One of our applications uses data that is stored into both Cassandra and ElasticSearch. We use Cassandra to access those records whenever we can, and have data duplicated into query tables designed to adhere to specific application-side requests. For a more liberal search than our query tables can allow, ElasticSearch performs that functionality nicely. We … Read more
There is a lot of confusion around this, I will try to make it as simple as possible. The primary key is a general concept to indicate one or more columns used to retrieve data from a Table. The primary key may be SIMPLE and even declared inline: That means that it is made by a single … Read more
Wrong syntax. Here you are: insert into user_by_category (game_category,customer_id) VALUES (‘Goku’,’12’); or: insert into user_by_category (“game_category”,”customer_id”) VALUES (‘Kakarot’,’12’); The second one is normally used for case-sensitive column names.
I’m trying to run Cassandra on my computer, but I keep getting the following error message: Anyone know why and how to fix this? I am running: It seems I need to install a 64bit version of JRE. I have tried searching java.com and oracle.com for this, but I can’t find anything obvious which will … Read more