…………. is a field which is used as a primary key and numbers each record sequentially. -Technology

…………. is a field which is used as a primary key and numbers each record sequentially. -Technology
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AutoNumberis a field which is used as a primary key and numbers each record sequentially.
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Primary key field gives us permission to record duplicate entry. -Technology

Description : Primary key field gives us permission to record duplicate entry. -Technology

Last Answer : False A primary key is a key which identifies records uniquely in a table so it does not give us permission to record duplicate entry.

A primary key field does not allow numbers. -Technology

Description : A primary key field does not allow numbers. -Technology

Last Answer : False Primary key has to identify a unique value which can be present in a table, in a number form also. It means primary key field allow number too.

Key field is a unique identifier for each record. It is defined in the form of (a) rows (b) columns -Technology

Description : Key field is a unique identifier for each record. It is defined in the form of (a) rows (b) columns -Technology

Last Answer : (b) Key is a data item that allows you to uniquely identify individual occurrences which is defined as the column or set of columns.

Primary key is used to …………….. identify the record. -Technology

Description : Primary key is used to …………….. identify the record. -Technology

Last Answer : Primary key is used to uniquelyidentify the record.

What numbers of items cannot be listed sequentially in 4 columns (see details)?

Description : What numbers of items cannot be listed sequentially in 4 columns (see details)?

Last Answer : Wow…watching!

What is the name of the column heading for each category in a data source? (a) Data field (b) Field (c) Field name (d) Record -Technology

Description : What is the name of the column heading for each category in a data source? (a) Data field (b) Field (c) Field name (d) Record -Technology

Last Answer : (c) Field name is the name of the column heading for each category in a data source.

What is a primary key? -Technology

Description : What is a primary key? -Technology

Last Answer : A field which uniquely identifies each record in a table is known as the primary key. e.g. emp id is the primary key of the Employee table.

Define primary key with an example. -Technology

Description : Define primary key with an example. -Technology

Last Answer : A field which uniquely identifies each record in a table is known as the primary key. e.g. emp id is the primary key of the Employee table.

What is primary key? Give an example. -Technology

Description : What is primary key? Give an example. -Technology

Last Answer : A field which uniquely identifies each record in a table is known as the primary key. e.g. emp id is the primary key of the Employee table.

What is a primary key in database? Give an example. -Technology

Description : What is a primary key in database? Give an example. -Technology

Last Answer : A field which uniquely identifies each record in a table is known as the primary key. e.g. emp id is the primary key of the Employee table.

Give one advantage of using primary key. -Technology

Description : Give one advantage of using primary key. -Technology

Last Answer : A primary key uniquely identifies the record in the table.

What is the significance of a primary key? -Technology

Description : What is the significance of a primary key? -Technology

Last Answer : A primary key cannot allow null values and must have a unique index.

What is the utility of primary key in database? Write distinct features of primary keys. -Technology

Description : What is the utility of primary key in database? Write distinct features of primary keys. -Technology

Last Answer : The primary key is used to uniquely identify the record in a database. It can be a column or a set of columns in the table.Main features of the primary key are as follows:1. It must contain a unique value for each record of the table.2. It does not contain null values.

Which of the following fields will not make a suitable primary key? (a) A customer’s account number -Technology

Description : Which of the following fields will not make a suitable primary key? (a) A customer’s account number -Technology

Last Answer : (b) From the given options, the data field can not be set as a primary key because it can’t be fixed for an object.

The candidate key, which is not used as primary key is called ………….. key. -Technology

Description : The candidate key, which is not used as primary key is called ………….. key. -Technology

Last Answer : The candidate key, which is not used as primary key is calledalternate key.

A primary key value can be NULL. -Technology

Description : A primary key value can be NULL. -Technology

Last Answer : False The primary key of table is used to uniquely identify each and every row in the table. So, its all keys and columns must be defined as NOT NULL.

A foreign key is a primary key in another table. -Technology

Description : A foreign key is a primary key in another table. -Technology

Last Answer : True When a table’s primary key field is added to a related table in order to create the common field which relates two tables, it is called a foreign key in the related table.

What is a primary key? How do we set a primary key? -Technology

Description : What is a primary key? How do we set a primary key? -Technology

Last Answer : Primary key is the key which is used to uniquely identify the records into the table. To set the primary key you have to follow the steps given below:Step 1 Select the field that you want ... 2 Click Primary Key button from the Design tab.orRight click on the selected field and select Primary Key.

