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Query expressions are a declarative query syntax .Query expressions allows a programer to write queries in a high-level language.It is similar to Transact-SQL or XQuery. By using query expression ,complex data source operations like filtering, ordering, and grouping operations on data sources can be perform easily with less code.
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What is LINQ?
Language Integrated Query is an advanced concept introducted in .Net 3.5. Using this you can write your database query in .Net Environment itself.You can read and update the database very effectively using Linq.
When you run a query that contains a field Access evaluates the expression defined by the field and displays the resulting value in the query datasheet form or report?
a query can output to a form and a report. The norm is a report
How can I suppress 0 in an access query expression?
You would need to exclude the unwanted values in the where clause of the query, for example;select * from InvoiceLines where InvoiceValue 0
Can write query within the query?
Yes, you can have a query inside a query. That is known as a sub-query.
What is a net margin?
The Net Profit Margin is an Expression of the Net Profit as a percentage of the Revenue, where the Net Profit is the Revenue minus all Expenses. The Net Profit Margin can be calculated in the following ways: Net Profit Margin = Net Profit/Revenue*100 [or] Net Profit Margin = (Revenue - all Expenses)/Revenue*100
What is post query and pre query?
pre query
A query that prompts for input whenever it is run is a run-time query?
A query that prompts for input whenever it is run is a Paremeter Query
What is the difference between union and intersect operations in SQL?
In SQL, the UNION operation combines the result sets of two or more queries into a single result set, removing any duplicate rows. The INTERSECT operation returns only the common rows that appear in both result sets of two or more queries.
What is a nested query?
It is a query inside another query. Sometimes we might use one query to reduce down the amount of data to go through and then use another query based on the output of that query to get what you want. The first query is inside or nested in the first query.
What is the website address for the company pcanywhere?
The best place to look for the company pcanywhere is the net. You will get the best results by typing your query into an engine, which will direct you to the site in question.
What is sqldataadapter in net?
SqlDataAdapter class belongs to the System.Data.SqlCient namespace. It provides a set of data commands to fill a dataset from results returned during a SQL query.
What are subqueries used for in a database?
A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.A subquery is basically a query inside another query. Sometimes a main query needs to process data that is the result of another query. To extract that data a subquery could be built into a field in a main query. This is known as a subquery.
