- elsewhere and are suitable for advanced SQL Server developers—the kind of. - Programmability Team “The authors of this book are well-known in the SQL Server community for their in-depth architectural analysis and attention to technical detail. - //Name of the dealership. - //Owner of the dealership. - //Make of the car. - //Model of the car. - things simple, we’ll assume that they’re public.) The name of the dealership and owner are. - of the following: bool TransferFunds(. - implementation of the consumer. - In this object-oriented example, the bookstore “has” the books. - supertype with an additional attribute identifying the subtype of each instance.2 The following. - A recent trend is for software developers to “fix” the impedance problems that exist between. - the same in most cases: the developer “plugs” the ORM tool into an existing object-oriented. - a database should not require knowledge of internal information—the application should only. - out of the server. - And performance testing—the kind of testing. - In the case of the. - most of the time. - parts of the application. - 20 years.2 The key to dealing with large amounts of data in a timely manner is to reduce bottlenecks.. - Jim Gray, “The Personal Petabyte, the Enterprise Exabyte,” http://research.microsoft.com/~Gray/talks/. - GO Although SomeTable does not exist, the stored procedure is created—the T-SQL parses. - key word is “sometimes”: the error levels as generated by SQL Server are highly inconsistent. - user.”2 The majority of exceptions thrown by SQL Server are in this range, including con-. - documented as indicating that “the given object or entity does not exist.”3 However, error 208,. - ior of the exception. - The %i embedded in the error message is a format designator that means “integer.” The. - But the basic rule is, if you can “fix” the exception one way or another. - The first section, the try block, contains exception-prone code to be “tried.” The second. - case “rethrowing” the exception requires raising a user-defined exception and sending back. - It might be simple to temporarily “fix” the. - certificates, permissions are additive rather than impersonated—the additional permissions. - in the section “Asymmetric Key and Certificate Encryption,” the service master key is the key-. - In other words, you will not need to “unhash” the data. - All of the same aforementioned cautions. - GO If you want to encrypt data with a symmetric key, you must first open—or decrypt—the. - will replace the text of the event with “The text has been replaced with this comment for. - the application code carries a number of concerns, which are detailed in the section “The. - The result of the BuildMac(). - instead of the entire number. - Rumors of the death. - First of all, unit tests will not need to be rewritten—the same tests that. - In the case. - written for a given system—the engine would make sure they behave. - assembly is not enough—the entire stack is walked each time, without regard to assembly. - work while waiting for the response—the requested data—to come back. - that of the DataTable (but not as good as XML serialization with the TYPE directive). - 16—the data size of a GUID—and set up a readonly, static instance of the ThreadSafeDictionary. - some of the most. - that contains information about the query in a normalized form.1 The parse tree is further. - predicate were needed—the number of cases would jump from four to eight, meaning that. - of the stored procedure. - The IF block validates that exactly one table is selected (i.e., the. - A special subclass of the. - is good—the lock has been successfully acquired. - of the data by clients. - the time of the update. - come for free—the data must be transferred into TempDB. - of the database. - bothering—the BuildSpatialDatabase.bat script works, and runs fast enough (at least on my computer). - Here’s the CLR version of the code anyway,. - nique explained in the section “The Bounding Box” enables an index seek (and thus vastly. - point of the search (marked X in Figure 9-6). - Here’s the T-SQL code required to implement this two-step implementation:3 DECLARE. - And fortunately, the CLR version results in better performance as well.4 The preceding code takes on average 0.957 ms with the index, 2.3% faster than the T-SQL ver-. - sion of the function. - (in case it ever comes up in a trivia quiz—that’s the distance from Marshall to Martinsville). - This has a severe impact on performance—the time needed to find the nearest neigh-. - Once I set @MaxDist to 120—and waited over two minutes—the query finally. - To save you the hassle of flipping pages, here’s the definition of that index. - And that’s the key to the dynamic bounding box algorithm. - does exactly that (returning only the calculated distance, as that’s the only thing I’m interested. - So without further ado, here’s the code. - of an index on longitude or latitude—the latter is great in ensuring that locations that are near. - want to search: Place (P) or Station (S).6 The other parameters are all of data type FLOAT, and. - section “Representing Geospatial Data by Latitude and Longitude.” The 10-kilometer radius. - Here’s the new version of. - GO And here’s the adapted version of the Texas city list: SELECT. - Here’s the code: CREATE FUNCTION dbo.fHtmNearestLatLon2. - of the object. - month,” “yesterday,” “Labor Day,” and “the holiday season.” Although these are similar. - did we think happened on a certain (other) day?” The question might also be phrased. - first want to ask the question “What is the minimum date value in the table?” The following. - only the number of days was added back to the reference date—with no time portion—the. - Once the result of the. - of the month, and then use it to find “last Thursday.” The fourteenth has significance because. - this week?” To find the first and last days of “this week,” the following query can be used: SELECT. - “Friday of last week.” The following query is a first attempt at doing so: SELECT FridayLastWeek.*. - we have this month?” The following T-SQL answers that one: SELECT COUNT(*). - seasonal time periods, such as “early spring,” “mid summer,” or “the holiday season,” to help. - zone data out of the registry and puts it into a collection of TimeZoneInfo objects.6 The sample. - here for brevity—the method signature is the same, so only a single line of code in each. - people in the eastern United States, is “tomorrow.” The time portion will be truncated,. - every row of the table. - ManagerId is NULL, that employee is the root node in the tree (i.e., the head of the com-. - For an adjacency list, traversing “up” the hierarchy—in other words, finding any given node’s. - In the case of the Employee_Temp. - there is nothing to cascade—the row will be deleted, and no further logic is necessary. - all of the. - Increment the value obtained in the previous step by 1—that’s the new node’s left
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