Transact SQL WikipediaTSQL redirects here. For the proposed temporal extension of SQL, see TSQL2. It has always seemed strange to Phil that SQL Server has such complete support for XML, yet is completely devoid of any support for JSON. In the end, he was forced. I have a stored procedure which is encrypted using the WITH ENCRYPTION option. Now I want to decrypt that procedure. I have already tried a stored procedure called. OgQTEuDbus/hqdefault.jpg' alt='Sql Server 2000 Stored Procedure Programming Language' title='Sql Server 2000 Stored Procedure Programming Language' />Transact SQL T SQL is Microsofts and Sybases proprietary extension to the SQL Structured Query Language used to interact with relational databases. T SQL expands on the SQL standard to include procedural programming, local variables, various support functions for string processing, date processing, mathematics, etc. DELETE and UPDATE statements. Transact SQL is central to using Microsoft SQL Server. All applications that communicate with an instance of SQL Server do so by sending Transact SQL statements to the server, regardless of the user interface of the application. VariableseditTransact SQL provides the following statements to declare and set local variables DECLARE, SET and SELECT. DECLAREvar. 1NVARCHAR3. SETvar. 1Some NameSELECTvar. Name. FROMSales. Store. WHERECustomer. ID1. Flow controleditKeywords for flow control in Transact SQL include BEGIN and END, BREAK, CONTINUE, GOTO, IF and ELSE, RETURN, WAITFOR, and WHILE. IF and ELSE allow conditional execution. This batch statement will print It is the weekend if the current date is a weekend day, or It is a weekday if the current date is a weekday. It is an interesting problem in Transact SQL, for which there are a number of solutions and considerable debate. How do you go about producing a summary result in. THIS TOPIC APPLIES TO SQL Server Azure SQL Database Azure SQL Data Warehouse Parallel Data Warehouse SQL Server is a central part of the Microsoft data platform. SQL. Error Handling in SQL 2000 a Background. An SQL text by Erland Sommarskog, SQL Server MVP. Last revision 20091129. This is one of two articles about error. Sql Server 2000 Stored Procedure Programming Language' title='Sql Server 2000 Stored Procedure Programming Language' />What is a Stored Procedure A stored procedure is a group of one or more database statements stored in the databases data dictionary and called from either a. Looks like somebody has logged in and modified a Stored Procedure on our SQL Server database. Is there a way to find out the credentials of the person that has done that Learn SQL Server basics in this tutorial for beginners new to SQL Server and DBAs who want a refresher. Get SQL Server help on the basic topics and features. TransactSQL TSQL is Microsofts and Sybases proprietary extension to the SQL Structured Query Language used to interact with relational databases. Note This code assumes that Sunday is configured as the first day of the week in the DATEFIRST setting. IFDATEPARTdw,GETDATE7. ORDATEPARTdw,GETDATE1. PRINTIt is the weekend. ELSEPRINTIt is a weekday. BEGIN and END mark a block of statements. If more than one statement is to be controlled by the conditional in the example above, we can use BEGIN and END like this IFDATEPARTdw,GETDATE7. ORDATEPARTdw,GETDATE1. BEGINPRINTIt is the weekend. PRINTGet some rest on the weekendENDELSEBEGINPRINTIt is a weekday. PRINTGet to work on a weekdayENDWAITFOR will wait for a given amount of time, or until a particular time of day. The statement can be used for delays or to block execution until the set time. RETURN is used to immediately return from a stored procedure or function. BREAK ends the enclosing WHILE loop, while CONTINUE causes the next iteration of the loop to execute. An example of a WHILE loop is given below. DECLAREi. INTSETi0. WHILEilt 5. BEGINPRINTHello world. SETii1. ENDChanges to DELETE and UPDATE statementseditIn Transact SQL, both the DELETE and UPDATE statements allow a FROM clause to be added, which allows joins to be included. This example deletes all users who have been flagged with the Idle flag. DELETEu. FROMusers. ASu. INNERJOINuserflags. ASf. ONu. idf. id. WHEREf. nameidleBULK INSERTeditBULK is a Transact SQL statement that implements a bulk data loading process, inserting multiple rows into a table, reading data from an external sequential file. Use of BULK INSERT results in better performance than processes that issue individual INSERT statements for each row to be added. Additional details are available in MSDN. TRY CATCHeditBeginning with SQL Server 2. Microsoft introduced additional TRY CATCH logic to support exception type behaviour. This behaviour enables developers to simplify their code and leave out ERROR checking after each SQL execution statement. BEGINTRANBEGINTRY execute each statement. INSERTINTOMYTABLENAMEVALUESABCINSERTINTOMYTABLENAMEVALUES1. COMMITTRANENDTRYBEGINCATCH roll back the transaction because of error. ROLLBACKTRANENDCATCHSee alsoeditReferenceseditExternal linksedit. Learn SQL Server basics from A ZAs SQL Server continues to evolve, newbies and sometimes even the most knowledgeable DBAs could use a little help. By submitting your personal information, you agree that Tech. Target and its partners may contact you regarding relevant content, products and special offers. You also agree that your personal information may be transferred and processed in the United States, and that you have read and agree to the Terms of Use and the Privacy Policy. Whether you want to learn SQL Server basics or simply get a refresher, weve got what youre looking for. Weve compiled a tutorial for SQL Server beginners on topics from security to performance. This reference provides the SQL Server basic help you need in areas such as how to configure tempdb, use SQL Profiler, grant permissions, understand temporary tables vs. Differences between varchar and nvarchar in SQL Server. The broad range of data types in SQL Server can sometimes throw people through a loop, especially when data types like varchar and nvarchar seem to be highly interchangeable. Learn how these two data types are stored differently, how to mix and match them and what changes were made to varchar and nvarchar in SQL