diff --git a/wherehows-data-model/DDL/ETL_DDL/dataset_info_metadata.sql b/wherehows-data-model/DDL/ETL_DDL/dataset_info_metadata.sql
index 6a0d36ba00..bc46e5a522 100644
--- a/wherehows-data-model/DDL/ETL_DDL/dataset_info_metadata.sql
+++ b/wherehows-data-model/DDL/ETL_DDL/dataset_info_metadata.sql
@@ -107,7 +107,7 @@ CREATE TABLE dataset_partition (
 
 CREATE TABLE `dataset_compliance` (
   `dataset_id`                INT(10) UNSIGNED NOT NULL,
-  `dataset_urn`               VARCHAR(200)     NOT NULL,
+  `dataset_urn`               VARCHAR(500)     NOT NULL,
   `compliance_purge_type`     VARCHAR(30)      DEFAULT NULL
   COMMENT 'AUTO_PURGE,CUSTOM_PURGE,LIMITED_RETENTION,PURGE_NOT_APPLICABLE',
   `compliance_entities`       MEDIUMTEXT       DEFAULT NULL
@@ -132,7 +132,7 @@ CREATE TABLE `dataset_compliance` (
   UNIQUE KEY `dataset_urn` (`dataset_urn`)
 )
   ENGINE = InnoDB
-  DEFAULT CHARSET = utf8;
+  DEFAULT CHARSET = latin1;
 
 CREATE TABLE dataset_constraint (
   `dataset_id`            INT UNSIGNED NOT NULL,
diff --git a/wherehows-data-model/DDL/ETL_DDL/dataset_metadata.sql b/wherehows-data-model/DDL/ETL_DDL/dataset_metadata.sql
index 1301727278..e1ea604ed5 100644
--- a/wherehows-data-model/DDL/ETL_DDL/dataset_metadata.sql
+++ b/wherehows-data-model/DDL/ETL_DDL/dataset_metadata.sql
@@ -23,10 +23,10 @@ CREATE TABLE `stg_dict_dataset` (
   `properties`                  TEXT CHARACTER SET utf8,
   `fields`                      MEDIUMTEXT CHARACTER SET utf8,
   `db_id`                       SMALLINT UNSIGNED,
-  `urn`                         VARCHAR(200) NOT NULL,
+  `urn`                         VARCHAR(500) NOT NULL,
   `source`                      VARCHAR(50) NULL,
   `location_prefix`             VARCHAR(200) NULL,
-  `parent_name`                 VARCHAR(200) NULL COMMENT 'Schema Name for RDBMS, Group Name for Jobs/Projects/Tracking Datasets on HDFS',
+  `parent_name`                 VARCHAR(500) NULL COMMENT 'Schema Name for RDBMS, Group Name for Jobs/Projects/Tracking Datasets on HDFS',
   `storage_type`                ENUM('Table', 'View', 'Avro', 'ORC', 'RC', 'Sequence', 'Flat File', 'JSON', 'BINARY_JSON', 'XML', 'Thrift', 'Parquet', 'Protobuff') NULL,
   `ref_dataset_name`            VARCHAR(200) NULL,
   `ref_dataset_id`              INT(11) UNSIGNED NULL COMMENT 'Refer to Master/Main dataset for Views/ExternalTables',
@@ -61,11 +61,11 @@ CREATE TABLE `dict_dataset` (
   COMMENT 'JSON, Hive, DDL, XML, CSV',
   `properties`                  TEXT CHARACTER SET utf8,
   `fields`                      MEDIUMTEXT CHARACTER SET utf8,
-  `urn`                         VARCHAR(200) CHARACTER SET utf8                                                             NOT NULL,
+  `urn`                         VARCHAR(500) CHARACTER SET utf8                                                             NOT NULL,
   `source`                      VARCHAR(50)                                                                                 NULL
   COMMENT 'The original data source type (for dataset in data warehouse). Oracle, Kafka ...',
   `location_prefix`             VARCHAR(200)                                                                                NULL,
-  `parent_name`                 VARCHAR(200)                                                                                NULL
+  `parent_name`                 VARCHAR(500)                                                                                NULL
   COMMENT 'Schema Name for RDBMS, Group Name for Jobs/Projects/Tracking Datasets on HDFS ',
   `storage_type`                ENUM('Table', 'View', 'Avro', 'ORC', 'RC', 'Sequence', 'Flat File', 'JSON', 'BINARY_JSON', 'XML', 'Thrift', 'Parquet', 'Protobuff') NULL,
   `ref_dataset_id`              INT(11) UNSIGNED                                                                            NULL
diff --git a/wherehows-data-model/DDL/ETL_DDL/owner_metadata.sql b/wherehows-data-model/DDL/ETL_DDL/owner_metadata.sql
index bf043b32fb..3d5f0b09d3 100644
--- a/wherehows-data-model/DDL/ETL_DDL/owner_metadata.sql
+++ b/wherehows-data-model/DDL/ETL_DDL/owner_metadata.sql
@@ -15,7 +15,7 @@
 
 CREATE TABLE dataset_owner (
   `dataset_id`    INT UNSIGNED NOT NULL,
-  `dataset_urn`   VARCHAR(200) NOT NULL,
+  `dataset_urn`   VARCHAR(500) NOT NULL,
   `owner_id`      VARCHAR(127) NOT NULL,
   `app_id`        SMALLINT NOT NULL COMMENT 'application id of the namespace',
   `namespace`     VARCHAR(127) COMMENT 'the namespace of the user',
@@ -36,11 +36,13 @@ CREATE TABLE dataset_owner (
   wh_etl_exec_id  BIGINT COMMENT 'wherehows etl execution id that modified this record',
   PRIMARY KEY (`dataset_id`, `owner_id`, `app_id`, `owner_source`),
   UNIQUE KEY `with_urn` (`dataset_urn`, `owner_id`, `app_id`, `owner_source`)
-);
+)
+  ENGINE = InnoDB
+  DEFAULT CHARSET = latin1;
 
 CREATE TABLE stg_dataset_owner (
   `dataset_id` INT COMMENT 'dataset_id',
-  `dataset_urn` VARCHAR(200) NOT NULL,
+  `dataset_urn` VARCHAR(500) NOT NULL,
   `owner_id` VARCHAR(127) NOT NULL,
   `sort_id` SMALLINT COMMENT '0 = primary owner, order by priority/importance',
   `app_id` INT COMMENT 'application id of the namesapce',
@@ -58,7 +60,9 @@ CREATE TABLE stg_dataset_owner (
   KEY (dataset_urn, owner_id, namespace, db_name),
   KEY dataset_index (dataset_urn),
   KEY db_name_index (db_name)
-);
+)
+  ENGINE = InnoDB
+  DEFAULT CHARSET = latin1;
 
 CREATE TABLE stg_dataset_owner_unmatched (
   `dataset_urn` VARCHAR(200) NOT NULL,