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Bring yourself up to speed with our introductory content.

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Bring yourself up to speed with our introductory content.

  • Special data types-Part 2

    This section continues discussion of special data types, including table and the cursor types and also traditional user-defined data types. Continue Reading

  • Cursor related statements

    This book excerpt illustrates cursor statements, including the open statement, fetch statement, @@fetch_status, close statement and the deallocate statement for T-SQL cursors. Continue Reading

  • Special data types-Part 1

    In book excerpt, special data types are defined, including: timestamp, uniqueidentifier, and cursor and xml data types, a major new feature in SQL Server 2005. User defined data types are also explained, which can be defined in Transact-SQL or .NET. Continue Reading

  • Transact SQL cursors

    T-SQL cursors are used to repeat custom processing for each row of the cursor. The following excerpt outlines how to process a cursor for Transact-SQL Server and gives an example. Continue Reading

  • Date, time and number data types in SQL Server

    In this book excerpt on basic T-SQL programming constructs, date and time, integer numbers, approximate numbers, exact numbers, monetary and binary data types are defined and examples given. Continue Reading

  • Unconditional and scheduled execution

    Unconditional execution (the GoTo Statement) in T-SQL forces the server to continue the execution from a label within a stored procedure or batch. Scheduled execution (the WaitFor Statement) allows the developer to schedule a time for the remaining ...Continue Reading

  • Character string data types

    There are four different character data types that store character strings: char, varchar, varchar(max), and text. There are also four character data types for storing unicode data: nchar, nvarchar, nvarchar(max) and ntext. This book excerpt on ...Continue Reading

  • Flow control statements

    T-SQL flow-control statements require skill and lack user friendliness, yet they allow for complex procedures. This book excerpt covers the use of comments. Comments can be included inside the source code of a batch or stored procedure. Comments ...Continue Reading

  • Database object qualifiers

    The name of a database object has four identifiers. These identifiers must comply with the rules for T-SQL identifiers. This is referred to as the object's fully qualified name. The following excerpt outlines the different schemas that can be ...Continue Reading

  • Blocks, looping and conditional flow control statements

    Statements blocks (Begin…End) can be used to group several statements to be executed together. Conditional execution (If statements) are used to change the flow of code based on the value of a condition. T-SQL contains only one statement that...Continue Reading

  • Local variables

    SQL Server 2005 recognizes only local and table variables. This book except outlines operations such as declaring variables, assigning values with the select, set, or update statement; and displaying values. Also find some workarounds for potential ...Continue Reading

  • Global variables

    Your SQL Server maintains values in global variables. They carry information specific to the server or user session and can be examined from anywhere and return one value. Get more on this and how global variables begin with the @@ prefix and do not...Continue Reading

  • T-SQL identifiers

    T-SQL Identifiers are used in all databases, servers and database objects in SQL Server. Identifiers are assigned to identify and object when it is created, but can be changed after. Rules and tips for creating identifiers are outlined in the ...Continue Reading

  • Table variables

    Table variables are similar to temporary tables and are declared using the table data type. This following book excerpt contains further explanations and examples for declaring table variables when working T-SQL programming constructs.Continue Reading

  • FAQ: SQL Server query errors and explanations

    Queries in SQL Server have many daunting components. To ease the pain of running a query we've compiled a dozen Frequently Asked Questions. Here, our experts address areas including how to fix code errors, speed up queries, show the query navigation...Continue Reading

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