4DランゲージCommands by themeSQLバージョン: 次へSQLBegin SQLEnd SQLIs field value Null ( aField : Field ) : BooleanQUERY BY SQL ( {aTable : Table ;} sqlFormula : Text )SET FIELD VALUE NULL ( aField : Field )SQL CANCEL LOADSQL End selection : BooleanSQL EXECUTE ( sqlStatement : Text {; ...boundObj : Variable, Field} )SQL EXECUTE SCRIPT ( scriptPath : Text ; errorAction : Integer {; attribName : Text ; attribValue : Text} {; ...(attribName : Text, attribValue : Text)} )SQL EXPORT DATABASE ( folderPath : Text {; numFiles : Integer {; fileLimitSize : Integer {; fieldLimitSize : Integer}}} )SQL EXPORT SELECTION ( aTable : Table ; folderPath : Text {; numFiles : Integer {; fileLimitSize : Integer {; fieldLimitSize : Integer}}} )SQL Get current data source : TextSQL GET DATA SOURCE LIST ( sourceType : Integer ; sourceNamesArr : Text array ; driversArr : Text array )SQL GET LAST ERROR ( errCode : Integer ; errText : Text ; errODBC : Text ; errSQLServer : Integer )SQL GET OPTION ( option : Integer ; value : Integer, Text )SQL LOAD RECORD ({ numRecords : Integer })SQL LOGIN ({ dataEntry : Text ; userName : Text ; password : Text ; * })SQL LOGOUTSQL SET OPTION ( option : Integer ; value : Integer, Text )SQL SET PARAMETER ( object : Object ; paramType : Integer )START SQL SERVERSTOP SQL SERVER