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Topic: Delete (SQL)

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	SQL Introduction
		SQL is a standard computer language for accessing and manipulating databases.
		SQL statements are used to retrieve and update data in a database.
		SQL (Structured Query Language) is a syntax for executing queries.
	www.w3schools.com /sql/sql_intro.asp (522 words)

	SQL - Wikipedia, the free encyclopedia
		SQL was adopted as a standard by the ANSI (American National Standards Institute) in 1986 and ISO (International Organization for Standardization) in 1987.
		One joke about SQL is that "SQL is neither structured, nor is it limited to queries, nor is it a language." This is founded on the notion that pure SQL is not a classic programming language since it is not Turing-complete.
		However, it also makes it possible for SQL source code to be produced (and optimized) by software, leading to the development of a number of natural language database query languages, as well as 'drag and drop' database programming packages with 'object oriented' interfaces.
	en.wikipedia.org /wiki/Sql (2210 words)

	SQL Help and Tutorial (Site not responding. Last check: )
		SQL is generic to most true relational database management systems (RDBMS's) and is an ANSI standard.
		I have tried to keep the SQL examples as generic as possible and much of this information applies to any SQL RDBMS but some of this information is for an Oracle environment.
		SQL is the language used to access the data and structures within a relational database.
	www.ilook.fsnet.co.uk /ora_sql/sqlmain.htm#RIGHTS (775 words)

	SQL Tutorial - Learn SQL
		SQL is short for Structured Query Language and is a widely used database language, providing means of data manipulation (store, retrieve, update, delete) and database creation.
		The SQL COUNT aggregate function is used to count the number of rows in a database table.
		The SQL HAVING clause is used to restrict conditionally the output of a SQL statement, by a SQL aggregate function used in your SELECT list of columns.
	www.sql-tutorial.net (556 words)

	SQL Reference (Site not responding. Last check: )
		A before delete trigger defined on a table involved in a cycle of cascaded referential constraints should not include references to the table on which it is defined or any other table modified by cascading during the evaluation of the cycle of referential integrity constraints.
		If an SQL statement activates multiple triggers, the triggers will be executed in their creation order, even if they are attached to different tables in the typed table hierarchy.
		Row triggers: When an SQL statement is used to INSERT, UPDATE, or DELETE a table row, it activates row-triggers attached to the most specific table containing the row, and all supertables of that table.
	www.seas.ucla.edu /db2/db2s0/sqls0623.htm (3164 words)

	DELETE (Transact-SQL Reference (SQL Server)) (Site not responding. Last check: )
		DELETE may be used in the body of a user-defined function if the object modified is a table variable.
		If the DELETE removes multiple rows, and any one of the removed rows violates a trigger or constraint, the statement is canceled, an error is returned, and no rows are removed.
		DELETE permissions default to members of the sysadmin fixed server role, the db_owner and db_datawriter fixed database roles, and the table owner.
	msdn.microsoft.com /library/en-us/tsqlref/ts_de-dz_9lut.asp (1967 words)

	SQL Commands - SQL Commands Reference
		SQL Commands is a website demonstrating how to use the most frequently used SQL clauses.
		SQL Commands is not a comprehensive SQL Tutorial, but a simple guide to SQL clauses available online for free.
		Each of the SQL commands articles is ilustrated with practical examples, designed to help you learn the SQL commands syntax.
	www.sqlcommands.net (83 words)

	[No title]
		In SQL language, an instance A1 of is said to immediately con- tain an instance B1 of if immediately contains and the text of B1 is part of the text of A1.
		In the Leveling Rules, the term shall defines conditions that are required to be true of SQL language for it to syntactically conform to the specified level of conformance.
		In SQL language, 38 Database Language SQL X3H2-92-154/DBL CBR-002 4.9 Tables the name and the scope of the name of a global temporary table or a created local temporary table are indistinguishable from those of a persistent base table.
	www.contrib.andrew.cmu.edu /~shadow/sql/sql1992.txt (11568 words)

	Delete-SQL (Site not responding. Last check: )
		This is the "other DELETE." Like the Xbase DELETE, it lets you mark one or more records in a table for deletion.
		Delete records from a free table or the named table in the current database.
		Unlike the Xbase DELETE, the default for DELETE-SQL is to delete all records in the table.
	www.dfpug.de /buecher/fundamentals/Hack6/s4g352.htm (288 words)

	Slow DELETE or UPDATE against non-SQL linked server
		For linked server DELETEs or UPDATEs, SQL Server retrieves data from the table, performs any filtering that is necessary, and then performs the deletes or updates through the OLEDB rowset.
		SQL Server 2000 adds the ability to send a DELETE or UPDATE to a linked server as a single SQL statement; however, this feature only covers linked servers to another SQL Server 2000 or SQL Server 7.0 instance.
		A plan that is taking advantage of this feature shows a Remote Query operator that sends a single DELETE SQL statement to the remote server instead of the Remote Delete operator seen previously.
	support.microsoft.com /default.aspx?scid=kb;en-us;309182 (673 words)

