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What else can I help you with?
Is a data table the same as a database?
No. A table is the primary object used within a database to store data. A typical database will consist of many tables.
How functional dependency is related to database table design?
The functional dependency is related to the database table design through the foreign and primary keys. The foreign and primary keys are functionally dependent on each other.
In a database a field that uniquely identifies a particular record in a table is called?
In a database, a field that uniquely identifies a particular record in a table is called
How do you create a primay key in Oracle?
You can create a primary key column in an oracle table using the PRIMARY KEY keyword. Assuming you have an employee table that has employee information and has a column called emp_num. you can create a primary key in the table using the below command. ALTER TABLE tbl_employee_info add CONSTRAINT emp_pk PRIMARY KEY (emp_num) If you execute the above command in your database, emp_num will become the primary key of the table tbl_employee_info.
What is typically unique in each database table?
ID number
What is the meaning of key in database?
A key is one or more fields in a database table which can be used to help identify a particular row of the table. A primary key is one such that uniquely defines a single given row. A foreign key is a set of one or more fields in one table which is the primary key to a row of another table.
What is database table and filter?
Filters-filters look for specific information within a database regarding a subject.
Information is stored in what type of object in a database?
table
What is a primary key what is its purpose and why do you use it?
What is a Primary Key?The PRIMARY KEY constraint uniquely identifies each record in a database table.Primary keys must contain unique values.A primary key column cannot contain NULL values.Each table should have a primary key, and each table can have only ONE primary key.The primary key is defined by using the PRIMARY KEY constraint when either creating a table or altering a table.*Example of primary key :- customer Nowhat is its purpose and why do you use it?In relational database design, a unique key or primary key is a candidate key to uniquely identify each row in a table.
What is the relational database?
Relational database: Relational database means a collection data stored in different tables and each table are linked together by using primary key and foreign key. In relational database, data can be accessed from one table to another without reorganising the required table. The relational database was invented by E. F. Codd at IBM in 1970.
Example of primary key and foreign key?
primary key means unique as well as non-nullable field for a table it supposed don't have duplicate value. foreign key means is referential field in a table meanwhile is primary key for another table.
How does a database manage information?
A database manages information by filtering to select a smaller set of data., sorting it to put the data in a logical oder or providing summary statistic in reports. In 'MS Access' it is the database table which manages the information. The table uses the database software to produce a set of records, which can then be organised. Hope this helped - YM -
