A Secondary Key Is Which of the Following

However it is considered a candidate key for the primary key. Therefore a candidate key not selected as a primary key is called secondary key.

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A The concluding paragraph has a call to action.

. A table may have a primary key that is system generated and a secondary key that comes from the sources and other processes. For Example STUD_NO as well as STUD_PHONE both are candidate keys for relation STUDENT but STUD_NO can be chosen as the primary key only one out of many candidate keys. How many sections are there in a Query Design window.

A television documentary c. It depends upon the requirements and is done by the Database Administrator DBA. Secondary key values may be the same for different rows in a table.

Secondary data sets are often available and accessible. Which one of the following uniquely identifies the elements in the relation. What is a Secondary Key.

Primary immunofluorescence but not secondary uses a form of light microscopy to excite the fluorophore b. D Alternate Key. A directory of Objective Type Questions covering all the Computer Science subjects.

To represent the relationships between the various tables in the database generally the foreign key is used. To achieve social and economic stability d. Which view gives more control over a query.

The data may have been collected with reference to research questions that are not those of the researcher. The list that I will point out is also some sort of a proof check for when you re shopping for your drugs These components are proven to be efficient and many of the tablets that comprise them are literally trustworthy Now you. It can be used to identify the record and it is usually indexed.

It is made on a field to be indexed for faster searches. It is selected from a set of candidate keys. That is the secondary key.

Choose one or more statements that can correctly describe the concept of secondary key. A surrogate key is a system-assigned primary key generally numeric and auto-incremented. A directory of Objective Type Questions covering all the Computer Science subjects.

Primary key 3Determines the tablespace required 4. View Answer Report Discuss Too Difficult. The primary key is the minimal set of attributes which uniquely identifies any row of a table.

Determines the tablespace required. To serve as key instrument of social control b. Which of the following is a key difference between primary and secondary immunofluorescence.

A _____ is a property of the entire relation rather than of the individual tuples in which each tuple is unique. Which one of the following uniquely identifies the elements in the relation. To effect a more equitable distribution of wealth c.

Every value in a table is guaranteed to be accessible through a combination of table name primary key value and column name. To raise revenue to defray the necessary expenses of the government 16. The database must support set-level inserts updates and deletes.

Candidate key is an attribute or set of attributes that you can consider as a Primary key. A secondary key is which of the following. Which of the following is the column or collection of columns that uniquely identifies a given row in that table.

A secondary key is which of the following. B Two c Three. Secondary key has to be unique for each row in a table.

DBMS Objective type Questions and Answers. A directory of Objective Type Questions covering all the Computer Science subjects. Secondary Key Primary key Composite key Foreign key.

A secondary key is which of the following. It is a candidate key that is not selected as primary key. DBMS Objective type Questions and Answers.

49 Which of the following keys is generally used to represents the relationships between the tables. Are There Vyprimax Male Enhancement Side Effects Viagra Enhanced Male Pills Which Of The Following Is A Secondary Sexual Characteristic. A surrogate key is a secondary key created by the database designer to simplify the identification of entity instances.

Select one or more. Which of the following statements about the framework of a deductive business messsage are accurate. Primary Key is usually used as a secondary key.

Any view is. It is also termed as Alternate key. ID email enroll_no If we select Id as primary key then email and enroll_no becomes secondary key of the relation.

Any candidate key can become a primary key. Secondary Key is the key that has not been selected to be the primary key. The researchers research diary d.

The surrogate key provides a meaning in the users environment. Which key helps to run a query. Secondary Key is not a.

Electronics Bazaar is one of best Online Shopping Store in India. In the following Database Design Language DBDL notation what does SK stand for mployees EmpID LastName FirstName SSN DeptNum AK SSNSK LastName FirstName FK DeptNum à Departments - SQL key - Subkey - Secondary key - Start key. Secondary Key.

B F5 c F6. A relational database handles entities attributes and relationships by sorting each entity in its own row. The primary key cannot have a NULL value.

B The primary message is placed only in the concluding paragraph after explanations are given. Which key defines a relationship between two tables. Secondary key is used for data retrieval purpose.

All of the following are sources of secondary data EXCEPT. Which of the following is not a valid Codds Relational Database rule. Secondary key Candidate key Foreign key Alternate key.

Useful for denormalization decisions 2. A Design View b. C There are supporting paragraphs for each key point.

DBMS Objective type Questions and Answers. A Foreign key b Primary key. Useful for denormalization decisions.

There can be more than one candidate key in relation out of which one can be chosen as the primary key. Nonunique key Primary key Useful for denormalization decisions Determines the tablespace required. None of the above.

Which of the following is not a secondary purpose of taxation. Which of the following is an attribute that can uniquely identify a row in a table. A column whose value uniquely identifies a given row in the table is the secondary key.

Options is. For example we have schema. A surrogate key is an intrinsic key generated by the DBMS.

StudentId email enroll_no name Candidate key of this relation is. Therefore the correct answer is the foreign key. Under this basic principle of sound tax system the government should not incur a deficit a.

A candidate key is a super key but vice versa is not true.

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Primary And Secondary Sources Quiz Primary And Secondary Sources Secondary Source Secondary

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