Be it relational database, Hive, or Spark SQL, Finding the table size is one of the common requirements. Relational databases such as Snowflake, Teradata, etc support system tables. You can use those system tables to identify the size of tables. But, there are no system tables in Spark SQL. You can make use of the Spark catalog API to find the tables size in the Spark SQL database. Find Tables Size in Spark SQL Starting version 2.0, Spark supports catalog API. It has many useful methods such as listtables, listdatabases,…