diff --git a/1/GBD/mariadb-oracle-conversion.txt b/1/GBD/mariadb-oracle-conversion.txt
new file mode 100644
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+++ b/1/GBD/mariadb-oracle-conversion.txt
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+==============================================
+*** Conversion Table for MariaDB to Oracle ***
+==============================================
+
+--------------------------------------------------------------------
+| MariaDB                        | Oracle                          |
+--------------------------------------------------------------------
+| ADD/MODIFY COLUMN              | ADD MODIFY                      |
+| CASCADE                        | CASCADE CONSTRAINT              |
+| FLOAT                          | NUMBER                          |
+--------------------------------------------------------------------