This page intentionally left blank GlossaryAACID Atomicity, Consistency, Isolation, and Durability. Four characteristics that a relational database must be able to maintain for transactions.ADDM Automatic Database Diagnostic Monitor. A tool that generates performance tuning reports based on s[r]
ptg1186 CHAPTER 34 Data Structures, Indexes, and Performance. Columns often searched for within a range of values (for example, WHERE price between $10 and $20)—A clustered index can be used to locate the first qualifying row in the range of values. Because the rows in the table[r]
EMPTY_BLOCKS The number of data blocks allocated to the table that have never been used.aAVG_SPACE The average amount of free space in all blocks allocated to this table. This value is in bytes.CHAIN_CNT The number of rows in the table that have had to
ptg1224NOTEThis estimate assumes that the data rows have not been forwarded. In a heap table, when a row has been forwarded, the original row location contains a pointer to the new location of the data row; therefore, an additional page read is required to retrieve the ac[r]
SQL*Plus is essentially an interactive query tool, with some scripting capabilities. It is a non-GUI, character-based tool that has been around since the dawn of the Oracle age. Using SQL*Plus, you can enter an SQL statement, such as a SELECT query, and view the results. You can also execute Data[r]
ability of the model were explored. These included addingthe ETT and CCS variables back into the final model,even though they did not enter the model under the pre-specified criterion. These two variables were tried in thefinal model as their lack of importance in the mappingmodel was somewhat surpr[r]
Chapter 2 - Microsoft Project DemystifiedIntroductionThe Building Blocks: Tasks, Resources, and AssignmentsTasksResourcesAssignmentsWhere Does Your Data Go? The Flow of Information Within Microsoft ProjectData Central: The Microsoft Project DatabaseView the Right Set of Project Informa[r]
This study aimed at finding out the various factors causing stress, their coping strategies to overcome the stress. Data’s were collected from 185 respondents on the basis of convenient sampling technique.
greatly improve the ability to separate the infants withdevelopmental delay from typically developing infants.However, there is still significant overlap of even the bestentropy measures, which could result in false positives orfalse negatives if used in a clinical setting. Furtherimprovement[r]
SQL Server Installation Center, 3–4unattended, 67on Windows Server 2008, 99instance IDs, 73, 86instances. See also default instancedefinition of, 86limitations of, 88–89and port, 88shortcut to. See aliasesIntegration Services, 33, 39–40internal fragmentation, 264Internet Information Services ([r]
242 Chapter6•ManagingHighAvailabilitythan five, and you are averaging 80 operations per second. When you look at the Avg Disk Sec/Read you see you are averaging 0.8 seconds with a max of 7 seconds. What is the most likely cause of this kind of performance problem?A. The server is not sending t[r]
place zeros in its place, maintaining the sequential continuity of the data.Howlett_CH11.fm Page 367 Friday, June 25, 2004 12:33 AM368 Chapter 11 • Forensic ToolsYou will probably want to mount a new device to capture this file. It should preferablybe brand new media so as not <[r]
Learning ObjectivesAfter studying this chapter, you shouldbe able to:Estimate and interpret uncollectibleaccounts and receivable balances.Assess the level of accounts receivable.Develop and explain internal controlprocedures.Recognition of RevenueThe timing of revenue recognition iscritic[r]
2392 ✦ Chapter 34: The X12 ProcedureOutput 34.10.2 Using Regressors in the AUXDATA= Data for the Second Three Years of SeriesAlign lengthofmonth Regressor from Auxreg to Second Three YearsThe X12 ProcedureRegression Model Parameter EstimatesFor Variable salesStandardType Parameter NoEs[r]
Sweden. These efforts were not very successful, however, mainly due to poorcollaboration by the physicians. Similar surveys were conducted in the UnitedStates of America.The first population-based cancer registry was set up in Hamburg(Germany) in 1926. Three nurses visited hospitals and medic[r]
scan of the index is probably more efficientthan a full-table scan. This allows you to avoidcreating more indexes to support possiblesearches based on the secondary columns ofthe indexes.If the index is not part of the query plan, statistics for the index (and thet[r]