Defining MySQL Functions

The following properties are applicable to a MySQL Function object.

Tab	Property	Description	Additional Information
General	Definer	Specifies the MySQL account to be used to check access privileges at function execution if the Security_Type is set to Definer
	Data_Access	Specifies the nature of data use by the function	Contain_Sql: Indicates that the statements in the function do not read or write data No_Sql: Indicates that there are no SQL statements in the function Read_Sql_Data: Indicates that the statements in the function only read the data. They do not modify the data. Modifies_Sql_Data: Indicates that the function contains SQL statements that might modify data
	Security_Type	Specifies the privileges to be used when the function is executed	Definer: Indicates that the privileges of the account named in the Definer clause of the function must be used Invoker: Indicates that the privileges of the account that invokes the function must be used
	Language	Specifies the language in which the function is written	MySQL only supports SQL as language.
	Is Deterministic	Specifies whether the function always returns the same results for a given parameters list
	Return_Type	Specifies the return type of the function
Parameters	Parameters	Indicates the list of function parameters
Parameters	Physical Data Type	Specifies the data type of a parameter