performance tuning interview questions in oracle dba

... 4OCP: Oracle 9i Performance Tuning Study Guide, Joseph C Johnson, p 411-412 Chapter 8: Tuning Disk I/O OCP: Oracle 9i Performance Tuning Study Guide, Joseph C Johnson, p 487-489 Chapter 9: Tuning ... the monitoring of space used by an index B It provides information in the INDEX_HISTOGRAM view to indicate whether an index is invalid or valid C It provides information in the DBA_INDEXES view ... F LOG_CHECKPOINT_TIMEOUT=5120 Answer: D OCP: Oracle 9i Performance Tuning Study Guide, Joseph C Johnson, p 342-348 Chapter 7: Tuning Redo Mechanisms OCP: Oracle 9i Performance Tuning Study Guide,

Ngày tải lên: 07/04/2014, 15:49

... 9-910 Tuning SQL Statements Tuning SQL Statements Using SQL Tuning Advisor 10-1Tuning SQL Manually Using SQL Tuning Advisor 10-2Viewing Automatic SQL Tuning Results 10-4 Managing SQL Tuning ... Resolving Performance Degradation Over Time Managing Baselines 8-1Creating a Baseline 8-2Creating a Single Baseline 8-2Creating a Repeating Baseline 8-4Deleting a Baseline 8-5Computing Threshold ... 10-7Creating a SQL Tuning Set 10-7Creating a SQL Tuning Set: Options 10-8Creating a SQL Tuning Set: Load Method 10-9Creating a SQL Tuning Set: Filter Options 10-11Creating a SQL Tuning Set:

Ngày tải lên: 17/03/2014, 00:20

... Dynamite Into Your Interviews Interviewer Goals and Expectations 9 Interviewee Goals and Expectations Trang 4IV Nail the Job Interview! Interview Settings 28 Questioning Techniques 30 Interview ... Tough Interview Questions (Impact Publica- tions) Since the informational interview is a particular type of interview in which you become the interviewer, we only mention this type of interview in ... the interviewer and interviewee In reality, job seekers encounter many different types of interviews as well as multiple interviews with several individuals in a single organization Many interviewees

Ngày tải lên: 07/02/2013, 09:37

... by following this field The field is developed by the use of two windings in the stator It has got two windings, one of which is continously energized by the line voltage The other winding is ... on the principle of thermal expansion Where the bulb is immersed in a heated substance The liquid expands causing the pressure spring to unwind The indicating, recording or controlling mechanisms ... measureing instrument is that potentiameter is a voltage measuring instrument and wheatstone bridge is a current measuring instrument Explain the continous balance potentiometer system using R

Ngày tải lên: 07/02/2013, 09:37

... engine speed 1500 rpm and 20o BTDC injection timing 5.1 Cylinder pressure In a CI engine the cylinder pressure dependent on the fuel-burning rate during the premixed burning phase The high cylinder ... presented in Figures 8, 9 respectively, as the compression ratio increasing there is a decrease in the engine power due to an increase in the load and thermal stresses on the engine, which causes an increase ... heating value [MJ/kg] 42.5 41.18 36.22 Table 2 Specification of engine [7] Engine Make Kirloskar AV-1 Engine Type (4-Stroke, Diesel Engine) Number of Cylinder 1 Bore × stroke 87.5×110 mm Cylinder

Ngày tải lên: 05/09/2013, 16:11

... the matter of incrementally building the digits string Incrementally building strings like this is horribly inefficient; internally, the Python interpreter needs to create a new string each time ... you begin performance tuning The last thing you need is to introduce new bugs while fiddling with your algorithms With these caveats in place, let's look at some techniques for optimizing Python ... character into the corresponding digit, according to the matrix defined by string.maketrans timeit shows that soundex2c.py is significantly faster than defining a dictionary and looping through the input