Serve 2. Clustered and non clustered indexes in SQL Server. Rules for using a clustered index vs. SQL Server are tough to decipher. Discover the fundamentals to consider when making your choice, along with an overview of tradeoffs and proper index implementation. Temporary tables in SQL Server vs. Once youve written your T SQL code, its time to execute it. If you are going to use a table to store data temporarily, find out about your options while learning the pros and cons of using temporary tables vs. SQL Server. Stored procedures vs. Sometimes, the debate between using stored procedures and functions is irrelevant, as both can often accomplish the same tasks. However, there is a fundamental difference between the two stored procedures are designed to return their output to the application. Stored procedures vs. SQL When should you use each Stored procedures and dynamic SQL each have their place in SQL Server. You must consider the parameters used, the tables being queried, the number of databases and so forth. There is often a definitive answer when deciding to use either stored procedures or dynamic SQL. Update SQL Server table statistics for performance kick. There is plenty to learn about using auto and manual update commands and avoiding false statistics two of many techniques that will fine tune SQL Server statistics and boost performance. Configuring SQL Server memory settings. Configuring SQL Server memory settings is crucial. Find out configuration recommendations for optimal RAM amounts, how to enable AWE, the best number of gigabytes for maximum server memory and the differences between 3. Tricks to increase SQL Server query performance. Discover several tricks to increase SQL Server query performance, such as avoiding system table locking by knowing when to use the CREATE TABLE vs. SELECT INTO command. Youll also find a stored procedure method that improves query response time, as opposed to linked server queries that can unexpectedly slow down system performance. Configure SQL Server 2. Processing once reserved for the SQL Server 2. SQL Server 2. 00. SQL Server 2. 00. SQL Server tempdb best practices increase performance. Making a few adjustments to the database settings can quickly and efficiently increase the performance of your SQL Server tempdb. How To Install Flash Player On Firefox Ubuntu Flash. Discover some best practices for tempdb, including physical file settings, storage array configurations, statistics update options and how to index temporary tables. SQL Profiler Features and setup in SQL Server 2. SQL Profiler can be considered the best native SQL Server resource because, for one thing, it understands micro level processing on any SQL Server. Get an introduction to SQL Profilerand its features and setup processes. SQL Server Perf. Mon. This screencast series offers tips on how to use SQL Server Perf. Mon counters to track Windows memory, disk IO and the buffer manager. Find out the maximum numbers to watch for when using SQL Server Performance Monitor in your system. Tricks for using the SQL Server Index Tuning Wizard. Gathering tricks for using the SQL Server Index Tuning Wizard can improve overall performance in SQL Server. Figuring out how to optimize the Tuning Wizard in conjunction with SQL Profiler will be a big help in your server environment. SQL Server 2. 00. Query Analyzer 1. Even though Microsoft excluded this tool from SQL Server 2. SQL Server statements, as well as to your job performance as a DBA or developer, by simply using these tricks for simple querying in SQL Server 2. Query Analyzer. SQL Server Management Studio client tool enhancements. Although using Query Analyzer or Enterprise Manager can be reassuring to a long time DBA, many upgrades point towards it being time to step out of your comfort zone and learn about the features and enhancements in SQL Server Management Studio. Tracking query execution with SQL Server 2. Profiler. When you are capturing and analyzing data about single transactions on your SQL Server, the best native tool is SQL Server Profiler. Discover how to analyze your Profiler results in SQL Server 2. Selecting a SQL Server recovery model. Your SQL Server offers three recovery models for each database full recovery, simple recovery and bulk logged recovery. These determine how much data loss is acceptable in case of a failure, along with what types of backup and restore functions are allowed. Find out which option will suit you best when you are attempting to select a SQL Server recovery model. Tips for scheduling and testing SQL Server backups. These tips for scheduling and testing SQL Server backups will help guide you on the path to a successful restore. Also, find out how to schedule backups in SQL Server via the SQL Server Agent and in SQL Server Express using Windows Task Scheduler. Best practices for SQL Server backup maintenance. Removing backup history from the msdb database and reducing its size are just two of many best practices for improving SQL Server performance with backup maintenance. Restore basics How to restore using T SQL commands. SQL Server Enterprise Manager may be a quick and easy way to run backups and restores, but T SQL commands offer much greater flexibility. Find out how to script your SQL Server backups or restores with T SQL. Restoring a database from another SQL Server. Restoring a database from another SQL Server can be relatively simple, but other aspects, such as matching up the logins and users again, are not. Granting permissions in SQL Server 2. New security features in SQL Server 2. SQL Server permissions on a more granular basis. Get an an overview of user schema separation and granular server permissions, as well as a new function to help you identify which permissions are available to particular users. Working with schemas in SQL Server 2. If youre managing too many databases with too many objects, find out how schemas in SQL Server 2. Secure SQL Server from SQL injection attacks. Any Web application using dynamic SQL is at risk for a SQL injection attack, one of the most common security risks for Internet facing SQL Server databases. With that in mind, learn how to secure your SQL Server from SQL injection attacks. SQL Server password management Six risky assumptions.