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Cassandra Column Family

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by , 02-23-2012 at 06:58 PM (760 Views)
ColumnFamily is considered as a structure which is responsible for keeping infinite rows for people who have RDBMS background. This structure has much resemblance with a Table. You may have an idea that ColumnFamily consists of a name that is compared to Table name. A map with a value(that is a map consisting of Columns) and a key (that is comparable to the identifier of rows). Map and SuperColumn have similar rules and key consists of similar value of name of the Column.

Java Code: This is the code to explain Cassandra Column Family
public class ColumnFamily {
Byte[] name;

  // The key is a user generated key
  Map<Byte[] /* key */,

    // The key is equal to the name of the Column.
    Map<Byte[] /* key */, Column>> value = null;

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Updated 02-23-2012 at 07:01 PM by Cassandra