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QUESTION 36
Drag and Drop Question
You are evaluating the performance of a database environment. You must avoid unnecessary locks and ensure that lost updates do not occur. You need to choose the transaction iSQLation level for each data scenario. Which iSQLation level should you use for each scenario? To answer, drag the appropriate iSQLation levels to the correct scenarios. Each iSQLation may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Answer:
QUESTION 37
Drag and Drop Question
You have two database tables. Table1 is a partioned table and Table 2 is a nonpartioned table. Users report that queries take a long time to complete. You monitor queries by using Microsoft SQL Server Profiler. You observe lock escalation for Tableland Table 2. You need to allow escalation of Table1 locks to the partition level and prevent all lock escalation for Table2. Which Transact-SQL statement should you run for each table? To answer, drag the appropriate Transact-SQL statements to the correct tables. Each command may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.
Answer:
QUESTION 38
Drag and Drop Question
You have a database that contains three encrypted store procedures named dbo.Procl, dbo.Proc2 and dbo.Proc3. The stored procedures include INSERT, UPDATE, DELETE and BACKUP DATABASE statements. You have the following requirements:
– You must run all the stored procedures within the same transaction.
– You must automatically start a transaction when stored procedures include DML statements.
– You must not automatically start a transaction when stored procedures include DDL statements.
You need to run all three stored procedures. Which four Transact-SQL segments should you use to develop the SQLution? To answer, move the appropriate Transact-SQL segments to the answer area and arrange then in the correct order.
Answer:
QUESTION 39
Hotspot Question
You are profiling a frequently used database table named UserEvents. The READ_COMMITED_SNAPSHOT database option is set to OFF. In the trace results, you observe that lock escalation occurred for one stored procedure even though the number of locks in the database did not exceed memory or configuration thresholds. Events details are provided in the following table.
You need to modify the uspDeleteEvents stored procedure to avoid lock escalation. How should you modify the stored procedure? To answer, select the appropriate Transact-SQL segments in the answer area.
Answer:
QUESTION 40
You have a database that is experiencing deadlock issues when users run queries. You need to ensure that all deadlocks are recorded in XML format. What should you do?
A. Create a Microsoft SQL Server Integration Services package that uses sys.dm_tran_locks.
B. Enable trace flag 1224 by using the Database Cpmsistency Checker(BDCC).
C. Enable trace flag 1222 in the startup options for Microsoft SQL Server.
D. Use the Microsoft SQL Server Profiler Lock: Deadlock event class.
Answer: C
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