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How do I do this without a subquery?

I need to make the same query, but without a subquery! I need to get the count of rows in which genre_id is equal to the :deletedGenreId and the org_type_id value of this line in this table is not unique Answer There is nothing wrong with sub-query. Sub-query actually can help boost performance and increase code readability if you do

Athena UNION – do I need to define struct columns?

I have a bunch of tables in Athena that contain structs with different nested columns. I’d like to query from all of those tables as a single table (ie, a union view) and I’d like to be able to return the nested column from the struct only if it exists, otherwise return a null. Example: I’d like to be able

Hive Query to insert a value conditionally

I have a Table1 containing some blacklisted names. Now suppose I receive a record “def”. The hive query should check if “def” is present in Table1 or not. If not the name_status should be set to blacklisted otherwise null. The name “def” will be inserted in both cases. The problem I am facing is that in hive we cannot use

Check if multiple records exist, with the same id

I am trying to check if multiple records exists with pageId IN(?,?,?) in the chatParticipants table. This is an example of the table structure: This is the SQL query I have tried: Expected behavior: If a conversation already exists, with the given (x) participants, that is, with the same chatId value, then it must return the chatId value. The above

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