select sql database records compare to another database

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SQL-Server-2014

I want to have the results of a query that will compare 2 different database tables and show the records of one table that don't have the same value in field 'name'
eg table1/database1 fields id,name,address,phone
table1/database2 (same SQL local Server) fields id, name, date
I want to have in a reader (ado) the records of table1/database1 where field 'name' values doesn't exist in table1/database2 can be done in one Connection command.text? or I have to find the values store them eg dataview and then compare them?

Posted 4-Jun-15 22:08pm

Member 3892343

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Tomas Takac 5-Jun-15 4:29am

This doesn't seem complicated. What have you tried?

Member 3892343 5-Jun-15 5:54am

nothing yet I think I will add the records to Temporary data tables and compare them not too good with SQL queries but I will google it "select name from etc." to find something, if you know a query that do this comment it but I thing it will need 2 ado Connection strings, right?

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TenmanS14 · Accepted Answer · 2015-06-05T01:47:00

Solution 1

as long as both databases are in the same instance its straight forward in an SSMS query...

select * from [dbase1].dbo.table as t1
join [dbase2].dbo.table as t2 on t1.uniqueid = t2.uniqueid

Posted 5-Jun-15 1:47am

TenmanS14

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Member 3892343 7-Jun-15 16:08pm

thank you