Ngày tải lên: 28/10/2013, 16:15

...
Êœ]ÍV…iVŽÍLnk_aoo6L]caB]qhpo+oa_Í̜Ívˆ˜`͜ÕÌÍ܅ˆV…Í«ĂœViÊÊ͈ÊÍV>Õʈ˜}ÍiÝViÊʈÛiÍ paging in case of high L]cao+oa_°Í/…iÍLnk_aoo object is the system component that provides performance data for the processes running on the system, which are individually represented ... ̈“iÍ-+Í-iẶiĂÍÜ>ÊÍÊÌ>ĂÌi`͜ĂÍ̅iÍVœÕ˜ÌiĂÊÍÜiĂiÍĂiÊiÌ°Í`i˜Ìˆvވ˜}Í̅iÍÌÞ«iÊ͜vÍÜ>ˆÌÊÍ̅>ÌÍ>ĂiÍ occurring within your system is one of the easiest mechanisms to begin identifying the source œvÍޜÕĂÍLœÌ̏i˜iVŽÊ°Í9œÕÍV>˜ÍʜĂÌÍ̅iÍ`>Ì>͈˜ÍÛ>ȜÕÊÍÜ>ÞÊ]ÍLÕÌÍvœĂÍ̅iÍvˆĂÊÌÍiÝ>“«i]ͽÍœœŽÍ>ÌÍ ... i]toanraniaiknuÍ܈ÍLiÍ̅i͓>݈“Õ“Í«…ÞʈV>Í memory of the system, assuming a single instance on the machine You should not run other “i“œĂއˆ˜Ìi˜ÊˆÛiÍ>««ˆV>̈œ˜Ê͜˜Í̅iÍÊ>“iÍÊiẶiĂÍ>ÊÍ-+Í-iẶiĂ]ÍLÕÌ͈vÍޜÕ͓ÕÊÌ]ÍÍĂiVœ“-mend

Ngày tải lên: 17/12/2013, 02:15

... Creation 149 Online Index Creation 150 Considering the Database Engine Tuning Advisor 150 Summary 150 Trang 10CHAPTER 5 Database Engine Tuning Advisor 151Database Engine Tuning Advisor ... Avoiding Optimizer Hints 324 JOIN Hint 325 INDEX Hints 327 Using Domain and Referential Integrity 329 NOT NULL Constraint 329 Declarative Referential Integrity 332 Avoiding Resource-Intensive ... Lookups 165 Analyzing the Cause of a Bookmark Lookup 166 Resolving Bookmark Lookups 169 Using a Clustered Index 169 Using a Covering Index 169 Using an Index Join 173 Summary

Ngày tải lên: 17/12/2013, 02:15

... the strings func-in an array The second function (array) stores the strfunc-ings themselves func-in an array.The third function (concat) concatenates the three strings into a single string At ... have empty lines in it If you do, the utility will fail and complain: ./http_load: unknown protocol -Other Web Server Benchmark Utilities The following are also interesting benchmarking applications ... influ-enced by the code complexity, so when you are working on your code performance,you care only about the processing time When you are benchmarking the overallservice, you are interested in

Ngày tải lên: 26/01/2014, 07:20

... thống,  INSERT, DELETE, và UPDATE trên bảng SYS.INCVID, SYS.INCFIL, SYS.INCEXP  EXECUTE_CATALOG_ROLE và SELECT_CATALOG_ROLE. www.themegallery.com Trang 14HS_ADMIN_ROLETrang 15HS_ADMIN_ROLE ... dụng Oracle SQL để truy cập dữ liệu được lưu trữ trong hệ thống non-Oracle như là dữ liệu tổ chức trong một máy chủ Oracle * Sử dụng các thủ tục trong Oracle để truy cấp đến các hệ thống non-Oracle, ... đồng nhất là một thành phần tích hợp trong máy chủ Oracle (từ bản 8i), và cung cấp các công nghệ chung để truy cập hệ thống non-Oracle từ máy chủ Oracle www.themegallery.com Trang 18Herterogeneous

Ngày tải lên: 17/02/2014, 01:20

... nếu một file export bởi một dba thì chỉ có một dba khác mới có quyền import vào CSDL, hay nói các khác thì phải có quyền IMP_FULL_DATABASE để import từ file tạo bởi 1 dba Trang 15IMP_FULL_DATABASETrang ... Trang 1SYSTEM ROLE IN ORACLEDEMO Trang 2Nội dung demoTrang 3Chuẩn bị create user test0 identified by p123;  create

Ngày tải lên: 17/02/2014, 01:20

... of several Oracle databases (Oracle RAC, Oracle RAC One Node or Oracle single instance databases) into a single Oracle RAC database or multiple Oracle RAC databases where the hosting Oracle VM ... manage Oracle VM Servers7 Manages virtual machine lifecycle, including creating virtual machines from installation media or from a virtual machine template, deleting, powering off, uploading, deployment ... www.oracle.com/corporate/pricing/partitioning.pdf 9 Hard Partitioning with Oracle VM - Trang 9BUSINESS CONTINUITY, HIGH AVAILABILITY AND SCALABILITY Business continuity is a key element in today’s business and while Oracle

