Firebird

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About

Firebird refers to an open-source SQL Relational Database Management System that runs on Microsoft Windows, Linux, macOS, and various other UNIX platforms.

Features:

SQL Compliance: Firebird adheres to entry-level SQL-92 requirements and the Firebird server supports the development of dynamic SQL client applications. Also, it ships with a host-language precompiler and in-engine language support for embedded SQL development in host languages like C/C++ and COBOL.

Multi-user Database Access: The key objective of Firebird is to give access to a single database to many clients at the same time. In this way, client applications can have active connections to multiple databases simultaneously. Firebird does the work of protection of cross-database transactions through a two-phase commit mechanism. Triggers and stored procedures can post-event messages to interested clients of particular events in the database.

User-Defined Functions: User-defined functions (UDF) can be written and easily stored on the server machine in external shared object libraries. The UDF is available to any client application accessing the database once it is declared to a Firebird database as an external function as if it were a native function of the SQL language.

Security: Firebird maintains a security database storing encrypted passwords and user names. It is situated in the root directory of the server installation and controls access to the server itself and all databases in its physical domain.

You can subscribe to Fire bird, an AWS Marketplace product and launch an instance from the product’s AMI using the Amazon EC2 launch wizard.

To launch an instance from the AWS Marketplace using the launch wizard

  • Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/
  • From the Amazon EC2 dashboard, choose Launch Instance.
    On the Choose an Amazon Machine Image (AMI) page, choose the AWS Marketplace category on the left. Find a suitable AMI by browsing the categories, or using the search functionality. Click Select to choose your product.
  • A dialog displays an overview of the product you’ve selected. You can view the pricing information, as well as any other information that the vendor has provided. When you’re ready, choose Continue.
  • On the Choose an Instance Type page, select the hardware configuration and size of the instance to launch. When you’re done, choose Next: Configure Instance Details.
  • On the next pages of the wizard, you can configure your instance, add storage, and add tags. For more information about the different options you can configure, see Launching an Instance. Choose Next until you reach the Configure Security Group page.
  • The wizard creates a new security group according to the vendor’s specifications for the product. The security group may include rules that allow all IP addresses (0.0.0.0/0) access on SSH (port 22) on Linux or RDP (port 3389) on Windows. We recommend that you adjust these rules to allow only a specific address or range of addresses to access your instance over those ports.
  • When you are ready, choose Review and Launch.
  • On the Review Instance Launch page, check the details of the AMI from which you’re about to launch the instance, as well as the other configuration details you set up in the wizard. When you’re ready, choose Launch to select or create a key pair, and launch your instance.
  • Depending on the product you’ve subscribed to, the instance may take a few minutes or more to launch. You are first subscribed to the product before your instance can launch. If there are any problems with your credit card details, you will be asked to update your account details. When the launch confirmation page displays

Usage/Deployment Instruction

Step 1:  Open putty and connect with your machine.

Step 2: Login with user name “ubuntu”

Step 3: – sudo su

Step 4: – Now we can start creating new databases and tables.

# sudo isql=fb

 

 

Step 5:- And then, we proceed to create the new database with the following syntax:

:>create database [“database_path.fdb”] user [‘user’]password ‘[password]’;

For eg:-

:> create database “/var/lib/firebird/3.0/data/first_database.fdb” user ‘SYSDBA’ password ‘miri’;

Step 6:- Then, to use it or rather to connect to it we use this other command:

connect “/var/lib/firebird/3.0/data/first_database.fdb” user ‘SYSDBA’ password ‘miri’;

 

 

 

Finally, you can show the installed version:

 

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    Database management software can help you create and manage your databases so you can easily capture and analyze data. This easily accessible data often leads to greater business insight, helping you refine your data-driven efforts.

    Traditional hosting services generally provide a pre-configured resource for a fixed amount of time and at a predetermined cost. Amazon EC2 differs fundamentally in the flexibility, control and significant cost savings it offers developers, allowing them to treat Amazon EC2 as their own personal data center with the benefit of Amazon.com’s robust infrastructure.

    When computing requirements unexpectedly change (up or down), Amazon EC2 can instantly respond, meaning that developers have the ability to control how many resources are in use at any given point in time. In contrast, traditional hosting services generally provide a fixed number of resources for a fixed amount of time, meaning that users have a limited ability to easily respond when their usage is rapidly changing, unpredictable, or is known to experience large peaks at various intervals.

    Secondly, many hosting services don’t provide full control over the compute resources being provided. Using Amazon EC2, developers can choose not only to initiate or shut down instances at any time, they can completely customize the configuration of their instances to suit their needs – and change it at any time. Most hosting services cater more towards groups of users with similar system requirements, and so offer limited ability to change these.

    Finally, with Amazon EC2 developers enjoy the benefit of paying only for their actual resource consumption – and at very low rates. Most hosting services require users to pay a fixed, up-front fee irrespective of their actual computing power used, and so users risk overbuying resources to compensate for the inability to quickly scale up resources within a short time frame.

    In a rough sense, it is similar to the Post-Triggers of the database world. But with functions, the action is already completed at the data-layer, and the event handler just gives an interface by which developers can key in the logic of what needs to happen ‘after’ the action is done. What a function sees is the actual event of the change, and hence it does not directly correlate with Database Triggers.

    It totally depends on the application interface that you are using. These are some following ways,

    • You can verify only from the front-end when application interface shows view functionality of the data you enter. Mainly, Black box test engineers do this functionality verification test in this way.
    • If application interface doesn’t provide view functionality of the data you enter, then you can check for database update by using relevant SQL/Oracle query.

    Highlights

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      Firebird makes use of prefix and suffix compression for index keys. Record data is compressed by using run-length coding.

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      Firebird SuperServer has a single daemon/server for all client connections, multithreaded with a shared cache.

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      Firebird supports major software and hardware platforms entailing Windows, Linux, macOS, and so on.

    Application Installed

    • icon Firebird
    • icon mysql
    • icon linux