sql server - Select statement with a where clause and add 'comment' in another column -

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i need add ‘comment’ in additional column select statement clause.

current code

first statement

select * [table] [dep]        = 'm'      ,                              ([join m]   <> [join b] or                                [resign m]  <> [resign date beneficiary])  go

second statement

select * [table] [join b]   < [resign b]  ,                             ([join m]  > [join b]    or                              [resign m] < [resign b]) go

this 2 different select statements, combine both outputs 1 table.

wrong code - (example explain)

first statement

select * [table] [dep]        = 'm'      ,                              ([join m]   <> [join b] or                                [resign m]  <> [resign date beneficiary])  set [comment] = 'main' go

second statement

select * [table] [join b]   < [resign b]  ,                             ([join m]  > [join b]    or                              [resign m] < [resign b]) set [comment] = 'date' go

the requirement add additional column output , add 'comment' in field, combine both outputs in 1 table.

output

first statement output

 [number] |[dep]  |[join m]  |[join b]  |[resign m ]|[resign b]  10003    |m      |20160101  |20160201  |20160301   |20160301  10004    |m      |20160101  |20160201  |20160301   |20160401

second statement output

 [number] |[dep]  |[join m]  |[join b]  |[resign m ]|[resign b]  10000    |m      |20160201  |20160201  |20160131   |20160430  10002    |m      |20160501  |20160430  |20160430   |20160430

required output

 [number] |[dep] |[join m]  |[join b]  |[resign m ]|[resign b]|[comment]  10000    |m     |20160201  |20160201  |20160131   |20160430  |'date'  10002    |m     |20160501  |20160430  |20160430   |20160430  |'date'  10003    |m     |20160101  |20160201  |20160301   |20160301  |'main'  10003    |m     |20160101  |20160201  |20160301   |20160401  |'main'

use union all combine multiple (compatible) result sets, , can add expressions in select clause

select [number],[dep],[join m],[join b],[resign m ],[resign b],'main' comment [table] [dep]        = 'm'      ,                              ([join m]   <> [join b] or                                [resign m]  <> [resign date beneficiary])  union  select [number],[dep],[join m],[join b],[resign m ],[resign b],'date' comment [table] [join b]   < [resign b]  ,                             ([join m]  > [join b]    or                              [resign m] < [resign b])

alternatively, if these rows represent entire contents of table , want classify rows either main or date, use case expression:

select [number],[dep],[join m],[join b],[resign m ],[resign b],   case when [dep]        = 'm'      ,              ([join m]   <> [join b] or                [resign m]  <> [resign date beneficiary])   'main'   else 'date' end comment [table]

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