FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Metastore: The component that store the system catalog and meta data about tables, columns, partitions etc. Hive stores the schema of the Hive tables in a Hive Metastore.

Detailed explanation-2: -Hive Metastore is a component in Hive that stores the catalog of the system that contains the metadata about Hive create columns, Hive table creation, and partitions. Metadata is mostly stored in the traditional form of RDBMS. The Apache Hives make use of the Derby databases to store the metadata.

Detailed explanation-3: -Hive Metastore A Metastore is a component that stores the system catalog and metadata about tables, columns, partitions and so on. For example – A create table definition statement is stored here. Metastore uses a relational database to store its metadata. Apache Hive uses Derby database by default.

Detailed explanation-4: -xml and/or hive-site. xml which has the hive. metastore.

Detailed explanation-5: -Metastore – The component that stores all the structure information of the various tables and partitions in the warehouse including column and column type information, the serializers and deserializers necessary to read and write data and the corresponding HDFS files where the data is stored.