datamatrix c# library Figure 2-23. Query Results when the results are to grids in Visual C#.NET

Creation Data Matrix 2d barcode in Visual C#.NET Figure 2-23. Query Results when the results are to grids

Figure 2-23. Query Results when the results are to grids
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SQL Server Results to Text
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The other results options, shown in Figure 2-24, affect how results are displayed when they are in text format. Output Format: This combo box presents you with five different formatting options: Column Aligned, Comma Delimited, Tab Delimited, Space Delimited, and Custom Delimiter. These different options allow you to set your output delimiter so that you can import your data into other systems. Include Column Headers in the Result Set: Uncheck this if you just wish the results. Again, this is ideal for when you are passing data on to other systems. Include the Query in the Result Set: The T-SQL used to run the query is placed prior to the results. Scroll As Results Are Received: As rows are returned, if they extend pass the end of the page, then the results are scrolled so that the last row of data is displayed. Right Align Numeric Values: Any numeric values are aligned to the right instead of the left. Discard Results After Query Executes: Once the query executes, any results displayed will be immediately discarded at the end, therefore leaving nothing to display.
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CHAPTER 2 SQL SERVER MANAGEMENT STUDIO
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Display Results in a Separate Tab: Instead of the results appearing below the query, they can instead be in their own tab, giving more space for a larger set of results to be displayed. Maximum Number of Characters Displayed in Each Column: This defines the maximum amount of data to be displayed in a single cell for results.
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Figure 2-24. Query Results when the results are to text That completes our look at the options that are of relevance to us. The next section discusses the Query Editor within the documents area of SSMS.
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As we progress through the book, the creation of objects, the manipulation of data, and the execution of code will be shown either by using the graphical interface and options that Object Explorer provides or by writing code using T-SQL. To write code, we need a free-form text editor so that we can type anything we need. Luckily, SSMS provides just such an editor as a tabbed screen within the document view on the right-hand side. This is known as a Query Editor, and it can be found when you click New Query of the main toolbar or by selecting File New Database Engine Query. We discussed some of the options that affect the Query Editor, such as how text is entered and how results from running the T-SQL code are displayed, in the preceding section. There is not a great deal to say about the editor itself, as it really is a free-form method of entering commands and statements for SQL Server to execute. However, the Query Editor has a toolbar that is worth covering at this point in time. Figure 2-25 shows this Query Editor toolbar.
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Figure 2-25. Query Editor toolbar
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The first three buttons, as shown in the following image, work with connections to the server. The first button requests a connection to the server if one doesn t currently exist, the second disconnects the current server connection, and the third allows you to change the connection you are using.
The next item is a combo box that lists all the databases in the server you are currently connected to. If you wish a query to run against a different database, you can select it here. The database the code will execute against, providing you have permissions, is the database that is displayed.
The next buttons are concerned with executing the code entered in the Query Editor. The red exclamation mark and the Execute button execute the code. The green tick will parse the code, but will not actually run it. Parsing the code will not find every error that could occur but will ensure that the syntax is correct. The last option is a grayed-out button that turns red when code is executing. If you would like to send a cancel command to SQL Server, then press this button. This may not always instantly cancel the query, depending on what is executing and whether your server is local or remote. There will be a delay in sending the command and SQL Server pausing to receive the command.
The next two buttons help you analyze the T-SQL query for optimization. We won t look at this subject within this book.
Rather than typing T-SQL code by hand, we can use a type of wizard that allows a query to be built up by selecting tables and columns via check boxes, and so on. Pressing the button shown in the following image brings up this wizard, known as the Query Design Editor, which you will see in action in 9.
The following button allows you to work with code templates. Templates feature the basics of commands or actions. They have options that act as default values. Pressing this button brings up a dialog box to change the values in each of a template s parameters.
The next set of buttons deals with the query. The first two place details on how your code was executed and statistics about the code within the output. The third button runs your code as a command prompt as if it were run by SQLCMD, which is a command-line utility for executing SQL batches. These options are not covered within this book.
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