Dal > Dal Assembly Interfaces > IDalCommandParam
The IDalCommandParam interface contains properties of parameters of the SQL queries that are used to execute a command at the database server.
| Property name | Brief description | |
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DataDomain | The DataDomain property determines a parameter data type if the parameter is used to transfer multibyte information. |
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DataType | The DataType property determines a data type of SQL query parameter. |
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Direction | The Direction property determines a destination of SQL query parameter. |
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Name | The Name property returns the name of the SQL query parameter that is used to execute the command at the database server. |
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Size | The Size property determines maximum length of the value that parameter can take. |
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Value | The Value property determines a value of the SQL query parameter that is used to execute the command at the database server. |
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