diff --git a/README.md b/README.md
index 761127d..0c697ab 100644
--- a/README.md
+++ b/README.md
@@ -106,6 +106,8 @@ One of the advantages of the `doc` approach over the `meta` approach is that it
 
 ✅ Snowflake
 
+✅ Oracle
+
 ✅ SQL Server
 
 ❌ Apache Spark
diff --git a/macros/cross_db_utils.sql b/macros/cross_db_utils.sql
index d9daa5d..21bc49b 100644
--- a/macros/cross_db_utils.sql
+++ b/macros/cross_db_utils.sql
@@ -8,6 +8,10 @@
   varchar
 {%- endmacro -%}
 
+{%- macro oracle__type_string() -%}
+  varchar(1000)
+{%- endmacro -%}
+
 {%- macro bigquery__type_string() -%}
   string
 {%- endmacro -%}
@@ -80,6 +84,10 @@
   {{ relation.information_schema() }}
 {%- endmacro -%}
 
+{%- macro oracle__information_schema(relation) -%}
+  ALL_TAB_COLUMNS
+{%- endmacro -%}
+
 {%- macro bigquery__information_schema(relation) -%}
   {{ adapter.quote(relation.database) }}.{{ adapter.quote(relation.schema) }}.INFORMATION_SCHEMA
 {%- endmacro -%}
@@ -100,6 +108,15 @@
   order by ordinal_position asc
 {%- endmacro -%}
 
+{%- macro oracle__select_from_information_schema_columns(relation) -%}
+  select
+    *
+  from {{ dbt_profiler.information_schema(relation) }}
+  where lower(owner) = lower('{{ relation.schema }}') 
+    and lower(table_name) = lower('{{ relation.identifier }}')
+  order by column_id asc
+{%- endmacro -%}
+
 {%- macro redshift__select_from_information_schema_columns(relation) -%}
   select
     attr.attname::varchar as column_name,
@@ -113,4 +130,4 @@
   where lower(table_schema) = lower('{{ relation.schema }}') 
     and lower(table_name) = lower('{{ relation.identifier }}')
     and attr.attnum > 0
-{%- endmacro -%}
+{%- endmacro -%}
\ No newline at end of file
diff --git a/macros/measures.sql b/macros/measures.sql
index fddf0da..adc6a42 100644
--- a/macros/measures.sql
+++ b/macros/measures.sql
@@ -5,9 +5,12 @@
 {%- endmacro -%}
 
 {%- macro default__measure_row_count(column_name, data_type) -%}
-cast(count(*) as {{ dbt.type_int() }})
+cast(count(*) as {{ dbt.type_bigint() }})
 {%- endmacro -%}
 
+{%- macro oracle__measure_row_count(column_name, data_type) -%}
+cast(count(*) as {{ dbt.type_numeric() }})
+{%- endmacro -%}
 
 {# measure_not_null_proportion  -------------------------------------------------     #}
 
@@ -19,6 +22,11 @@ cast(count(*) as {{ dbt.type_int() }})
 sum(case when {{ adapter.quote(column_name) }} is null then 0 else 1 end) / cast(count(*) as {{ dbt.type_numeric() }})
 {%- endmacro -%}
 
+{%- macro oracle__measure_not_null_proportion(column_name, data_type) -%}
+case when cast(count(*) as {{ dbt.type_numeric() }}) != 0 THEN 
+sum(case when {{ adapter.quote(column_name) }} is null then 0 else 1 end) / cast(count(*) as {{ dbt.type_numeric() }})
+ELSE 0 END
+{%- endmacro -%}
 
 {# measure_distinct_proportion  -------------------------------------------------     #}
 
@@ -34,6 +42,16 @@ sum(case when {{ adapter.quote(column_name) }} is null then 0 else 1 end) / cast
 {%- endif -%}
 {%- endmacro -%}
 
+{%- macro oracle__measure_distinct_proportion(column_name, data_type) -%}
+{%- if not dbt_profiler.is_struct_dtype(data_type) -%}
+	CASE WHEN cast(count(*) as {{ dbt.type_numeric() }}) != 0 THEN 
+    count(distinct {{ adapter.quote(column_name) }}) / cast(count(*) as {{ dbt.type_numeric() }})
+	ELSE 0 END
+{%- else -%}
+    cast(null as {{ dbt.type_numeric() }})
+{%- endif -%}
+{%- endmacro -%}
+
 {# measure_distinct_count  -------------------------------------------------     #}
 
 {%- macro measure_distinct_count(column_name, data_type) -%}
@@ -62,6 +80,14 @@ sum(case when {{ adapter.quote(column_name) }} is null then 0 else 1 end) / cast
 {%- endif -%}
 {%- endmacro -%}
 
+{%- macro oracle__measure_is_unique(column_name, data_type) -%}
+{%- if not dbt_profiler.is_struct_dtype(data_type) -%}
+    CASE WHEN count(distinct {{ adapter.quote(column_name) }}) = count(*) THEN 'Y' ELSE 'N' END
+{%- else -%}
+    null
+{%- endif -%}
+{%- endmacro -%}
+
 {%- macro sqlserver__measure_is_unique(column_name, data_type) -%}
 case when count(distinct {{ adapter.quote(column_name) }}) = count(*) then 1 else 0 end
 {%- endmacro -%}
@@ -183,7 +209,7 @@ case when count(distinct {{ adapter.quote(column_name) }}) = count(*) then 1 els
 
 {%- endmacro -%}
 
-{%- macro sql_server__measure_median(column_name, data_type, cte_name) -%}
+{%- macro sqlserver__measure_median(column_name, data_type, cte_name) -%}
 
 {%- if dbt_profiler.is_numeric_dtype(data_type) and not dbt_profiler.is_struct_dtype(data_type) -%}
     percentile_cont({{ adapter.quote(column_name) }}, 0.5) over ()
@@ -246,4 +272,4 @@ case when count(distinct {{ adapter.quote(column_name) }}) = count(*) then 1 els
     cast(null as {{ dbt.type_numeric() }})
 {%- endif -%}
 
-{%- endmacro -%}
+{%- endmacro -%}
\ No newline at end of file
diff --git a/macros/relation.sql b/macros/relation.sql
index 7512b15..5ab5a37 100644
--- a/macros/relation.sql
+++ b/macros/relation.sql
@@ -45,4 +45,10 @@
 
 {% do run_query("select top(0) * from " ~ relation ~ "") %}
 
+{% endmacro %}
+
+{% macro oracle__assert_relation_exists(relation) %}
+
+{% do run_query("select * from " ~ relation ~ " where rownum < 0") %}
+
 {% endmacro %}
\ No newline at end of file