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Database Programming
Databases are collections of tables that maintain and display information, often collaboratively; this information can be used for interaction with an application or gaining general knowledge. Questions about database engines and modifying or using them belong in this category.
8,803 Questions
explain three factors that led to the introduction of mis in your country
A local database is a database that is stored and managed on a local device, such as a personal computer or a server, rather than being hosted on a remote server or in the cloud. It allows for quick access and manipulation of data without relying on internet connectivity. Local databases are often used in applications where data needs to be processed quickly and where security or privacy is a concern. Examples include SQLite for mobile applications and Microsoft Access for small-scale projects.
What is sql injection in sql server?
SQL Injection is a hacking technique where a user types SQL into a normal input field prompting the program to execute the unintented SQL script against the database server. As an example, a field on a web site might prompt you to enter your SSN and it will look you up. Behind the scenes, if the code is adding the SSN to a SQL Statement "SELECT * FROM tblEmployee WHERE SSN = '" & SSNFieldFromWebPage & "'" Entering in 123-45-6789 in that field would result in the following SQL... SELECT * FROM tblEmployee WHERE SSN = '123-45-6789' However, if the user enters something that the programmer didn't intend, such as... ' OR '1'='1 ...the resulting SQL could be... SELECT * FROM tblEmployee WHERE SSN = '' OR '1'='1' ...which would be true for ALL employees, resulting in ALL data being returned. SQL injection is just a threat that software developers need to consider when developing their applications to prevent users from doing unintended things. There are other things such as deleting all data in the database, changing passwords, setting up new user accounts, etc, that if everything is lined up just right could allow a hacker access to your systems or your private data. It's a form of Web Application Hacking Method.
What is a tuple in a database?
An arbitrary group of fields within a database record. Usually has some meaning in the context of the record. For example a 3-tuple in an address record might be the fields that contain the first, middle and last names of the person in the address field.
A dead lock is a state of stalmate that may result two or more transaction are each waitting for lock held by the other to be released.
in three condition dead lock is appear....
1.circular wait
2.no premsive
3. matual execlusive.
How does normalization reduce data redundancy?
Normalization is being applied for the database to reduce redundancy as in case of first normal for remove the redundant data from rows and in 2nd normal form it removes the redundant data vertically and in 3rd normal form it looks for the redundant data and whether it is non transitively depend on the primary key or not in other words it is the technique of breaking down the complex table into understandable smaller one to improve the optimization of the database structure and data redundancy is the data organization issue that allows the unnecessary duplication of data within the database. For example the first normal form where there should be one key in every table to uniquely each row thus no rows should be repeated and each entry must contain a single value and not multiple values .for instance employee, employee name, telephone numbers.
What is the difference between database management and documents management systems?
differences between document management and database technology
What are the advantages and disadvantages of data entry?
- i dont no
- and i dont care
- y arnt u tellin me da answer 4
Advantages of frame based expert systems?
Frame-based systems support class inheritance, i.e. the process by which
all characteristics of a class-frame are assumed by the instance-frame.
What does the term 'file' mean in a database?
A file is lots of fields or information crammed together!
A file tells you lots of information that you need!
hope that helps :)
A DBMS kernal is a type of database. It is usually used in the architecture business world and it consists of software and system-level data structures.
What are the goals of a non commercial entity?
Commercial entities usually measure success in the amount of money they make.
On the other hand non-commercial entities measure success in other volumes.
Some are charitable and measure their success in, for example, humanitarian aid.
Others, like non commercial broadcasters, have goals to provide services that commercial broadcasters would not consider - NC broadcasters usually focus on quality over populism.
Thirdly there are commercial entities which, although are profit based, also strive for non commercial means simultaneously through corporate responsibility. This can include philanthropy and local charity schemes.
What are the sql commands with dml and ddl?
The DDL provides statement for the creation and deletion of tables, indexes, views etc. The DML provides statements to enter, update, delete and perform complex queries on these tables.
In the Salmoiraghi concept, automation is rather more than a simple reduction of labor costs. Indeed, the most important aspect is to completely eliminate manual handling and its inherent problems, thereby achieving high product quality.
