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Refer Image 1 for available libraries, wherein 'Microsoft ActiveX Data Objects 6.1 Library' has been selected. ADOX: ADOX refers to ActiveX Data Objects Extensions for Data Definition Language and Security, and it is an extension to the ADO library in which additional objects, for creating and modifying database tables, and for security, are.

1. Microsoft Activex Data Objects 6.1 Library Download Windows 7
2. Activex Data Objects 6.1 Download Windows 7

In computing, Microsoft's ActiveX Data Objects (ADO) comprises a set of Component Object Model (COM) objects for accessing data sources. A part of MDAC (Microsoft Data Access Components), it provides a middleware layer between programming languages and OLE DB (a means of accessing data stores, whether databases or not, in a uniform manner). ADO allows a developer to write programs that access data without knowing how the database is implemented; developers must be aware of the database for connection only. No knowledge of SQL is required to access a database when using ADO, although one can use ADO to execute SQL commands directly (with the disadvantage of introducing a dependency upon the type of database used).

Microsoft introduced ADO in October 1996, positioning the software as a successor to Microsoft's earlier object layers for accessing data sources, including RDO (Remote Data Objects) and DAO (Data Access Objects).

ADO is made up of four collections and twelve objects.

ADO collections[edit]

Fields

This collection contains a set of Field objects. The Collection can be used in either a Recordset object or in a Record object. In a Recordset object, each of the Field objects that make up the Fields collection corresponds to a column in that Record set object. In a Record object, a Field can be an absolute or relative URL that points into a tree-structured namespace (used for semi-structured data providers like the Microsoft OLE DB Provider for Internet Publishing) or as a reference to the default Stream object associated with that Record object.

Properties

An object can have more than one Property object, which are contained in the object's Properties collection.

Parameters

A Command object can have several Parameter commands to change its predefined behaviour, and each of the Parameter objects are contained in the Command object's Parameters collection

Errors

All provider-created errors are passed to a collection of Error objects, while the Errors collection itself is contained in a Connection object. When an ADO operation creates an error, the collection is cleared and a new group of Error objects is created in the collection.

ADO objects[edit]

Connection

The connection object is ADO's connection to a data store via OLE DB. The connection object stores information about the session and provides methods of connecting to the data store. As some data stores have different methods of establishing a connection, some methods may not be supported in the connection object for particular OLE DB provider. A connection object connects to the data store using its 'Open' method with a connection string which specifies the connection as a list of key value pairs (for example: 'Provider='SQLOLEDB';Data Source='TheSqlServer'; Initial Catalog='Northwind';Integrated Security='SSPI';'). The start of this connection string must identify the type of data store connection that the connection object requires:

• an OLE DB provider (for example SQLOLEDB), using the syntax 'provider=';
• a file name, using the syntax 'file name=';
• a remote provider and server (see RDS), using the syntax 'Remote provider=' and 'Remote server='; or
• an absolute URL, using the syntax 'URL='

Command

After the connection object establishes a session to the data source, instructions are sent to the data provider via the command object. The command object can send SQL queries directly to the provider through the use of the CommandText property, send a parameterised query or stored procedure through the use of a Parameter object or Parameters collection or run a query and return the results to a dataset object via the Execute method. There are several other methods that can be used in the Command object relating to other objects, such as the Stream, RecordSet or Connection objects.

Recordset

A recordset is a group of records, and can either come from a base table or as the result of a query to the table. The RecordSet object contains a Fields collection and a Properties collection. The Fields collection is a set of Field objects, which are the corresponding columns in the table. The Properties collection is a set of Property objects, which defines a particular functionality of an OLE DB provider. The RecordSet has numerous methods and properties for examining the data that exists within it. Records can be updated in the recordset by changing the values in the record and then calling on the Update or UpdateBatch method.

Immediate

The recordset is locked using the adLockOptimistic or adLockPessimistic lock. The data are updated at the data source after the record is changed and the Update method is called.

Batch

The recordset is locked using adLockBatchOptimistic and each time Update is called the data are updated in a temporary buffer. Finally, when UpdateBatch is called the data are completely updated back at the data source. This has the advantage of it all being done in memory, and if a problem occurs then UpdateCancel is called and the updates are not sent to the data source.

