I'm testing the Athena product of AWS, so far is working very good. But I want to know the list of SerDe properties. I've searched far and wide and couldn't find it. I'm using this one for example ...

I am trying to create a table using the OpenCSVSerde and some integer and date columns. But the columns get converted to String. Is this an expected outcome? As a workaround, I do an explicit type-...

The following test snippet implicit val formats = DefaultFormats + FullTypeHints(Contacts.classList) val serialized = Serialization.write(List(Mail(field = "[email protected]", note = "Rando...

I am trying to query the following JSON example file stored on my HDFS { "tag1": "1.0", "tag2": "blah", "tag3": "blahblah", "tag4": { "tag4_1": [{ "tag4_1_1": [{ "tag4_1_1_1": { "Addr": { ...

Issue when executing a show create table and then executing the resulting create table statement if the table is ORC. Using show create table, you get this: STORED AS INPUTFORMAT ‘org.apache.had...

Im new to Bigdata and currently learning Hive. I understood the concept of InputFormat & OutputFormat in Hive as part of SerDe. I also understood that 'Stored as' is used to store a file in a p...