使用SqlServer 2015的过程中,会出现如下情况: 在修改完表字段名或是类型后点击保存时会弹出一个对话框,且无法保存已做的修改.对话框内容大致如下: Saving changes is not permitted. The changes you have made require the following tables to be dropped and re-created. You have either made changes to a table that can't be…
例如,这个表的结构: select r.* from RPDATA2016 r WHERE r.data_bbid='HY052' 如图 对于最后两列,如果是字符类型,会存在倒数第二列,是数字类型,会存在最后一列,现在要把他们放在一行,行转列.通过这种方式: SELECT sum(case r.data_lord when '0001#' then r.data_data else null end ) 序号,r.data_dataid, gs.lsbzdw_dwmc 单位名称,r1.data_…
来源:http://superuser.com/questions/300500/ubuntu-unable-to-edit-bashrc-file-because-of-readonly This is a vim issue, not a file permission issue. If you did not have read permission on the file, you'd see a "Permission denied" error. Do you invok…