| Base Of Difference | Table Storage Service | Azure SQL Table |
| Data Schema | In Azure Table Storage data schema is not enforce for storage. | In Azure SQL Storage data schema is enforced to store data and if any of schema violation is occured then it will results and error. |
| RelationShip | Here in Table Storage relationship between tables is not possible. | Here relations between different tables are defined by means of the foreign keys. |
| Uses | This type of service can be used to store log information or to diagnostics data. | This type of service is widely used for the transaction based applications. |
| Storage | Table Storage Service mainly follows a NoSQL type of storage on Azure. | Azure SQL Table will follows the relational storage structure on Azure. |
| Data Format | Here data is stored in key-value format and this is referred to as Entity. | Here data is stored in rows and columns combinations in SQL tables |
| Unique Key | Here parition and row key combination are considered unique for each of entity. | Uniqueness can be defined by the user by means of a primary key or unique key. |