	Linux SQL Databases and Tools
		SQLite Embeddable SQL Database Engine is a C library that implements an entire SQL server.
		The InterBase SQL server from InterBase Corp. is the well-known InterBase database released under an open source (MPL) license.
		Mimer SQL is unique in that it focuses on providing a small-footprint database suitable for embedding into applications.
	linas.org /linux/db.html (2007 words)

	prguide.htm
		The behavior of the driver and data source when asked to process SQL statements that are not read-only during a read-only connection is implementation defined.
		Important Some data sources delete the access plans and close the cursors for all hstmts on an hdbc each time a statement is committed; autocommit mode can cause this to happen after each statement is executed.
		For example, in SQL Server, the qualifier is a database, so the driver sends a USE database statement to the data source, where database is the database specified in vParam.
	db.cs.helsinki.fi /solid/progref/prguid23.htm (6551 words)

	DELETE (SQL Server CE Books Online)
		If a search condition is specified, it is applied to each row of the table; and all rows for which the result of the search condition is TRUE are marked for deletion.
		All rows that are marked for deletion are deleted at the end of the DELETE statement prior to the checking of any integrity constraint.
		If the DELETE removes multiple rows and any one of the removed rows violates a constraint, the statement is canceled, an error is returned, and no rows are removed.
	msdn.microsoft.com /library/en-us/sqlce/htm/_lce_delete.asp?frame=true (298 words)

	FIX: Service pack installation may save standard security password in file
		If you use SQL Server Authentication, also known as Standard Security, to install the products listed in the "Applies to" section, the system administrator (sa) password may be stored in clear text, or in an encrypted readable format in the SQL Server Setup files.
		Also, if you configure SQL Server Services by using a domain account, the domain account password may be written to the Setup.iss file in a weakly encrypted format.
		SQL Server 2000 also includes the ability to natively install on a Windows Clustered server.
	support.microsoft.com /default.aspx?scid=KB;en-us;263968& (1839 words)

	Dev Articles
		Triggers allow us to execute a batch of SQL code when either an insert, update or delete command is executed against a specific table.
		A trigger is an object contained within an SQL Server database that is used to execute a batch of SQL code whenever a specific event occurs.
		The "Deleted" table would contain all of the fields and values for the row(s) before they were updated, and the "Updated" table would contain the new row(s) with the updated fields and values.
	www.devarticles.com /index2.php?option=content&task=view&id=36&pop=1&page=0&hide_js=1 (1844 words)

	Oracle FAQ: SQL
		Structured Query Language (SQL) is a language that provides an interface to relational database systems.
		SQL was developed by IBM in the 1970s for use in System R, and is a de facto standard, as well as an ISO and ANSI standard.
		DELETE - deletes all records from a table, the space for the records remain
	www.orafaq.com /faqsql.htm (2479 words)

	SQL VB ASP Code Generator
		SQL VB Code Generator allows you to create queries at blazing speeds, execute them, and then page back and forth quickly between queries so you can quickly analyze the data.
		SQL VB ASP Code Generator is layed out to show from left to right list boxes with your databases, tables, and fields, and then SQL commands and operators, etc.
		When you have the SQL query debugged, simply click on the "Copy SQL to VB" button and it will convert it back to VB and copy it to the clipboard, ready for pasting into the VB program you are working on.
	www.newrad.com /software/sqlvbcodegenerator (3783 words)

	Xtreme Visual Basic Talk - Delete SQL statement with Access 2000 and VB6
		However, the record in db is NOT deleted.
		When I enter the id of one of the image categories and click the load button, the set of images will be loaded from Access db according to their path in their local directory.
		Surely, your SQL statement knows which picture to be deleted.
	www.visualbasicforum.com /t17885.html (427 words)

	Delete SQL Package (DLTSQLPKG) command
		Specifies the generic name of the SQL package to be deleted.
		If a generic name is specified, all SQL packages with names that begin with the generic name, and for which the user has authority, are deleted.
		If the remote system is not an AS/400 system, pass through to that system using a remote work station program and then submit the delete SQL package command local to that system.
	www.redbooks.ibm.com /pubs/html/as400/v4r5/ic2924/info/db2/rbal1mst181.htm (431 words)

	MySQL 5.0 Reference Manual :: 13.2.1 DELETE Syntax
		is not useful when deleted values lead to underfilled index blocks spanning a range of index values for which new inserts occur again.
		Cross-database deletes are supported for multiple-table deletes, but in this case, you must refer to the tables without using aliases.
		If I do it with one delete statement, it takes a couple of minutes, and locks the table in the meantime, which is a big problem.
	dev.mysql.com /doc/refman/5.0/en/delete.html (2584 words)

	SQL DELETE Statement
		Rows may be deleted from one table based on values in other tables.
		is a quoted literal, a character or an alphabetic field, a function, or a concatenation of any of the preceding that evaluates to a string that sets the search condition for the rows that are to be deleted.
		Notes: Oracle does not allow rows of a set established with the ORDER BY clause of the SQL SELECT statement or by joining two or more tables to be deleted.
	www.nis.com /oracle/sql_delete.html (304 words)