The benefits of an Automated Handling System (AHS) are:
- Complete "from production line to shipping" automation process
- Total elimination of manual handling, leading to dramatic and immediate
improvement of product quality
- Safe and efficient product flow in a compact and fluid system configuration
- Sharp reduction of labor costs guaranteeing prompt return on investment
(3-4 years payback)
- Considerable factory floor space gain
- Clean, orderly, efficient production environment
- Fully computerized operation affording real-time system control, comprehensive data processing facilities, and just-in-time flexibility
- Product traceability resulting in better customer service
- Full compatibility with trend towards larger and heavier product units
- High efficiency packing process
- Last but not least: safe and physically effortless operation
For all these reasons, a Salmoiraghi Automated Handling System maximizes the plant efficiency and provides you with a competitive edge in today's demanding market.
It is safe to assume that, due to stringent cost control, high product quality demands, and "just-in-time" requirements, automated handling will assume in the near future an ever-increasing role in various industrial sectors.
As always, we are committed to anticipate the market trends and offer state-of-the-art and cost-effective technology to our customers.
Automated handling systems can transform your business by slashing costs, reducing errors, and increasing efficiency.
MATERIAL HANDLILNG SYSTEM
In any production system, (either industrial/ Agricultural), the producer is always confronted with a problem of the handling of the material. The necessary raw material has to be transported to the production site or machinery, and after the completion of the production processes the finished goods have to be transported from the production site or machinery to the ware house for storage, or for disposal and marketing. If the production processes consists of more than one processing steps or a number of equipment and machineries, then the producer has to arrange for additional handling facilities to transport material from one production unit to the other.
In a primitive system of production as in the agricultural production in India or in the shop of a village blacksmith, the raw material and finished goods are carried manually or by bullock cart. In a giant structural fabrication shop, or in a large foundry or forging shop, the raw materials and finished jobs may be moved with heavy duty EOT ( Electric Overhead Travelling), Crane or Jib Crane.
In a sophisticated production system, as adopted now a days in the developed countries, there may be complete automation in handling system employing robotics or AGV (Automated Guided Vehicles).
It is necessary in the sense that every production process requires one or the other type of material handling arrangement. But a material handling system does not add to the value of the raw material or finished goods, yet simply increase the cost of production. So while selecting a material handling equipment or arrangement, critically analyze whether the selected equipment or arrangement will yield optimum productivity.
Essential Of Good Material Handling System:
- Efficient and safe movement of materials to the desired place.
- Timely movement of the materials when needed.
- Supply of materials at the desired rate.
- Storing of materials utilizing minimum space.
- Lowest cost solution to the materials handling activities.
Advantages Of Material Handling System:
- Improve efficiency of a production system by ensuring the right quantity of materials delivered at the right place at the right time most economically.
- Cut down indirect labor cost.
- Reduce damage of materials during storage and movement.
- Maximize space utilization by proper storage of materials and thereby reduce storage and handling cost.
- Minimize accident during materials handling.
- Reduce overall cost by improving materials handling.
- Improve customer services by supplying materials in a manner convenient for handlings.
- Increase efficiency and saleability of plant and equipment with integral materials handling features.
Disadvantages Of Material Handling System:
- Additional capital cost involved in any materials handling system.
- Once a materials handling system get implemented, flexibility for further changes gets greatly reduced.
- With an integrated materials handling system installed, failure/stoppage in any portion of it leads to increased downtime of the production system.
- Materials handling system needs maintenance, hence any addition to materials handling means additional maintenance facilities and costs.
Benefits
automated material handling can come in small pieces like saving employees backs, but the benefits also stretch out to cover larger areas as well. In some cases the efficiency that is created by automated material handling can cause a company to consolidate its warehouse operations into one or two distribution locations down from the 6 or 7 that were used previously. This creates a major cost savings for a company. Some automated material handling systems include overhead robotics that pick products from floor locations and deliver them to the pallet location. These are very speedy and quite accurate. Sometimes the robotics are combined with the manufacturing operation to take a food product from its manufacturing point into packaging, then into palletizing before shipping to the retail location for sales. Be aware that automated material handling systems can be configured to do all that is required in the warehouse or distribution center.
Manual material handling (MMH) is defined as the unaided moving of objects, often combined with twisting and awkward postures and contributing to musculoskeletal disorders. Traumatic occurrences (slips, trips, falls, and blows to the body.) cause the other bodily injuries, pain and disability. Typically, not one specific occurrence but rather the awkward body positions, repetition, force and duration associated with movement lead to back, neck and other problems (Cumulative Trauma Disorders).
Edited bv:
Frank W.K. Anane
K'dua Poly
04/2009/398D
What is the problem in manual student attendance monitoring system?
It's not very effective and time consuming. Try Alosko - it's free and easy to use, plus it check geographical location of the students.
