SQL-Transact SQL (T-SQL)

Email Alerts

Register now to receive SearchSQLServer.com-related news, tips and more, delivered to your inbox.
By submitting you agree to receive email from TechTarget and its partners. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. Privacy

  • 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 s...  Tutorial

  • 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 T-SQL...  Tutorial

  • Problems and justified use of cursors

    The use of cursors in T-SQL should traditionally be avoided when possible, as they are a procedural feature and performace penalties tend to be a problem. However, this excerpt outlines situations in which cursors are acceptable, and even necessary.  Tutorial

  • 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 ...  Tutorial

  • 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 are...  Tutorial

  • 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 created...  Tutorial

  • 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 ...  Tutorial

  • 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 follo...  Tutorial

  • 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.  Tutorial

  • 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 p...  Tutorial