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Tuesday 4 June 2013

SSRS Interview Questions and Answers

05:55
SQL Server Reporting Service is one of the server-based software systems that generate reports developed by Microsoft. It is used for preparing and delivering interactive and variety of printed reports. It is administered through an interface that is web based. Reporting services utilizes a web service interface for supporting and developing of customized reporting applications. It can be competed with Crystal Reports and other business intelligent tools.

Explain SSRS Architecture
Reporting services architecture is comprises of integrated components. It is multi-tiered, included with application, server and data layers. This architecture is scalable and modular. A single installation can be used across multiple computers. It includes the following components: - Report Manager, Reporting Designer, Browser Types Supported by Reporting services, Report server, Report server command line utilities, Report Server Database, Reporting Services Extensibility, Data sources that is supported by Reporting Services.

Explain Reporting Life Cycye
The Reporting Lifecycle includes - Report designing – The designing is done in Visual Studio Report Designer. It generates a class which embodies the Report Definition. - Report processing – The processing includes binging the report definition with data from the report data source. It performs on all grouping, sorting and filtering calculations. The expressions are evaluated except the page header, footer and section items. Later it fires the Binding event and Bound event. As a result of the processing, it produces Report Instance. Report instance may be persisted and stored which can be rendered at a later point of time. - Report Rendering: Report rendering starts by passing the Report Instance to a specific rendering extension (HTML or PDF formats). The instance of reports is paged if paging supported by output format. The expressions of items are evaluated in the page header and footer sections for every page. As a final step, the report is rendered to the specific output document.

How to finetune Reports
To tune-up the Reporting Services, follow the below mentioned ways: - Expand the Server or utilizing the reporting services of another database server. For better embedding of report contents, report application’s logic and characteristics can have a duplicate copy of data. - Replication of data continuously. Using nolock, the issues of locking can well be resolved and the performance of the query can be improved. This can be done by using dirty read at the time of duplicating the data is unavailable.

What are Data Driven Subscriptions
Reporting Services provides data-driven subscriptions so that you can customize the distribution of a report based on dynamic subscriber data. Data-driven subscriptions are intended for the following kinds of scenarios: Distributing reports to a large recipient pool whose membership may change from one distribution to the next. For example distribute a monthly report to all current customers. Distributing reports to a specific group of recipients based on predefined criteria. For example send a sales performance report to the top ten sales managers in an organization.

What is Linked Report
What are different types of roles provided by SSRS
Difference between Logical Page an Physical Page in SSRS.
Logical page breaks are page breaks that you insert before or after report items or groups. Page breaks help to determine how the content is fitted to a report page for optimal viewing when rendering or exporting the report. The following rules apply when rendering logical page breaks: Logical page breaks are ignored for report items that are constantly hidden and for report items where the visibility is controlled by clicking another report item. Logical page breaks are applied on conditionally visible items if they are currently visible at the time the report is rendered. Space is preserved between the report item with the logical page break and its peer report items. Logical page breaks that are inserted before a report item push the report item down to the next page. The report item is rendered at the top of the next page. Logical page breaks defined on items in table or matrix cells are not kept. This does not apply to items in lists.

User want only to display only pdf as export option in report Manager. How to acheive this
Name and Describe few console utilities for SSRS
Name few Endpoints exposed by SSRS 2012
Describe different Processing Modes offered by SSRS
When to Use Null Data driven Subscription
Create a data-driven subscription that uses the Null Delivery Provider. When you specify the Null Delivery Provider as the method of delivery in the subscription, the report server targets the report server database as the delivery destination and uses a specialized rendering extension called the null rendering extension. In contrast with other delivery extensions, the Null Delivery Provider does not have delivery settings that you can configure through a subscription definition.

How can you monitor the report Usage
How does the report manager work in SSRS
Report manager is a web application. In SSRS it is accessed by a URL. The interface of this Report manager depends on the permissions of the user. This means to access any functionality or perform any task, the user must be assigned a role. A user with a role of full permissions can entire all the features and menus of the report. To configure the report manager, a URL needs to be defined.

What are the Reporting Services components
Reporting services components assist in development. These processing components include some tools that are used to create, manage and view reports. A report designer is used to create the reports. a report sever is used to execute and distribute reports. a report manager is used to manage the report server.

SQL Server Reporting Services vs Crystal Reports.
Crystal reports are processed by IIS while SSRS have a report server. Caching in Crystal reports is available through cache server. On the other hand, caching in SSRS is available for Report history snapshots. Crystal reports have standards and user defined field labels. SSRS allows only user defined field labels.

What is Report Builder
Report Builder is a business-user, ad-hoc report design client that allows users to design reports based on the business terms (Report Builder model) they are familiar with, but without needing to understand database schemas or how to write SQL or MDX queries. Report Builder works with both SQL Server and Analysis Services data sources.

How does Report Builder support Analysis Services cubes
Report Builder supports relational SQL and Analysis Services data sources in SQL Server 2005. To create a model for Analysis Services cube, go to Report Manager or Management Studio, create a data source for your Analysis Services database, and then select the Generate Model option to create the model.

