GUI Tools for Firebird DB management
————————————

Commercial
These are very good tools
IBExpert – Developer Studio
Interbase firebird development studio – develop/design
EMS sql mgmt studion for interbase/firebirdails.html — http://www.soft32download.com/software/EMS-SQL-Manager-2005-for-InterBase-Firebird-download-details.html
xstarter FBIB – good management tools–scheduling of works — http://www.xstarter.com/firebird-interbase-job-scheduler.html

Free
—-Development and Administration Tools
DbVisualizer Free
JDBStudio
ibview
ibexpert free personal edition limited
IBSQL not great but have some good features
Crypton firebird database manager — very good
administration tool
IBUtils–design tools
DBManager Professional–good tool design/develop/admin tool
FIBS Firebird — InterBase Backup Scheduler
IBEasy+ — not much useful
Recommendation:
——————

Crypton firebd db manager —- very good administration
tool — http://www.crypton.co.uk/freetools.html

DBManager Professional —- good tool design/develop/admin tool http://www.dbtools.com.br/EN/downloads/downloads_file.php?file_id=11http://www.download.com/DBManager-Standard-Edition/3000-2065-10580436.html?part=dl-DBManager&subj=dl&tag=button

FIBS Firebird-InterBase Backup Scheduler — http://www.talatdogan.com/frees.htm From: http://sitestree.com/?p=4724
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Post Data:2009-10-08 18:50:36

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Please read.According to this article postgresql faster than firebird. But I also got information/tests where firebird is faster than postgresql.

http://archives.postgresql.org/pgsql-advocacy/2003-06/msg00280.php

However, Speed may not be the only factor to select a database product. We can improve raw speed in many alternate ways, hardware solutions, ram, faster storage, faster CPU. To compare speed issue, efficiency issue, we need to take a look how the query optimizations are implemented in databases. How, the joins, inner joins, outer joins are implemented. How multiple joins are implemented. Also, indexing is a factor that also affects performance issue. We can try creating same database and using a queries that are simple to complex and run on both databases and see, how well they perform.

Postgresql supports SMP (multiple processor system) and provides better efficiency in multiprocessor systems. Firebird, is not still matured in SMP environment.

Firebird supports 32 bit environment, still not stable/reliable enough for 64 bit env. It supports max ram of 2 gb and hence 150 – 450 concurrent users. Postgresql supports 2 TB of ram in a single server. For both of them, we can implement multiple servers with master/slave relation for better performances.

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Post Data:2010-10-28 19:53:29

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Please check: http://www.ibphoenix.com/main.nfs?a=ibphoenix&s=1154575297:5422&page=ibp_50_query From: http://sitestree.com/?p=4717
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Post Data:2012-08-31 08:12:40

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Postgres Vs Interbase/Firebird (Score:0) By Anonymous Reader on 2004.12.03 18:23 (#102740) http://www.vitavoom.com/postgresql.htmlFirebird has not true text type you must use the clumsy blobs and weird blob subtypes.Postgres is much closer for enterprise use than Firebird.almost all of this applies to Firebird as well as interbase.PostgreSQL vs InterbasePostgreSQL… * … has no “dialects” or other weird features. * … has no “backdoors” which can compromise your whole company’s security and business (check here and here). * … supports unlimited row sizes, unlimited datasebase sizes, tables up to 16TB (!!), unlimited number of rows, unlimited indexes for table and 1Gb per field. * … has a boolean field. * … can cancel a query asynchronously (Interbase 6.5 – the commercial version – seems to support it now). * … has a flexible (not fixed) types system, and supports more types then Interbase. You can always add your own types at your wish, or change existent types behavior. PostgreSQL even has geometrical and IPv4 types support (!!). * … supports inheritance. * .. supports flexible full text indexing through OpenFTS. * … has a much more sofisticated locking mechanism (MVCC). * … has arbitrary precision numeric fileds (numeric type). * … is resistant to crashes and power failures (by using it’s logging system, MVCC and chepoint)). Although it is technically possible that a database gets corrupt, we at Vita voom never saw it (except for corrupt media storage of course). * … supports functions (whose can be used as stored procedures). These functions current can be written on SQL, pl/PgSQL (a language similar to Oracle’s pl/SQL), TCL, Perl, and Python, C, C++ (or other compiled languages) but it’s not limited to them. * … can have functions to define default values for columns (providing ultimate default value flexibility). * … supports much more arrays types then Interbase, they are more flexible and can support much more elements. * … supports rules. * … supports “fetch” SQL command to get only a limited number of rows at a time, making queries more responsive and resource economic. * … has regular expressions support (for searches and operations). * … has a ‘EXPLAIN’ command which will show will how it will perform a query, so that you optimize it. * … has statistics about database usage which can be used to optimize queries and indices. * … has sequences. * … has more built-in functions then Interbase (or any other open source RDBMS). * … supports indexes on functions. * … has broader subselects support then Interbase. * … has a more flexible BLOB fields support. * … can limit the number of rows retrieved at at time (with the ‘LIMIT’ keyword). * … is more standards-compliant then Interbase. * … allo From: http://sitestree.com/?p=4715
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Post Data:2013-03-14 18:15:43

