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Microsoft 70-461

Querying Microsoft SQL Server 2012

Free Questions in OTE format

 
File Date Q&A Votes Size  
Microsoft.70-461.v2016-08-03.by.index.154q.ote 2016-08-03 154 10/10 4.20 Mb
Microsoft.70-461.v2016-04-01.by.Serg.201q.ote 2016-04-01 201 4/17 3.74 Mb
Microsoft.70-461.v2015-03-18.by.Wilfred.76q.ote 2015-03-18 76 0/6 1.12 Mb

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About Microsoft 70-461 dump

This exam measures your ability to accomplish the technical tasks listed below.
Create database objects (20–25%)

  • Create and alter tables using T-SQL syntax (simple statements)
    Create tables without using the built in tools; ALTER; DROP; ALTER COLUMN; CREATE
  • Create and alter views (simple statements)
    Create indexed views; create views without using the built in tools; CREATE, ALTER, DROP
  • Design views
    Ensure code non regression by keeping consistent signature for procedure, views and function (interfaces); security implications
  • Create and modify constraints (simple statements)
    Create constraints on tables; define constraints; unique constraints; default constraints; primary and foreign key constraints
  • Create and alter DML triggers
    Inserted and deleted tables; nested triggers; types of triggers; update functions; handle multiple rows in a session; performance implications of triggers

Work with data (25–30%)

  • Query data by using SELECT statements
    Use the ranking function to select top(X) rows for multiple categories in a single query; write and perform queries efficiently using the new (SQL 2005/8->) code items such as synonyms, and joins (except, intersect); implement logic which uses dynamic SQL and system metadata; write efficient, technically complex SQL queries, including all types of joins versus the use of derived tables; determine what code may or may not execute based on the tables provided; given a table with constraints, determine which statement set would load a table; use and understand different data access technologies; case versus isnull versus coalesce
  • Implement sub-queries
    Identify problematic elements in query plans; pivot and unpivot; apply operator; cte statement; with statement
  • Implement data types
    Use appropriate data; understand the uses and limitations of each data type; impact of GUID (newid, newsequentialid) on database performance, when to use what data type for columns
  • Implement aggregate queries
    New analytic functions; grouping sets; spatial aggregates; apply ranking functions
  • Query and manage XML data
    Understand XML datatypes and their schemas and interop w/, limitations and restrictions; implement XML schemas and handling of XML data; XML data: how to handle it in SQL Server and when and when not to use it, including XML namespaces; import and export XML; XML indexing

Modify data (20–25%)

  • Create and alter stored procedures (simple statements)
    Write a stored procedure to meet a given set of requirements; branching logic; create stored procedures and other programmatic objects; techniques for developing stored procedures; different types of storeproc result; create stored procedure for data access layer; program stored procedures, triggers, functions with T-SQL
  • Modify data by using INSERT, UPDATE, and DELETE statements
    Given a set of code with defaults, constraints, and triggers, determine the output of a set of DDL; know which SQL statements are best to solve common requirements; use output statement
  • Combine datasets
    Difference between UNION and UNION all; case versus isnull versus coalesce; modify data by using MERGE statements
  • Work with functions
    Understand deterministic, non-deterministic functions; scalar and table values; apply built-in scalar functions; create and alter user-defined functions (UDFs)

Troubleshoot and optimize (25–30%)

  • Optimize queries
    Understand statistics; read query plans; plan guides; DMVs; hints; statistics IO; dynamic vs. parameterized queries; describe the different join types (HASH, MERGE, LOOP) and describe the scenarios they would be used in
  • Manage transactions
    Mark a transaction; understand begin tran, commit, and rollback; implicit vs explicit transactions; isolation levels; scope and type of locks; trancount
  • Evaluate the use of row-based operations vs. set-based operations
    When to use cursors; impact of scalar UDFs; combine multiple DML operations
  • Implement error handling
    Implement try/catch/throw; use set based rather than row based logic; transaction management


This exam is intended for SQL Server database administrators, system engineers, and developers with two or more years of experience, who are seeking to validate their skills and knowledge in writing queries.
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