Transaction

If the OLE DB provider allows it, transactions can be used. To start the transaction, the programmer invokes the BeginTrans method and does the required updates. When they are all done, the programmer invokes the CommitTrans method. RollbackTrans can be invoked to cancel any changes made inside the transaction and roll back the database to the state before the transaction began.

Record

This object represents one record in the database and contains a fields collection. A RecordSet consists of a collection of Record objects.

Stream

A stream, mainly used in a RecordSet object, is a means of reading and writing a stream of bytes. It is mostly used to save a recordset in an XML format, to send commands to an OLE DB provider as an alternative to the CommandText object and to contain the contents of a binary or text file.

Parameter

A parameter is a means of altering the behaviour of a common piece of functionality, for instance a stored procedure might have different parameters passed to it depending on what needs to be done; these are called parameterised commands.

Field

Each Record object contains many fields, and a RecordSet object has a corresponding Field object also. The RecordSet object's Field object corresponds to a column in the database table that it references.

Property

This object is specific to the OLE DB provider and defines an ability that the provider has implemented. A property object can be either a built-in property — it is a well-defined property implemented by ADO already and thus cannot be altered — or can be a dynamic property — defined by the underlying data provider and can be changed

Error

When an OLE DB provider error occurs during the use of ADO, an Error object will be created in the Errors collection. Other errors do not go into an Error object, however. For instance, any errors that occur when manipulating data in a RecordSet or Field object are stored in a Status property.

Basic usage[edit]

Some basic steps are required in order to be able to access and manipulate data using ADO :

1. Create a connection object to connect to the database.
2. Create a recordset object in order to receive data in.
3. Open the connection
4. Populate the recordset by opening it and passing the desired table name or SQL statement as a parameter to open function.
5. Do all the desired searching/processing on the fetched data.
6. Commit the changes you made to the data (if any) by using Update or UpdateBatch methods.
7. Close the recordset
8. Close the connection

ASP example[edit]

Here is an ASP example using ADO to select the 'Name' field, from a table called 'Phonebook', where a 'PhoneNumber' was equal to '555-5555'.

Microsoft Activex Data Objects 6.1 Library Download Windows 7

This is equivalent to the following ASP code, which uses plain SQL instead of the functionality of the Recordset object:

Software support[edit]

Activex Data Objects 6.1 Download Windows 7

ADO is supported in any development language that supports binding to binary COM interfaces. These languages include ASP, Delphi, PowerBuilder, and Visual Basic for Applications (VBA). ADO support has now been added to dBase Plus 8 (With ADO)

Legacy[edit]

ADO.NET has replaced ADO in the same way that C#/.NET replaced C/Win32 as the primary mode for targeting Windows application development. ADO.NET follows the same design pattern as ADO, enabling an ADO developer an easy path forward when moving to the .NET framework.

See also[edit]

References[edit]

External links[edit]

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• Sage Data Objects v.2Integrate Sage with .NET applications using the Sage DataObjects API. See SageDataObjects.com for more details, code examples, and licensing. This component is fully functional for 14 days.
• .Net Data Objects v.4.0.4280Softgroup .Net DataObjects is a .Net component that gives to developers powerful objects for accessing, editing, and updating data from a wide range of databases throw an internal system named 'Scripts Drivers'. With Softgroup .Net DataObjects ..
• Infralution Virtual Data Objects v.1.1Virtual DataObjects enables you to get the best of both worlds - the simplicity and flexibility of traditional ADO programming with power of .NET data binding.
• Microsoft Outlook 2000 Collaboration Data ObjectsThe Outlook 2000 Collaboration DataObjects (CDO) Security Update provides a higher level of security against most viruses, such as the ILOVEYOU and Melissa viruses, as well as other viruses that spread themselves through ..
• Extensible Data Objects v.1.0Extensible DataObjects (EDO) is a Markup-style scripting language for accessing and manipulating data from different sources (predominantly SQL sources, but also capable of extending to DNS, etc..), through an extensible plugin framework.
• Java Active Data Objects v.1.0Java Active DataObjects is a JDBC driver designed to be an open and transparent extension to any other JDBC compliant driver. Includes table definitions, query generation support, named parameter querys, properties binding and dynamic code generation.
• .NET Data Objects (NDO) v.1.0NDO (.NET DataObjects) is a powerful tool for object relational mapping (O/R-Mapping) on the Microsoft .NET Platform. It integrates smoothly in Visual Studio, using an Add-in.
• Ajaxdo - Ajax persistent Data Objects v.1.0Ajax DataObjects (ajaxdo) provides an easy database persistency framework for JavaScript objects. Ajaxdo enables runtime loading, saving, deleting, and listing of JavaScript objects stored on the server database.
• Microsoft Exchange Server MAPI Client and Collaboration Data Objects v.6.5.8131.0Starting with Exchange 2007, neither the Messaging API (MAPI) client libraries nor CDO 1.