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http://searchopensource.techtarget.com/originalContent/0,289142,sid39_gci1172668,00.html

PostGreSQL Windows Installerhttp://pgfoundry.org/projects/pginstaller/

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Post Data:2006-09-24 22:18:42

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PosTGRESQL Provides better query responsetime than firebird and MySql. Firebird stands somewhere in the middle. A little longer response time than PostGreSql.
http://benchw.sourceforge.net/benchw_results_open3.html

Several PostGreSQL versions are compared at:
http://benchw.sourceforge.net/benchw_results_postgres_history.html

Several MySQL versions are compared at:
http://benchw.sourceforge.net/benchw_results_mysql_indexes.html

A good comparison among these databases will be found at:http://www.geocities.com/mailsoftware42/db/

Mentionable comments

PostGreSQL Supports 400+GB DB.One source: As for each connection it forks new thread, it is bit slower than MySql: Another source: postgresql is faster than mysql. Seems the truth is: for single connection postgresql can be faster but for multiple connections mysql is faster. just an information, not sure yet.

New PostGre Features

http://www.postgresql.org/docs/whatsnewSome mentionable comments: Supports SMP and almost linearly improves performance witth multiprocessor system.

Supports roles, in/out parameters/two phase commit/table partitioning shared row locking(firebird record level locking), 64 bit shared memory hence supports two terabytes of ram

PostGreSQL capability4.4) What is the maximum size for a row, a table, and a database?These are the limits:
Maximum size for a database? unlimited (32 TB databases exist)
Maximum size for a table? 32 TB
Maximum size for a row? 400 GB
Maximum size for a field? 1 GB
Maximum number of rows in a table? unlimited
Maximum number of columns in a table? 250-1600 depending on column types
Maximum number of indexes on a table? unlimited
One limitation is that indexes can not be created on columns longer than about 2,000 characters. Fortunately, such indexes are rarely needed. Uniqueness is best guaranteed by a function index of an MD5 hash of the long column, and full text indexing allows for searching of words within the column.Source:http://www.postgresql.org/docs/faqs.FAQ.html4.20) What replication solutions are available? Though “replication” is a single term, there are several technologies for doing replication, with advantages and disadvantages for each.
Master/slave replication allows a single master to receive read/write queries, while slaves can only accept read/SELECT queries. The most popular freely available master-slave PostgreSQL replication solution is Slony-I.
Multi-master replication allows read/write queries to be sent to multiple replicated computers. This capability also has a severe impact on performance due to the need to synchronize changes between servers. PGCluster is the most popular such solution freely available for PostgreSQL.
There are also commercial and hardware-based replication solutions available supporting a variety of replication models.

Important Notes

Server Configuration A number of postgresql.conf settings affect performance. For more details, see Administration Guide/Server Run-time Environment/Run-time Configuration for a full listing, and for commentary see http://www.varlena.com/varlena/GeneralBits/Tidbits/annotated_conf_e.html and http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html.
Hardware Selection
The effect of hardware on performance is detailed in http://www.powerpostgresql.com/PerfList/ and http://momjian.us/main/writings/pgsql/hw_performance/index.html.

Wikipedia link for postgressql-http://en.wikipedia.org/wiki/PostgreSQL

EnterpriseDB kind of commercial but cheap based on postgressql
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Post Data:2010-01-24 02:30:40

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Note:Firebird can be a very good alternatives to Oracle/MSSql Server/Interbase. First of all, it is free. It can be good enough for upto medium level of enterprises. Supported database size is more than 11 terabytes. For a single table 20GB. It also implements ACID properties well enough. Implements two phase commit and in record level locking and hence can provide more concurrency and connection.It also implements MGA to provide recovery that also Oracle/MSSQL server imitated from interbase/firebird.A well designed database and a well designed network using Firebird will be strong enough to support a mid – size company. Also, if the database is designed well and used the clean normalization, and used clean indexing, the query will be faster enough.Linux platform is more suitable than windows platform for Firebird.In 32 bit environment, Firebird server version support 2 GB of ram and hence around 450 concurrent connection. This is due to memory addressing in 32 environment, required cache size and for similar reasons.In Linux 64 bit versions Firebird can provide better service and more concurrent connections. Firebird is not stable and reliable enough to be used with windows platform in 64 bit environment. Though, Firebird project, hopes to work on this.Firebird, has a dedicated community to support the product. They provide supports through a discussion forum. (May be .. with some other ways). Firebird team also hopes to continue the project to fullfill future demand.Being opensource project the database system seems will be strong enough and well designed and well featured to meet customer demand.For details please check:A detail discussion can be found here.http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_enterprise_firebirdNote:Firebird can be a good option for a Midsize company in Bangladesh From: http://sitestree.com/?p=4710
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Post Data:2007-09-09 08:56:56

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Just an overview (Will be updated …).

• Microsoft Solution Framework is a combination/mix of both Waterfall model and Spiral model. It includes waterfall models milestone based planning and resulting predictability with the spiral model’s benefits of feedback and creativity
• Roles in the MSF Team Model:
  • Product Management (Deals with customers, collects customer requirements, ensures requirements are met, plans project communications, and performs related duties)
  • Project Management: Develop processes and deliver solutions
  • Development: Develop the solution
  • Testing:
  • Release Management: Responsible for deployment
  • User Experience: Analyzes performance needs, supports issues of the users
  • Project Sponsor:
  • Customer
  • End user
  • Operations
• Gathering Information: Information Categories: Business, Application, Operations, Technology
• Information Gathering Techniques: Shadowing (Observe the operation, ask questions (how do interruptions affect users?) and collect information), Interviewing, Focus Groups, Surveys, User instruction, Prototyping
• Sources of information:Artifacts (like documents), Systems (set of processes performing an action), People (responsible for different project related tasks)
• Analyzing Information Step: Analyze collected information and create use cases and use case diagrams. Use cases and use scenarios will identify the total/complete system clearly, all processes involved in the system, identify gaps in the information collection, establish connections between business needs and user requirements. Collecting information and Analyzing can be iterative processes
• A use case diagram will contain information like: Requirement ID, Requirement description, Priority, Data Source, current functionalities, questions from this item.
• Several other documents may be created such as: Actors Catalog (For each responsibilities in the system list the actor’s/responsible employee’s name, and source of information), Business Rules Catalog (may include short title, description of the rule, source of the business rule, reference to the corresponding use case diagram, functionalities related to the business rule)
• UML notations may be used to create the diagrams
• Envisioning Phase: The team, the customer, and the sponsor define the high level business requirements and overall goals of a project. Identify what the project involves, what the customers want to achieve with the project, what is the business need, what must be developed to solve/address the business needs. Make all involved people aware of the project goals and requirements clearly. Form project team
• Output from the Envisioning Phase: Vision/Scope document, Project structure document, Risk assessment document, list of testable features, preliminary requirements and architecture, a GUI storyboard.
• Vision/Scope Document: Problem Statement, Vision Statement, User profiles, Scope of the project, Solution concept, Project Goals (both business and design), Critical success factors, Initial schedule
• Project Structure Document: components of the project structure (team and structure, project estimates, project schedules)
• Contents of the project structure document: Team and customer roles and responsibilities, communication decisions, Logistical decisions, Change management decisions, Progress assessment decisions
• Next three steps: Conceptual Design->Logical Design->Physical Design
• Conceptual Design: Define the problem from the perspective of the user and the business/usage scenarios
• Logical Design: Define the problem from the perspective of the project team/cooperative services
• Physical: Define the problem from the perspective of the developers
• Goals of Conceptual Design: Understand the business problem to be solved, requirements of the business, and target future state of the business.
• Steps in Conceptual Design: Research, Analysis, Optimization
• Build Conceptual Design: analyze information, Restate requirements, categorize requirements, refine use case diagrams, select an application architecture (client/server, layered, Stateless, Cache, Layered-client-cache-stateless-cash-server),
• Logical Design: List candidate tools and technologies, identify business objects and services, identify important attributes and key relationships, optimize logical design (refine, validate)
• Outputs of Logical Design: logical object model, high level user interface design, logical data model
• logical object model – identify all the relevant objects/entities [will be pretty similar to identifying entities to create data model and E-R Diagram]
• In logical design, identifying services are also important
• Physical Design: Defines the parts of the solution, how they will be developed, how the interaction will happen.
• Physical Design: Components, User Interfaces, and Physical Database. Scope: Coding, deployment
• At the end of logical design UML diagrams such as Class Diagram, Sequence Diagrams, Activity diagrams, Component diagrams are available. In physical design refinements of these diagrams occur.
• Physical Design: Define programming model, Specify component interfaces and interactions, Design Physical UI Model, Design Physical Database model
• Designing the Presentation Layer: Functions of the User Interface Components: Acquire data from users, capture events from the users, restrict the types of input a user can enter, perform data entry validation, perform simple mapping and transformation of the user provided information, perform formatting of values
• Well designed interface: Intuitive design, Optimum screen space utilization, appearance, easy of navigation, controlled navigation, populating default value, input validation, menus, toolbars and help, efficient event handling
• Designing the Presentation Layer: Create an initial user interface either by hand or using Visual Basic forms, provide user assistance, use tooltips if appropriate, display status, use wizards if appropriate, provide accessibility aids for disabled people
• Types of user interfaces: Windows based, web-based, mobile device based, documentation based
• Design Data Layer: Typically database objects are modeled in an entity-relationship diagram.
• Data Model Types: Flat file, Hierarchical, Relational, Object oriented
• Optimize data access: Minimize roundtrip requests, minimize returned resultset size, reduce concurrency, find the tradeoffs between managing data on the client or on the server
• Optimize the database: Index data (clustered, non-clustered), Partition data (why and how vertical and horizontal partitioning), Normalize data
• Sometimes Denormalization of database tables is also required for better performance.
• Implement data validation: Check for Data Integrity (Domain, Entity, Referential), Validate Data (Range check, Data format, data type check)
• Think about client side/server side data check. Many times both are required for optimum performance and integrity.
• Design Security Specifications: Common Types of Security Vulnerabilities: Weak passwords, Misconfigured software, Social engineering, Internet connections (through unsecured ports, if firewalls are not configured appropriately), Unencrypted data transfer, Buffer overrun, SQL Injection, Secrets in code.
• Principles for creating Security Strategies: Rely on tested and proven security systems than creating your own, use your own only after expert auditing and reviewed by security organizations, never trust external input, Assume that external systems are not secure, use principle of least privilege, reduce components and data availability, default to a secure mode, follow STRIDE (spoofing identity, tampering, repudiation, information disclosure, denial of service, and elevation of privilege) principles
• How to create a security model: Arrange for a brainstorming meeting, list all possible threats, apply the STRIDE security categories, conduct research, rank the risk of each threat
• Security mitigation techniques: Authentication and authorization, Secure communication, Quality of Service, Throttling, Auditing, filtering, least privilege
• STRIDE mitigation techniques: Authentication, protect secrets, audit trails, do not store secrets, privacy protocols, authorization, hashes, digital signatures, time stamps, filtering, throttling, quality of service, run with least privilege
• .Net security features: type safety verification, code signing (Ensure authenticity, ensure integrity) – digital certificates and signatures, code access security, role based security (make use of windows users and permissions) , saving data in isolated storage
• ASP.net authentication: Forms authentication, Passport authentication, Windows authentication
• Web-services security: transport level, application level, message level

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Post Data:2009-07-17 16:41:21

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Software Testing Resources. Read the resources as provided in this short-note. Also, go through the short-notes in the further reading section below.

• Complete free course on Software Testing
• Articles on Software Testing
• Software Development/Engineering Resources in General
• Quality Assurance Templates in General

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Post Data:2006-07-30 13:41:52

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