// Create a new DataManager object with database connection stringDataManager dm =newDataManager(Config.Dsn);// Create the query to retrieve the desired informationdm.QueryCriteria.And(JoinPath.Student.Columns.FirstName,"Tom",MatchType.Exact);// Copy the resulting dataset from DataManger to a ...
Learn how to retrieve data using a DataReader in ADO.NET with this sample code. DataReader provides an unbuffered stream of data.
Data Access Objects (DAO) Data types Error codes Forms design Forms - user input Printing Reports Settings Structured Query Language (Access SQL) Aggregate functions Clauses Reserved keywords ALL, DISTINCT, DISTINCTROW, TOP predicates Build SQL statements that include variables and controls ...
If you want to monitor the database for incoming data that matches a set of criteria, you can use the watch operation to be notified in real-time when matching data is inserted. Note Your query operation may return a reference to a cursor that contains matching documents. To learn how to...
You can use Microsoft Query to retrieve data from external sources. By using Microsoft Query to retrieve data from your corporate databases and files, you don't have to retype the data that you want to analyze in Excel. You can also refresh your Excel reports and summaries au...
Retrieve data with queries using SDK assemblies Build queries with LINQ (.NET language-integrated query) Build queries with FetchXML Build queries with QueryExpression Query hierarchical data Retrieve records for many-to-many relationships using intersect entities FetchXML schema Reduce potential data loss...
More information: Query Data using the Web API. Retrieve specific properties To limit the properties returned when you retrieve data with a GET request, use the $select system query option with a comma-separated list of property names. Requesting only the properties you need is an important ...
3: Query parameters Look at documentation for the OpenNotify API, we see that theISS Passendpoint requires twoparameters. The ISS Pass endpoint returns when the ISS will next pass over a given location on earth. In order to compute this, we need to pass the coordinates of the location to ...
Using queries instead of record variables Accessing columns of a query dataset Analyze query data using analysis mode Number sequences FlowFields and FlowFilters Indexing data for performance Streaming data Transferring data (during upgrade) Importing and exporting data Pages and the user i...
Now that a record exists in your database, you'll get results when you run a query. A query is one of the other fundamental operations of GraphQL. It's used to parse and retrieve information from your data source. In terms of REST APIs, this is similar to the GET operation. The ma...