table #t
create table #t (
dbname varchar(255),
tablename varchar(255),
columnname varchar(255)
)
while (@i < @id)
begin
set @i = @i + 1;
set @dbname = (select name from master..sysdatabases where dbid= @i)
set @sql = 'use '+ @dbname+';insert [#t] select table_catalog,table_name,column_name from information_schema.columns where column_name like ''%pass%'' or column_name like ''%pwd%'' or column_name like ''%mail%'''
exec (@sql)
--print @sql
end
select * from #t
drop table #t
go
sql server单个库：
SELECT sysobjects.name as tablename, syscolumns.name as columnname FROM sysobjects JOIN syscolumns ON sysobjects.id = syscolumns.id WHERE sysobjects.xtype = 'U' AND (syscolumns.name LIKE '%pass%' or syscolumns.name LIKE '%pwd%' or syscolumns.name LIKE '%first%');
MySQL：
select table_schema,table_name,column_name from information_schema.columns where table_schema !=0x696E666F726D6174696F6E5F736368656D61 and table_schema !=0x6D7973716C and table_schema !=0x706572666F726D616E63655F736368656D61 and (column_name like '%pass%' or column_name like '%pwd%');
新闻名称：在myqlsqlserver快速找到带有关键字的表
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