These functions carry out reporting (retrieving data), updating (loading data) and calculation (aggregating data) tasks against the active database.
| Function | Description |
| EssReport() | Sends a report specification to the active database as a single string. |
| EssBeginReport() | Starts sending a report specification to the active database. |
| EssEndReport() | Marks the end of a report specification being sent to the active database. |
| EssUpdate() | Sends an update to the active database as a single string. |
| EssBeginUpdate() | Starts sending an update specification to the active database. |
| EssEndUpdate() | Marks the end of an update specification being sent to the active database. |
| EssGetString() | Gets a string of data from the active database. |
| EssSendString() | Sends a string of data to the active database. |
| EssCalc() | Sends and optionally executes a calc script against the active database as a single string. |
| EssBeginCalc() | Starts sending a calc script and optionally executes it against the active database. |
| EssEndCalc() | Marks the end of a calc script being sent to the active database. |
| EssDefaultCalc() | Executes the default calculation for the active database. |
| EssGetDefaultCalc() | Gets the default calc script for the active database. |
| EssListCalcFunctions | Lists all available calculator functions. |
| EssSetDefaultCalc() | Sets the default calc script for a database. |