security in open source web content management systems ieee

... underlying index data set is known as index statistics These tics on an index’s selectivity are invaluable to MySQL in optimizing, or determining the moststatis-efficient method of fulfilling, ... contain all the information needed in a query is called a covering index In order to best use this technique, it’s important to understand what pieces of data are contained in the varying index ... and InnoDB storage engines Table 2-3.MySQL Index Formats Here, we’ll cover each of these index layouts, including the InnoDB engine’s adaptive version of the hash layout You’ll find additional information

Ngày tải lên: 08/08/2014, 20:21

... void close(uint exiting); // omitted void report_pos_in_innodb(); // iterating through the log index file int find_log_pos(LOG_INFO* linfo, const char* log_name, bool need_mutex); int find_next_log(LOG_INFO* ... section contains a recinfo struct for each column in the indexes,containing (somewhat redundant) information about the data types in the indexes Anextra recinfo struct contains information about ... implementation of join_init_read_ records(), does it? Listing 4-21./sql/sql_select.cc join_init_read_record() static int join_init_read_record(JOIN_TAB *tab) doing, so where do the storage engines and the

Ngày tải lên: 08/08/2014, 20:21

... possible things you’ll see in the Extra field in our nextchapter For now, just think of it as any additional information that MySQL thinks you mightfind helpful in understanding how it’s optimizing ... statistics in determining which possible JOINstrategy to deploy for your SELECT statement Extra: This column contains extra information pertaining to this particular row’s access strategy Again, we’ll ... your command line The following lines contain the output results of each type of query contained in the smack file In this case, there was only one query type, called select_index In our run, Super

Ngày tải lên: 08/08/2014, 20:21

... table You can use one of two join hints to prod MySQL into action: • The USE INDEX (index_list) hint tells MySQL to consider only the indexes contained in index_list during its evaluation of the table’s ... optimization of joins as normal, but it will not include in the evaluation any indexes listed in index_list Listing 7-38 shows the results of placing an IGNORE INDEX hint in a SELECT statement ... join order would be to use the order given in the SELECTstatement, you would use the STRAIGHT_JOIN hint, as shown in Listing 7-37.Listing 7-37.Example of the STRAIGHT_JOIN Hint mysql> EXPLAIN

Ngày tải lên: 08/08/2014, 20:21

... the second line of Listing 10-3 You could generate the same output as in Listing 10-2 by creating a calculate_total() function and using it in the SELECT, as shown in Listing 10-4 Listing 10-4.SELECT ... 19security_type: DEFINERparam_list: IN delivery_day INTreturns: body: BEGINdeclare shipping INT; case delivery_daywhen 1 then set shipping = 20; when 2 then set shipping = 15; when 3 then set shipping = 10; ... replacing the existing procedure in the database with the new one using a DROP and then a CREATE statement Choosing an environment for editing stored procedures is similar to finding one for anykind

Ngày tải lên: 08/08/2014, 20:21

... for internal use While we continue to recommend using the label definitions instead of the ASstatement, it is interesting to see how MySQL trans-forms the CREATEstatement for internal use In this ... beresolved in an upcoming release The UPDATE statement in Listing 13-4 will change all the values in the name column of thecustomertable to uppercase, as shown in Listing 13-5 Listing 13-5.Records in ... of the NEW syntax in getting and setting record values in upcomingexamples 4 We attempted to find a limit for the number of lines in a trigger However, after successfully running a script-generated,

Ngày tải lên: 08/08/2014, 20:21

... pane, fill in the fields in the Login Information section, as shown in Figure 15-8.Filling in the Additional Information area is strictly optional.3 Figure 15-8.Filling in new user information ... atime-consuming and challenging process Sometimes, just making sure you have all the rightpeople involved in the conversation to define the security requirements can be a challenge.Defining security ... administrator/en/mysql-administrator-introduction.html Thinking in Terms of User Roles Up until now, we’ve been speaking about the access control and privilege verification systems strictly in

Ngày tải lên: 08/08/2014, 20:21

... Running the command in Listing 18-8 brings your slave database to the exact point in time that your master was when... parameter Daisy Chain Although having multiple slaves pointed to a single ... geographic area that chaining the closest... for SSL information The complete listing of entries in the master.info file is shown in Table 18-1 Lines 9 through 14 contain information about the ... works well in certain situations, there may be other cases where creating a chain of replicated machines meets your needs better Perhaps having many machines replicating from a single master

Ngày tải lên: 08/08/2014, 20:21

... Troubleshooting Start, Restart, and Shutdown Issues In this section, we’ll discuss common problems related to starting and shutting down the server properly, including the following: • Determining whether ... starting the server using the MySQL binary itself will keep the process and messages in the forefront, as shown in Listing 20-10 Trang 4Listing 20-10.Running MySQL Without a Startup Script./bin/mysqld ... sys_objects and sys_indexes INFORMATION_SCHEMA views are read-only, partly because the data contained in the INFORMATION_SCHEMA views isn’t contained in a single location, but instead pulled from

Ngày tải lên: 08/08/2014, 20:21

... balancing 5 Software Installation and Maintenance Business Driver: Virginia Tech maintains all of our own systems A typical system deployment includes a development (DEV) instance, a testing instance ... section within the sub-domain www.unirel.vt.edu/advertising/fall_campaign 6 Content Quality Checks a The CMS SHOULD include a utility for checking link integrity and generating “dead link reports” ... directly by clicking on a link on the published website ii Visually compare two different versions of a page in web browser view iii Save content and continue editing without having to exit and

