ODAC

TOraQuery Properties

Properties of the TOraQuery class.

For a complete list of the TOraQuery class members, see the TOraQuery 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 (inherited from TOraDataSet)

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

CheckMode (inherited from TOraDataSet)

Used to define the check mode before editing a record.

CommandTimeout (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

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

Encryption (inherited from TOraDataSet)

Used to specify encryption options in a dataset.

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 (inherited from TOraDataSet)

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

IsQuery (inherited from TOraDataSet)

Indicates whether SQL statement returns rows or not.

KeyExclusive (inherited from TMemDataSet)

Specifies the upper and lower boundaries for a range.

KeyFields (inherited from TOraDataSet)

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

KeySequence (inherited from TOraDataSet)

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.

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 (inherited from TOraDataSet)

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

Options (inherited from TOraDataSet)

Used to specify the behaviour of TOraDataSetObject.

OptionsDS (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

Used to specify when to refresh an editing record.

RefreshOptions (inherited from TCustomDADataSet)

Used to indicate when the editing record is refreshed.

ReturnParams (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

Returns the number of rows processed by a query.

SequenceMode (inherited from TOraDataSet)

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

Session (inherited from TOraDataSet)

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

SmartFetch (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

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 (inherited from TOraDataSet)

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.

Published

Name Description

FetchAll

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

LockMode

Used to specify what kind of lock will be performed when editing a record.

UpdatingTable

Used to specify which table in a query is assumed to be the target for subsequent data-modification queries as a result of user incentive to insert, update or delete records.

See Also

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