Understanding the different types of joins used by the optimizer will help developers and DBAs understand how the optimizer is routing their queries. Developers often create queries without knowing that it would only take a few tweaks to produce an execution plan that utilizes one optimizer join method over another. These small tweaks can have dramatic effects on the optimization of the query and the ultimate satisfaction of the query by the end-users.
In last month's article, Full Text Searching was introduced as a way to query strings with more refinement than the usual TSQL "like" or equal operator statements. With Full Text Searching, a new file system structure is created, storing key words from selected fields into Catalogs. In addition to storing typical character fields from databases, Microsoft Office documents that have been saved as binaries can also be entered into the Catalogs. Once created, these catalogs can be interrogated for key words that are near each other's proximity, the singular and plural versions of a word, or the noun and verb variations of a word can all be searched for. In addition, search result rankings, or weights, that usually accompany internet search engine returns can also be requested.
SQL Server 2005 or "Yukon" is going to be a major SQL Server update containing updates to nearly every facet of the program, including T-SQL. In this article I am going to explore some of the new T-SQL features, commands, and capabilities in SQL Server 2005. Because covering everything new in T-SQL would require an entire chapter in a book, I am going to cover some of the more useful and mainstream enhancements.
Ever been in the situation where you know that you used a function in a stored procedure and couldn't remember how to use it? SQL Server is a great database platform, but it's easy to lose track of all your code as an application grows. A new freeware utility is available to help you search your databases for code.
SQL Server is asked to do many tasks, including scheduling processes, transferring data using DTS in an ETL process, sending mail, updating other systems, generating reports and more. However this one might a bit unsual: using SQL Server and T-SQL to generate a bar code. Ivaca Masar brings us this unique look at how you can stretch the limits of T-SQL.
Full Text Searching is a free, optional component of MS SQL 2000. When installed, it offers a vast array of additional string querying abilities. Full Text Searching allows for string comparisons similar to internet search engines, returning both results and a matching score or weight. With regular TSQL, string matching is usually limited to an exact match, or a wildcard match with the keyword "LIKE." Full Text Searching exceeds this by searching for phrases, groups of words, words near one another, or different tenses of words, such as run, running, and ran. In addition, if Microsoft Office Word or Excel documents are saved in the database, their contents can be searched like a typical varchar field. Full Text Searching is accomplished by installing a new service (Microsoft Search), and using key words in TSQL designed specifically for text searching. This article will demonstrate installing, configuring and using the Full Text Search engine.
Three options for handling XML data in the Visual Studio 2005/SQL Server 2005 environment are discussed, including usage scenarios and guidelines to help you choose between them. (34 printed pages)
Table-based partitioning features in SQL Server 2005 provide flexibility and performance to simplify the creation and maintenance of partitioned tables. Trace the progression of capabilities from logically and manually partitioning tables to the latest partitioning features, and find out why, when, and how to design, implement, and maintain partitioned tables using SQL Server 2005. (41 printed pages)
In this article, we will be giving you an overview of what the new interface looks like in SQL Server 2005.
TRY-CATCH blocks in T-SQL allow error detection and reporting in a construct similar to that used in VB .NET, C#, and C++. The specific focus here is how TRY-CATCH blocks are used in stored procedures and where there might be some surprises.
By Ed Elliott
Running tSQLt unit tests is great from Visual Studio but my development workflow...
By James Serra
I remember a meeting where a client’s CEO leaned in and asked me, “So,...
By Brian Kelley
If you want to learn better, pause more in your learning to intentionally review.
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I run this code to create a table:
When I check the length, I get these results:
A table name is limited to 128 characters. How does this work?