How do users use Report Builder with SQL Server data sources
While models that provide access to SQL Server Analysis Services are automatically generated on the report server, the Report Builder Model Designer can be used to generate or modify the models that are built on top of SQL Server relational databases. These model-building projects are a new type of project within a Visual Studio–based development shell.

How do I get Report Builder to generate a parameter that can be set by users viewing the report
In the filter dialog box, click the name of the criteria that you would like to prompt the user for when viewing the report. For example, for the criteria Order Year=2000, click Order Year. Select the Prompt option in the drop-down list.

What new data source types were added in SSRS 2012
In addition to the data source types available in SSRS 2005 (SQL Server, Oracle, ODBC, OLE DB), the following have been added in SSRS 2008: SQL Server 2005 Analysis Services SQL Server 2005 Integration Services SQL Server 2005 Report Builder Models XML (through URL and Web services) SAP

How can I add Reporting Services reports to my application
Visual Studio 2005 (Standard and Enterprise editions) contains a set of freely redistributable Report Viewer controls that make it easy to embed Reporting Services functionality into custom applications. Two versions of the Report Viewer exist, one for rich Windows client applications and one for ASP.NET applications.

Do I need a report server to run reports in my application
In addition to publishing reports to a report server, you can build reports using the Report Designer that is directly integrated with Visual Studio language projects. You can embed reports directly in any Windows Forms or ASP.NET Web application without access to a report server. The data access in embedded reports is a natural extension of the Visual Studio data facilities. Not only can you use traditional databases as a source of data for your reports, you can use object collections as well.

Can you import Microsoft Excel data to SSRS
Reporting Services does not import data. It only queries data in whatever format it is stored in their native storage system. I will assume that you're asking whether you can create reports and use Excel spreadsheets as data sources. The answer is Yes, Reporting Services supports a wide variety of data sources, including Excel files. You'll get the best performance with the built-in native .NET providers but you should be able to connect to any ODBC or OLE-DB data source, whether it comes from Microsoft or a third-party company.

Can we deploy SSRS reports on our personal website
Your reports can only be deployed on a reporting services site. Your only option for viewing them from other sites is an HTTP link. Some tools, like SharePoint offer controls allowing you to view reports in the  context of the other websites, but the report is still deployed to and hosted from reporting services.

Can we use datagrids for our report in SSRS
I've got an ASP.NET project that populates a datagrid. I'd like to use the datagrid as my datasource for my report using SQL Server Reporting Services. Is this possibleThe simple answer is no. However, nothing's ever simple. A set of reporting controls was added in Visual Studio 2010 allowing you to report in a dataset, on data that was supplied by you. So, if you retrieved your data into a dataset, bound the datagrid to the dataset so it had data to display, you could then use that dataset as the datasource for the reporting controls. These are then client-side reports, not server reports though.

What are the drawbacks of reporting in SSRS
For many years, Microsoft had no direct solution for reporting with the SQL Server besides Crystal Reports. Now, they have SQL Server Reporting Services, but it does have several drawbacks. It is still complex to understand the complete functionality and structure of this new component, and many users are still relying on the reporting application they are more familiar with, which is Crystal Reports. Also, components in SSRS like Report Builder and Report Designer are meant for different users for different aspects of the report process, yet complete understanding and exposure to both is important to utilize both functions fully and extensively. There are also issues when exporting very large reports to Microsoft Excel, as it can lead to a loss of data.

Will running SSRS on Windows XP limit the number of users
Yes, but not because of SSRS. The Internet Information Services (IIS) component of Windows XP only allows a small number of users to connect to the website at once. As SSRS runs via IIS, this would prevent more than a few people from using SSRS at once. Also, the only edition of SSRS that will install on Windows XP is the Developer Edition. This edition can not be used for production use. You need Standard or Enterprise Edition for production use, which requires a Server OS to install on (Windows 2003 Standard, Windows 2008 Standard, etc).

Are there issues when exporting SSRS reports into Microsoft Excel
When my users are trying to export a SSRS report into Microsoft Excel, one or two columns in the report appear to merge together. Why might this beExporting from SSRS is not always perfect, even if you stay within the Microsoft range of products. If you have extra resources, you could splurge for an add-on that offers much better control over exporting to Excel, such as OfficeWriter. From my experience, though, it is usually headers or footers that cause exporting issues. If any of these headers or footers overlap with data columns in your report, you will find that the exported version of the report has merged cells. Also, check columns next to each other to make sure that there is no overlap, as well.

How to send a SSRS report from SSIS
Often there is a requirement to be able to send a SSRS report in Excel, PDF or another format to different users from a SSIS package one it has finished performing a data load. In order to do this, first you need to create a subscription to the report. You can create a SSRS report subscription from Report Manager. At the report subscription you can mention the report format and the email address of the recipient. When you create a schedule for the SSRS report, a SQL Server Agent Job will be created. From the SSIS, by using sp_start_job and passing the relevant job name you can execute the SSRS report subscription.

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