Ngày tải lên: 18/10/2022, 13:11

... toàn thông tin Trang 2Danh mục từ viết tắtATTT: An toàn thông tin QLATTT: Quản lý an toàn thông tin BASE: Basic Analysis and Security Engine HIDS: Host Intrusion Detection System IDS: Intrusion ... Detection System IDS: Intrusion Detection System NIDS: Network Intrusion Detection System OSSIM: Open Source Security Information Management PADS: Passive Asset Detection System Trang 3Chương ... tính bí mật thông tin Tin tặc đã lợi dụng lỗi này để truy vấn thông tin của tất cả tài khoản thuộc Trang 7ngân hàng này.Các nguyên nhân dẫn đến sự cố mất an toàn về bí mật thông tin trên là: 1 Ngân

Ngày tải lên: 03/07/2015, 15:38

... package(Weber, 2004, p.4), is freely available to its users in the case of Open Source software.The term Open Source is defined by the Open Source Initiative (OSI) in the OpenSource Definition ... expanding the enterprisemarket for Linux Linux and Open Source are often linked in Open Source literature, and it may seemthat Linux and its added software is all there is in the Open Source ... EvaluationIntroduction Results &  Conclusion Figure 1.1: Thesis Outline Chapter 2 is an introduction to Open Source, including the Open Source developmentmethod and the Open Source culture In chapter

Ngày tải lên: 04/05/2018, 11:53

... applications for better planning, management and ‘monitoring of these resource, including land esource inventory 4 inventory of land wilization types and production systems, inchuding indigenous ystems, ... Resources Reports 89 LAND RESOURCES INFORMATION SYSTEMS FOR FOOD SECURITY IN SADC COUNTRIES Trang 2World Soil Resources Reports 89 LAND RESOURCES INFORMATION SYSTEMS FOR FOOD SECURITY IN ... and Climate Information Systems + Early Waming Systems ‘+ Household Food Security and "Natritonal Information Systems ‘+ Market Information Systems + Vulnerability ‘Mapping Systems Assessment

Ngày tải lên: 23/02/2014, 04:20

... authoring, and sharing open and free learning resources ‘The main target groups are teachers and Jeaming, content authors, but anyone is free to join Tt is Open Source server software All learning ... for open source, Without the open-source movement, the software world might have become a disjoint set of incompatible software (and hardware) incapable of sup- porting something as intertwined ... support, security, oF su tainabiity of their project In too many cases, these efforts die on the vine and a campus administrator looses a bit of faith in open-source solutions In some cases, a poor open-source

Ngày tải lên: 23/02/2014, 19:20

... studied in the scientific field of information sciences In the first issue of Information Systems, appearing in 1975, Senko defined information sciences as follows [Sen75]: In our discipline, we ... software systems again and again in a changingenvironment A DBMS provides this ability to evolve by emphasizing data independence: pro-grams that access data maintained in the DBMS are written independently ... ad-dressed in any multimedia DBMS As a part of these requirements, it defines the newnotion of content independence, a dual of data independence for the management ofthe metadata used in querying by content

Ngày tải lên: 07/03/2014, 23:20

... USA in the 1960’ !) – Timing gap in relation to USA • Opening and widening the access – Driving forces: economic needs and demand for HE – Reactive policy strategy and planning Trang 4• Opening ... 21 Opening higher education 2 Developments of Higher Education in Europe 3 Diversity and Equal opportunities 4 Final Remarks Trang 31 Opening higher education• A trend in Europe (started in USA ... Developments of Higher Education in EuropeThe past forty years • Driving forces and processes – Responding to increasing demand and economic needs Trang 6The past forty years• Driving forces and processes

Ngày tải lên: 31/03/2014, 07:20

... been prepared to provide a model for establishing, implementing, operating, monitoring, reviewing, maintaining and improving an Information Security Management System (ISMS) The adoption of an ... organizations) This International Standard specifies the requirements for establishing, implementing, operating, monitoring, reviewing, maintaining and improving a documented ISMS within the context ... for planning and conducting audits, and for reporting results and maintaining records (see 4.3.3) shall be defined in a documented procedure The management responsible for the area being audited

Ngày tải lên: 31/03/2014, 12:20

... entirely in main memory instead of residing primarily on disk (e.g [20]) Years ago, main memory capacity was the factor limiting the appeal ofmain memory DBMSs In high-end systems today, however, main ... manyaddressing errors, the source of the corruption in a data or control error can be trackedduring debugging by examining the code that is known to use the corrupted data In future database management ... errors Error checking is not usually donesystematically The checking code has to be maintained as the software it checks ismaintained Implementing and testing error checkers increases development

Ngày tải lên: 28/04/2014, 13:32

... benefits In fact, WSN is one of the areas with the highest demand for cognitive networking In WSN, node resources are constrained mainly in terms of battery and computation power but also in terms ... attacks in CWSNs As we shown in Section 1, CWSNs have special features that make security really interesting However, security in CWSNs needs to be more studied by scientific community In this ... coordinator node Sybil attack is defined as a malicious device illegitimately taking multiple identities Sybil attack is effective against routing algorithms, voting, reputation systems and foiling

Ngày tải lên: 21/06/2014, 17:20

... barriers and obstacles to knowledge management initiatives in software engineering. 4.1 Needs in software engineering The field of software engineering have some interesting knowledge related characteristics; software ... over the Internet. In an effort to create understanding and acceptance for the term Open Source an op en source definition was proposed at the inception of the Open Source Initiative (Initiative 1997). ... identified in the project, but not strictly for software engineering purp oses Table 6.1: The presence of the selected practices in open source projects. for developing open source applications. In the...

Ngày tải lên: 24/01/2014, 00:20