Advanced SQL Database Programmer phần 8 doc

... in a real application. 80 DBAzine.com BMC.com/oracle DBAzine.com BMC.com/oracle 81 Avoiding SQL Injection CHAPTER 14 SQL Injection Security Threats SQL injection is a serious ... serious threat to any vendor’s SQL database in which applications use dynamic SQL (i.e., SQL compiled while the application is running). A hacker knowledgeable of SQL can exploit...

Ngày tải lên: 08/08/2014, 18:21

... John Paul Cook 81 Creating a Test Application 81 Understanding the Test Application 83 Understanding Dynamic SQL 84 The Altered Logic Threat 85 The Multiple Statement Threat 86 Prevention ... in the Gaps by Joe Celko 69 Chapter 13 - SQL and the Web 75 Web Databases by Joe Celko 75 DBAzine.com BMC.com/oracle iii Advanced SQL Database Programmers Handbook By Do...

Ngày tải lên: 08/08/2014, 18:21

... 8. 00.194 (Intel X86) Aug 6 2000 00:57: 48 Copyright (c) 1 988 -2000 Microsoft Corporation Enterprise Edition on Windows NT 5.2 (Build 37 68: ) 94 DBAzine.com BMC.com/oracle sqlservr.exe, ... propagation of the worm. SQL worms are a far greater threat than many people realize because there are many SQL Servers out of sight and out of mind. Since SQL 7, the SQL Server d...

Ngày tải lên: 08/08/2014, 18:21

... Introduction To Database Systems IBM DB2 v 8. 1, Microsoft SQL Server 2000, and Oracle9i all support views (yawn). More interesting is the fact that they support very similar advanced features ... with the expression results. DBAzine.com BMC.com/oracle 7 SQL View Internals CHAPTER 2 SQL Views Transformed "In 1 985 , Codd published a set of 12 rules to be used as...

Ngày tải lên: 08/08/2014, 18:21

... Optimizing Views in SQL Server." (http://www.informit.com/isapi/product_id%7E%7B4B34D DF9-2147-41D0-8BB6- 7101176AD1F0%7D/st%7E%7B340C91CD-6221-4 982 -8F32- 4A0A9A8CF 080 %7D/content/index.asp) ... DBMS vendors. This is the DB2 take. " Migrating Oracle Databases to SQL Server 2000." (http://www.akadia.com/services/sqlsrv2ora.html)  This article includes a compact de...

Ngày tải lên: 08/08/2014, 18:21

... a UNION operator. UNIONs are supported in SQL- 86 , SQL- 89 , and SQL- 92, but the other set operations have to be constructed by the programmer in SQL- 89 . The syntax for the UNION statement is: ... ANSI X3) Database Standards Committee added these operators, the model in the SQL- 92 standard was to pair off the two tables on a row-per-row basis for set operations. (not...

Ngày tải lên: 08/08/2014, 18:21

... calculations in SQL. Procedural languages like Fortran or Pascal are very good about optimizing calculations, which only makes sense because all they do is calculations! But SQL is a data ... abstract of the McCarthy and Klepczynski paper at http://www.findarticles.com/cf_0/m0BPW/11_10/5 782 19 98 /p1/article.jhtml). The major reason they give for wanting to change the current...

Ngày tải lên: 08/08/2014, 18:21

... relational database theory. Here is one way to code this operation in SQL. SELECT D1.document_id FROM Documents AS D1, SearchList AS S1 WHERE D1.key_word = S1.word GROUP BY D1.document_id ... query. This will remove a document which contains any exclude word and accept a document with all (or more) of the search words. SELECT D1.document_id FROM Documents AS D1, SearchLi...

Ngày tải lên: 08/08/2014, 18:21

... 63 Graphs in SQL CHAPTER 11 Path Finder I got an email asking me how to find paths in a graph using SQL. The author of the email had seen my chapter on graphs in SQL for Smarties, ... from the book Introduction to Algorithms by Cormen, Leiserson and Rivest (ISBN 0-262-03141 -8) , page 5 18. This book is very popular in college courses in the United States. I made one decisi...

Ngày tải lên: 08/08/2014, 18:21

... UNION ALL 18, 19, 31 Universal Coordinated Time 39, 41 UPDATE 17, 59 V VIEW 59, 69 DBAzine.com BMC.com/oracle 103 Basic SQL Tuning Hints CHAPTER 16 SQL tuning Oracle SQL tuning ... vulnerability on SQL Server port 1434. Blocking UDP ports 1433 and 1434 at your firewall will protect your server from this worm and many other SQL Server exposures. You can also...

Ngày tải lên: 08/08/2014, 18:21