I am designing the Column Family for our use case in Cassandra. I am planning to go with Dynamic Column Structure.
Below is my requirement per our use case- user-id column1123 (Column1-Value Column1-SchemaName LMD) For each user-id, we will be storing column1 and its value and that value will store these three things always- (Column1-Value Column1-SchemaName LMD) In my above example, I have show only one columns but it might have more columns and those columns will also follow the same concept. Now I am not sure, how to store these three things always at a column value level? Should I use composite columns at a column level? if yes, then I am not sure how to make a column family like this in Cassandra. Column1-value will be in binary, Column1-SchemaName will be String, LMD will be DateType. This is what I have so far- create column family USER_DATA with key_validation_class = 'UTF8Type' and comparator = 'UTF8Type' and default_validation_class = 'UTF8Type' and gc_grace = 86400 and column_metadata = [ {column_name : 'lmd', validation_class : DateType}]; Can anyone help me in designing the column family for this? Thanks.