• Collaboration Data Objects, version v.6.5.8131.0Beginning in Exchange Server 2007 and Outlook 2007, CDO 1.
• PyDO - Python Data Objects v.1.0PyDO is a python library that provide an higher-level access to databases than DB-API and a set a data-aware controls to easly build GUI front-end to databases.
• INACTIVE: Sparrow: Java Data Objects v.1.0This project is no longer being pursued. There are several JDO impls undergoing development including OJB, XORM, TJDO, etc. Give them a try!Sparrow is a high performance transparent persistence service (aka. Object Database) implementing the Java Dat ..
• DevGuru ADO Quick Reference Guide v.2.6DevGuru ADO Quick Reference Guide 2.6 uses the latest technology and science to reference nine ADOs and three RDS objects.The DevGuru ADO Quick Reference Guide is a comprehensive 332-page PDF reference that documents all of the properties, ..
• ADO Query v.1.6.0This application manages any databases suppoted by Microsoft ActiveXdataObjects (need to be installed). You can also import data from CSV and export to CSV and XML format. It contains following modules: -SQL Editor It contains SQL Editor with ..
• Statement Tracer for ADO v.0.1.0.4An effective and simple solution for monitoring SQL queries to Microsoft® ActiveX® DataObjects (ADO) data sources. With this software, a developer will be able to: Quickly detect the cause of an error in his program. See the sections critical for ..
• Sage For Java v.1Integrate Sage Line 50 with Java, using Sage DataObjects for Java. See http://www.sageDataObjects.com for more information. It is possible to connect Sage with Java via Sage DataObjects, and EZJCom's Java-COM bridge ..
• JiBX - XML Data Binding for Java v.1.2.4JiBX is a framework for XML data binding to Java. It works with existing classes, using a flexible mapping definition file to determine how dataobjects are translated to and from XML. See the Home Page for details and external bug tracking system ..
• Lightweight Data Object v.2.0.1LDO's are lightweight dataobjects, Java classes that provide query and update access a single table or view in a SQL database. The LDO utility provides a user-friendly interface to generate that JDBC ..
• Data Shell v.1.0A front end shell around dataobjects designed to facilitate rich access to objects written in any programming language from applications written in any other programming language.
• Bricolsoft Zip Compression Component v.2009Bricolsoft Zip is an easy-to-use, high performance, PKZIP-compatible ActiveXdata compression component/library that lets developers quickly add zip and unzip functionality to their applications.

• JiBX - XML Data Binding for Java JiBX is a framework for XML data binding to Java. It works
• Statement Tracer for ADO An effective and simple solution for monitoring SQL queries
• ObjectDB for Java-JDO ObjectDB for Java/JDO is a powerful yet compact Object
• Infralution Virtual Data Objects Virtual Data Objects enables you to get the best of both
• JDO Learning Tools The JDO Learning Tools demonstrate the behavior of Sun's
• Ajaxdo - Ajax persistent Data Objects Ajax Data Objects (ajaxdo) provides an easy database
• AjaxDo Ajax Data Objects (ajaxdo) provides an easy database
• Sage Data Objects Integrate Sage with . NET applications using the Sage
• Sage For Java Integrate Sage Line 50 with Java, using Sage Data
• .Net Data Objects Softgroup .Net Data Objects is a .Net component that

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