Ngày tải lên: 20/02/2014, 05:21

... nicotinamide-binding regions, respectively, in the active site of FNR. Table 2 Kinetic and binding parameters for various activities and interactions of ferredoxin-NADP(H)reductase Binding and kinetic ... two-domain flavoprotein The computer graphic is based on X-ray diffraction data for the spinach enzyme [23], with the FAD binding domain shown in blue, the NADP(H) binding domain in pink, and the FAD ... flavoprotein molecule is made up of two structural domains, each containing approximately 150 amino acids (Fig 1A) The carboxyl terminal region includes most of the residues involved in NADP(H) binding,

Ngày tải lên: 20/02/2014, 11:20

... questions are asked in multinational companies Trang 2ASP.Net Interview Questions From constructor to destructor (taking into consideration Dispose() and the concept of deterministic finalization), ... 1.Net Interview Questions Quick Reference and FAQ General questions specifically from IT and NET interviews point of view Best for Fresher and students who want to have a feel of what NET questions ... of the IIS It mainly consists of 3 Parts/Files  Inetinfo.exec  ISAPI Filer (Container for Internet Server Application Interface dlls),  Worker Process (aspnet_wp.exe) Inetinfo.exe is the

Ngày tải lên: 05/03/2014, 10:20

... Recovery Installation and Configuration Installing Oracle on Unix Installing Oracle on Windows NT Installing Oracle on VMS Creating a Parallel Oracle Database Network Management Confirming Network ... the installation procedure here 17 Insert the Oracle8i CD-ROM and run the installation procedure described in Oracle’s Installation and User’s Guide (including all preinstallation and postinstallation ... specializing in Oracle books Jim Lopatosky is an Information Technology Consultant for the Maine State Government’s Bureau of Information Services (Augusta, ME), specializing in Oracle database administration

Ngày tải lên: 06/03/2014, 20:20

... sustainability indices, and five (12%) incorporate regional sustainability indices For a complete list of indices used in the studies, we refer to Table 1 Major Index Major Sustainability Index Regional Index ... 5000 Equity Index Worldscope Table 1 Indices in SRI fund performance studies Major sustainability indices Dow Jones Sustainability Index STOXX FTSE4Good Global Dow Jones Sustainability Index World ... relevant in the decision making process of financial institutions in construct-ing and offerconstruct-ing SRI portfolios Financial portfolio theory and the classical theory of the firm suggest that including

Ngày tải lên: 07/03/2014, 16:20

... BUILTIN\Administrators Group in SQL Server? Trang 23Any Windows login in BUILTIN\Administrators group is by default a SQL Server system administrator This single group can be used to manage administrators ... Entity integrity 2) Domain integrity 3) Referential integrity 4) User-defined integrity Entity Integrity: Entity integrity defines a row as a unique entity for a particular table Entity integrity ... the integrity of a database Constraints define rules regarding permissible values allowed in columns and are the standard mechanism for enforcing integrity Using constraints is preferred to using

Ngày tải lên: 08/03/2014, 09:20

... the Toughest Interview Questions The “red lights” after many of the questions indicate answers that will make the average interviewer cringe and the busy interviewer simply ... Toughest Interview Questions “What Does This Company Do?” A key part of the interview process is preparation—researching the company, industry, and position; preparing pertinent questions; ... clothes on the day of the interview But if you can’t convince the interviewer,... the best employees 4 101 Great Answers to the Toughest Interview Questions So take some time

Ngày tải lên: 16/03/2014, 08:48

... specializing in the Oracle Database Administration Curriculum for Greenbrier & Russel, Inc. in Madison, Wisconsin. He has over 16 years of experience in the Information Technology industry ... database performance tuning and how to follow and implement Oracle s recom- mended tuning methodology. The second part covers the topics of network administration including configuring the necessary ... an Oracle network and helps you develop an understanding of the Oracle 8i Net8 architecture. Part One: OCP: Oracle8 i Performance Tuning Chapter 1 starts with an overview of the Oracle Tuning...

Ngày tải lên: 18/10/2013, 18:15

... Conventions 839 D Installing Oracle9 i Database 841 E Sources of Information 879 xxix Introduction Let’s begin by looking at what we need to examine in order to tune Oracle installations:  A tuning environment  ... 427 14 Tuning Oracle Database File Structures 429 15 Object Tuning 459 16 Low-Level Physical Tuning 475 17 Hardware Resource Usage Tuning 497 18 Tuning Network Usage 549 19 Oracle Partitioning and ... type of tuning. How Is This Book Organized? This book is broken into four parts: relational data model tuning in Part I, SQL code tuning in Part II, physical and configuration tuning in Part III, and...

Ngày tải lên: 24/01/2014, 04:20