late 14c., "conflict, fighting; difficulty, trouble," compounded from at do, dialectal in Norse influenced areas of England for to do, as some Scandinavian languages used at with infinitive [..]

trouble, fuss, difficulty

n. unnecessary activity or ceremony.

Jensens Internet Dictionary (See Database.)

An abbreviation for adagio.

(n) a rapid active commotion

A set of COM components used to access data objects through an OLEDB provider. ADO is commonly used to manipulate data in databases, such as Microsoft SQL Server 2000, Oracle, and Microsoft Access.

Stands for ActiveX Data Object. ADO is a technology developed by Microsoft that provides access to any kind of data source.

ActiveX Data Objects

<database design, computer programming> (ADO) Microsoft's library for accessing data sources through OLE DB. Typically it is used to query or modify data stored in a relational database. Home. Acronym: ADO (01 Aug 2003)

Automotive Diesel Oil. Diesel used as vehicle fuel.

ActiveX Data Objects. ADO is Microsoft's interface for data objects. ADO is designed to replace Data Access Objects (DAO) and Remote Data Objects (RDO). Unlike RDO and DAO, which are designed only for accessing relational databases, ADO is more general and can be used to access all sorts of different types of data such as spreadsheets and web [..]

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Doing; trouble; difficulty; troublesome business; fuss; bustle; as, to make a great ado about trifles.

male|lang=it

Api.drupal.org. API reference site for Drupal developer's documentation.