	Raymond Lewallen : The difference in TRUNCATE and DELETE in Sql Server
		DELETE is a logged operation on a per row basis.
		This means that the deletion of each row gets logged and physically deleted.
		You can DELETE any row that will not violate a constraint, while leaving the foreign key or any other contraint in place.
	codebetter.com /blogs/raymond.lewallen/archive/2005/05/09/62960.aspx (526 words)

	SQL Performance Tuning
		Check the review by Craig Mullins, who says: "This book provides a comprehensive overview of SQL performance tuning giving guidance and advice on how to properly code and tune SQL for the major DBMS products...
		SQL Performance Tuning was DB2 Magazine's "Featured Title" for November 2002.
		Tell them the title is "SQL Performance Tuning"; the authors are "Peter Gulutzan & Trudy Pelzer"; the publisher is "Addison-Wesley"; and the ISBN is "0-201-79169-2".
	www.ocelot.ca /tuning.htm (542 words)

	Microsoft Business Solutions Customer Relationship Management (Microsoft CRM) Implementation Guide - Uninstall and Data ... (Site not responding. Last check: )
		Open SQL Query Analyzer for this SQL Server instance and type the following command for both the Microsoft CRM and Metabase databases whose publications were just deleted.
		Delete the.mdf and.ldf files that correspond to the database files listed in step 1.
		To determine which SQLAccessGroup and SQLRepl groups belong to the Microsoft CRM organization that you are deleting, compare the complete names of these groups with the pre-Windows 2000 name of the groups in the Active Directory created under the Organizational Unit (OU) for this Microsoft CRM organization.
	www.microsoft.com /technet/prodtechnol/mscrm/mscrm12/maintain/c_unstal.mspx (1236 words)

	Chapter 16. Native SQL
		This can be problematic for SQL queries which join multiple tables, since the same column names may appear in more than one table.
		Named SQL queries may be defined in the mapping document and called in exactly the same way as a named HQL query.
		The SQL is directly executed in your database, so you are free to use any dialect you like.
	www.hibernate.org /hib_docs/v3/reference/en/html/querysql.html (1494 words)

	Exploring 'ON DELETE SET NULL' in SQL Server 2005
		At first glance, the 'ON DELETE SET NULL' option in SQL Server 2005 may not seem like a big deal, but once you've seen how it can be used, I think you will be impressed.
		It allows the "parent" record to be deleted and sets the "child" record's column to NULL.
		This meant that a sign-on ID that had been deleted could not be used again as long as the "soft" deleted record remained in the table (due to a unique constraint on the SignonID column).
	www.sqljunkies.com /Tutorial/D839595A-0BC3-4F7E-97EA-DE4911EE2217.scuk (670 words)

	Microsoft CRM Implementation Guide - Microsoft CRM Uninstall
		If your Microsoft CRM SQL Server Instance is listed but is labeled as Local, then you will have to delete the local registration and re-register it.
		Open SQL Query Analyzer for this SQL Server and type in the following command for both the Microsoft CRM and Metabase databases whose publications were just deleted.
		To determine which SQLAccessGroup and SQLRepl group belong to the Microsoft CRM organization that you are deleting, compare the complete names of these groups with the pre-Windows 2000 name of the groups in the Active Directory created under the OU for this Microsoft CRM organization.
	www.microsoft.com /technet/prodtechnol/mscrm/mscrm1/maintain/c_uninst.mspx (936 words)

	SQLCourse - Lesson 7: Deleting Records
		The delete statement is used to delete records or rows from the table.
		delete from employee where lastname = 'May'; delete from employee where firstname = 'Mike' or firstname = 'Eric';
		Create at least two of your own delete statements, and then issue a command to delete all records from the table.
	sqlcourse.com /delete.html (170 words)

	SQL Server Forums at SQLTeam.com - delete statement
		If you want to delete the entries from all tables then define a cascade delete or use a transaction around the individual deletes.
		Cursors are useful if you don't know sql.
		I believe that you need to list the table twice when doing a delete with a join.
	www.sqlteam.com /Forums/topic.asp?TOPIC_ID=22168 (244 words)

	BatchUtil (BASE 2.0 Class documentation (developer edition)) (Site not responding. Last check: )
		Build delete SQL string and put it in the SQL map.
		Get the SQL that deletes a new row of the specified class.
		Generate SQL for all BatchableData classes for insert, update and delete operations.
	base.thep.lu.se /base2/api/develop/net/sf/basedb/core/BatchUtil.html (589 words)

	SQL - DELETE, SQL syntax, SQL database engine, SQL C++ class library (Site not responding. Last check: )
		This command deletes zero or more rows from the specified table.
		search-condition is an expression that describes the rows to be deleted.
		Rows that match the specified search-condition are removed from the table.
	www.simple-sw.com /sql-delete.htm (317 words)

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