ODAC

TOraDataSet Properties

Properties of the TOraDataSet class.

For a complete list of the TOraDataSet class members, see the TOraDataSet Members topic.

Public

Name Description

BaseSQL (inherited from TCustomDADataSet)

Used to return SQL text without any changes performed by AddWhere, SetOrderBy, and FilterSQL.

CachedUpdates (inherited from TMemDataSet)

Used to enable or disable the use of cached updates for a dataset.

ChangeNotification

Used to receive database change notification messages to refresh dataset when required.

CheckMode

Used to define the check mode before editing a record.

CommandTimeout

Sets the wait time before a request is sent to the server to terminate the attempt to execute or fetch the current SQL statement.

Conditions (inherited from TCustomDADataSet)

Used to add WHERE conditions to a query

Connection (inherited from TCustomDADataSet)

Used to specify a connection object to use to connect to a data store.

Cursor

Used to fetch data from the cursor parameter and cursor field in Oracle 8.

DataTypeMap (inherited from TCustomDADataSet)

Used to set data type mapping rules

Debug (inherited from TCustomDADataSet)

Used to display the statement that is being executed and the values and types of its parameters.

DetailFields (inherited from TCustomDADataSet)

Used to specify the fields that correspond to the foreign key fields from MasterFields when building master/detail relationship.

Disconnected (inherited from TCustomDADataSet)

Used to keep dataset opened after connection is closed.

DMLRefresh

Used to refresh record by RETURNING clause when insert or update is performed.

Encryption

Used to specify encryption options in a dataset.

FetchAll

Used to request all records of the query from database server when a dataset is being opened.

FetchRows (inherited from TCustomDADataSet)

Used to define the number of rows to be transferred across the network at the same time.

FilterSQL (inherited from TCustomDADataSet)

Used to change the WHERE clause of SELECT statement and reopen a query.

FinalSQL (inherited from TCustomDADataSet)

Used to return SQL text with all changes performed by AddWhere, SetOrderBy, and FilterSQL, and with expanded macros.

IndexFieldNames (inherited from TMemDataSet)

Used to get or set the list of fields on which the recordset is sorted.

IsPLSQL

Indicates whether a SQL statement is a PL/SQL block.

IsQuery

Indicates whether SQL statement returns rows or not.

KeyExclusive (inherited from TMemDataSet)

Specifies the upper and lower boundaries for a range.

KeyFields

Used to build SQL statements for the SQLDelete, SQLInsert, and SQLUpdate properties if they were empty before updating a database.

KeySequence

Used to specify the name of a sequence that will be used to fill in a key field after a new record is inserted or posted to a database.

LocalConstraints (inherited from TMemDataSet)

Used to avoid setting the Required property of a TField component for NOT NULL fields at the time of opening TMemDataSet.

LocalUpdate (inherited from TMemDataSet)

Used to prevent implicit update of rows on database server.

LockMode

Used to define when to perform the locking of an editing record.

MacroCount (inherited from TCustomDADataSet)

Used to get the number of macros associated with the Macros property.

Macros (inherited from TCustomDADataSet)

Makes it possible to change SQL queries easily.

MasterFields (inherited from TCustomDADataSet)

Used to specify the names of one or more fields that are used as foreign keys for dataset when establishing detail/master relationship between it and the dataset specified in MasterSource.

MasterSource (inherited from TCustomDADataSet)

Used to specify the data source component which binds current dataset to the master one.

NonBlocking

Used to execute a SQL statement and fetch rows by a separate thread.

Options

Used to specify the behaviour of TOraDataSetObject.

OptionsDS

Used to specify the behaviour of TOraDataSetObject.

ParamCheck (inherited from TCustomDADataSet)

Used to specify whether parameters for the Params property are generated automatically after the SQL property was changed.

ParamCount (inherited from TCustomDADataSet)

Used to indicate how many parameters are there in the Params property.

Params

Contains the parameters for a query's SQL statement.

Prepared (inherited from TMemDataSet)

Determines whether a query is prepared for execution or not.

Ranged (inherited from TMemDataSet)

Indicates whether a range is applied to a dataset.

ReadOnly (inherited from TCustomDADataSet)

Used to prevent users from updating, inserting, or deleting data in the dataset.

RefreshMode

Used to specify when to refresh an editing record.

RefreshOptions (inherited from TCustomDADataSet)

Used to indicate when the editing record is refreshed.

ReturnParams

Used to return a new fields value to dataset after insert or update.

RowsAffected (inherited from TCustomDADataSet)

Used to indicate the number of rows which were inserted, updated, or deleted during the last query operation.

RowsProcessed

Returns the number of rows processed by a query.

SequenceMode

Used to specify the methods used internally to generate a sequenced field.

Session

Used to specify the session in which dataset will be executed.

SmartFetch

The SmartFetch mode is used for fast navigation through a huge amount of records and to minimize memory consumption.

SQL (inherited from TCustomDADataSet)

Used to provide a SQL statement that a query component executes when its Open method is called.

SQLDelete (inherited from TCustomDADataSet)

Used to specify a SQL statement that will be used when applying a deletion to a record.

SQLInsert (inherited from TCustomDADataSet)

Used to specify the SQL statement that will be used when applying an insertion to a dataset.

SQLLock (inherited from TCustomDADataSet)

Used to specify a SQL statement that will be used to perform a record lock.

SQLRecCount (inherited from TCustomDADataSet)

Used to specify the SQL statement that is used to get the record count when opening a dataset.

SQLRefresh (inherited from TCustomDADataSet)

Used to specify a SQL statement that will be used to refresh current record by calling the TCustomDADataSet.RefreshRecord procedure.

SQLType

Used to get the typecode of the SQL statement being processed by Oracle database server.

SQLUpdate (inherited from TCustomDADataSet)

Used to specify a SQL statement that will be used when applying an update to a dataset.

StrictUpdate

Used for TOraDataSet to raise the 'Update failed' exception when the number of updated or deleted records are not equal to 1.

UniDirectional (inherited from TCustomDADataSet)

Used if an application does not need bidirectional access to records in the result set.

UpdateObject

Used to specify an update object component which provides SQL statements that perform updates of the read-only datasets.

UpdateRecordTypes (inherited from TMemDataSet)

Used to indicate the update status for the current record when cached updates are enabled.

UpdatesPending (inherited from TMemDataSet)

Used to check the status of the cached updates buffer.

See Also

© 1997-2022 Devart. All Rights Reserved. Request Support DAC Forum Provide Feedback