sql - How to compare row with a column? -



sql - How to compare row with a column? -

create table table1( column1 varchar (100), column2 varchar (100) ) go create table table2( column_for_compare varchar (100) ) go insert table2 values ('column1') insert table2 values ('column2') go

i want check if table1 columns name exists in table2 ,something this: --this should comparing row values in table2 column names in table1

if exists(select column_for_compare table2) , if exists(select column_name syscolumn key bring together systable table_name ='table1') begin print 'match found' end

i hope can see im trying...if not...if seek explain better

you can query user_tab_columns table collumn names

select column_name user_tab_columns table_name = 'table1'

and bring together result table2

select * table2, (select column_name user_tab_columns table_name = 'table1') cnames table2.column_for_compare=cnames.column_name

this table collumn names in table_1 exist in rows in table_2

sql tsql sybase-iq

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