Foreign key

countries limit foreign control of key industries? Companies want to make direct investment because in that way they can control parts of the companies. Even though companies want to do that, there are governments who protect domestic companies, mostly for the reason to protect the majority of the society. Companies are willing to take over control keys in industries for 3 different reasons: - Freedom to pursue global objectives This is of use when a company owns the whole foreign company; they

Foreign Direct Investment as a key component of economic globalization could play a prominent role in stimulating economic growth through capital formation, technology transfer and enhancing employment opportunities in the developing countries like Nepal. Nepal and India both have liberalized foreign investment policies that would help promote FDI in Nepal (Dahal et.al. 2004). Despite significant liberalization of the foreign investment regime and the introduction of attractive investment incentives

Address; CREATE TABLE Address ( id INT UNSIGNED NOT NULL AUTO_INCREMENT, details VARCHAR(100) NOT NULL, province VARCHAR(20) NOT NULL, country VARCHAR(20) NOT NULL, zip VARCHAR(20) NOT NULL, phone VARCHAR(20), PRIMARY KEY(id) ) ENGINE = InnoDB; # # Dumping data for table 'address ' # INSERT INTO Address (details, province, country, zip, phone) VALUES ( '123 King adward ', 'ON ', 'Canada ', 'K1E6T5 ' , '613-123-4567 '); INSERT INTO Address (details, province, country

A relational database is a collection of data which organized into a set of tables that can be accessed in multiple ways without having to reorganize the tables’ oftenly.Relational Database was proposed by Edgar Codd around the time 1969.It has become prevalent for commercial applications. In the 20th century there were countless Relational Database System (RDBMS) take for instance: IBM.DB2 and Oracle. Glossary The following are the main terms and concepts related to the named model: 1. Attributes

TABLE command. ANS: F PTS: 1 REF: 93 4. A constraint name can consist of up to 10 characters. ANS: F PTS: 1 REF: 93 5. A primary key is usually given the abbreviation _pk in the constraint name if the name is assigned by the user. ANS: T PTS: 1 REF: 93 6. Any constraint can be created at the table or the column level. ANS: F PTS: 1 REF: 94 7. A foreign key constraint can only be created at the column

presentation and must discuss the following. • Features: entities; attributes; relationships; • Entities: primary keys, foreign keys; referential integrity; attributes; • Attributes: field properties e.g. data types, size, validation rules • Relationships: one-to-many; one-to-one; many-to-many Relational database – This is a database that contains more than one table of which are linked using key fields. An example could be a library database which could have the ability to have 3 tables. To further this

P1 Explain the features of a relational database. Introduction: A company called Ian’s & Co currently employs a team of IT technicians to manage their IT infrastructure and also support the IT users. Also quite recently the company has taken over a similar but a smaller company which is also employs technical support staff in the same way. What is a relational database? Firstly a relational database contains a set of tables which basically are linked collectively by the relationships between the

This operation can’t be used. Because Ssn has been used as a foreign key of WORKS_ON, EMPLOYEE and DEPARTMENT relations ad deleting records with Ssn = ‘987654321’ will leave no corresponding entry for record in WORKS_ON relation. If we want to delete this data than we need to delete it from all the tables. h. Delete the PROJECT tuple with Pname = ‘ProductX’. Answer: This operation can’t be used. Because Pnumber has been used as a foreign key of WORKS_ON relation and deleting record with Pname = ‘ProductX’

What is a data base? This is a programme which collects large amounts of data and organises it eg, alphabetical order. It is run by a software called ‘Access’. It is most useful in businesses to retrieve information. It consists of different structures such as rows and columns. Each row corresponds to the data that is entered. Databases aren’t always used on a computer which is known as electronic but there are many other formats such as printed, graphic and audio. Queries are also used to search

Database Database, it is a place use to store lots of data. It can be seen as a filing cabinet. And database management system (DBMS) is software that specificity designs for managing the data in database such as create, update or delete them. General is including security, retrieval and backup features. User also allows using the data to create a report or share data with multi-user. MS Access is a database management system design by Microsoft. It offers user four important objects they are: