70-461:Certification from Microsoft, Querying Microsoft SQL Server 2012

Who Can Obtain This Examination?

This examination is planned for 70-461 PDF Guides SQL Server Database Administrators, system developers and engineers with least two or more years of familiarity who desire to authenticate their abilities and sills in writing queries.

Topics Covered In The Examination:

The 70-461 Examination Gauges the capability of candidates to achieve the technical tasks for Querying Microsoft SQL Server 2012. The percentages assign the relative weight of each key subject part on the test. The higher the ratio, the extra questions are likely to see on that content part on the examination.

Generate Database Objects (24 percent)

Generate and modify tables by use of T-SQL syntax (simple statements): GENERATE; MODIFY COLUMN; DROP; MODIFY and generate tables without utilizing the built in tools.

Generate and modify views (simple statements): GENERATE, MODIFY and DROP; generate views without utilizing the built in tools and generate indexed views.

Design views: Security implications and ensure code non regression by keeping consistent signature for views, procedure and function (interfaces).

Generate and modify constraints (simple statements): primary and foreign key constraints; default constraints; unique constraints; describe constraints and generate constraints on tables.

Generate and modify DML triggers: performance implications of triggers; handle multiple rows in a session; update functions; types of triggers; nested triggers and inserted and deleted tables.

Alter Data (24 percent)

Create and alter stored procedures (simple statements): Applications stored triggers, procedures, functions with T-SQL; generate stored process for data access layer; various kinds of store proc result; methods for developing stored processes; generate stored processes and other programmatic objects; branching logic and write a stored process to meet a given set of necessities.

Alter data by use of INSERT, UPDATE and DELETE reports: Utilize output statement; Get to know which SQL records are best to resolve common necessities and given a set of code with defaults, triggers and constraints, decide the output of a set of DDL.

Combine datasets: Alter data by using MERGE reports; case versus is null versus coalesce; dissimilarity between UNION and UNION all.

Work with functions: Generate and modify user-defined functions (UDFs); apply built-in scalar functions; scalar and table values; non-deterministic functions and get to know deterministic.

Work with Data (27 percent)

Query data by use of SELECT statements

Execute sub-queries

Execute data kinds

Execute aggregate queries

Query and handle XML data

Optimize And Troubleshooting (25 percent)

Optimize queries

Handle transactions

Examine the utilization set-based operations vs of row-based operations

Execute error managing

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