Define primary key. How do you set it in MS_Access? -Technology

Description : Define primary key. How do you set it in MS_Access? -Technology

Last Answer : Primary key is the key which is used to uniquely identify the records into the table. To set the primary key you have to follow the steps given below:Step 1 Select the field that you want ... 2 Click Primary Key button from the Design tab.orRight click on the selected field and select Primary Key.

What is a primary key in a table? -Technology

Description : What is a primary key in a table? -Technology

Last Answer : A primary key is a special relational database table column (or combination of columns) designated to uniquely identify each & every table record. It does not contain NULL & duplicate values

Write any one similarity and one difference between primary key and unique Constraint. -Technology

Description : Write any one similarity and one difference between primary key and unique Constraint. -Technology

Last Answer : Similarity: Column with both the constraints will only take unique values.Difference: Column with Primary key constraints will not be able to hold NULL values while Column with Unique constraints will be able to hold NULL values.

Identify the primary key column of Train and Reservation. -Technology

Description : Identify the primary key column of Train and Reservation. -Technology

Last Answer : (i) Train-TrainIdReservation-RefNo(ii) (d) By default, the UNION operator selects all the values.

Write any one similarity and one difference between primary key and unique Constraint -Technology

Description : Write any one similarity and one difference between primary key and unique Constraint -Technology

Last Answer : Similarity: Column with both the constraints will only take unique values.Difference: Column with Primary key constraints will not be able to hold NULL values while Column with Unique constraints will be able to hold NULL values.

Distinguish between a record and a field in a table, with an example. -Technology

Description : Distinguish between a record and a field in a table, with an example. -Technology

Last Answer : Distinguish between a record and a field in a table are as follows:RecordFieldIt is a collection of data items, which represent a complete unit of information about a thing or a person.It is an ... called a record.e.g. if Employeeis a table, then empId, empName, department, salary arethe fields.

Which field property specifies whether the field can be left empty when entering data into a record? -Technology

Description : Which field property specifies whether the field can be left empty when entering data into a record? -Technology

Last Answer : Required property.

A text field is initially 40 characters long and one record has an entry in this field in MS_Access database. -Technology

Description : A text field is initially 40 characters long and one record has an entry in this field in MS_Access database. -Technology

Last Answer : Since the new field length is 20 characters long. So, this field will contain only left 20 characters including spaces and the remaining data will be discarded. Thus, the data from the right side of the field will be lost.

What happens when you enter numbers in a Text data type field? -Technology

Description : What happens when you enter numbers in a Text data type field? -Technology

Last Answer : Numbers are accepted as a text value.

How are fields, record and a table related to each other? Explain with the help of an example. -Technology

Description : How are fields, record and a table related to each other? Explain with the help of an example. -Technology

Last Answer : Fields are one type of information. A record contains logically related fields. A table Emp name contains logically related records.Emp NoNameSalary1.Shridhar200002.Raghav40000Here EmpNo, Name, and Salary are three different fields. 1, Shridhar, 20000 represents one complete record.

What takes more total elapsed time? Torrenting sequentially or torrenting simultaneously?

Description : What takes more total elapsed time? Torrenting sequentially or torrenting simultaneously?

Last Answer : Theoretically, it should not make a difference. But practically, assuming sequential downloading, the torrents may not all download at full speed, due to seed and peer differences between them, so downloading simultaneously should be faster.

How can i control 4 sprinkler valves so that they actuate sequentially every 2-3 minutes, one at a time?

Description : How can i control 4 sprinkler valves so that they actuate sequentially every 2-3 minutes, one at a time?

Last Answer : Rewire the timer circuitry on a rainbird?

The rate of the reaction is influenced by the hyperconjugation effect of group R. If R is sequentially `CH_(3)^(-)` (II) `CH_(3)-CH_(2)` (III) `CH_(3)

Description : The rate of the reaction is influenced by the hyperconjugation effect of group R. If R is sequentially `CH_(3)^(-)` (II) `CH_(3)-CH_(2)` (III) `CH_(3)

Last Answer : The rate of the reaction is influenced by the hyperconjugation effect of group R. If R is sequentially `CH_(3)^(-)` ... ii) D. (iii), (ii), (i), (iv)

In latest generation computers, the instructions are executed A) Parallel only B) Sequentially only C) Both sequentially and parallel D) All of above

Description : In latest generation computers, the instructions are executed A) Parallel only B) Sequentially only C) Both sequentially and parallel D) All of above

Last Answer : Answer : C

In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above

Description : In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above

Last Answer : Both sequentially and parallel

As the molecular weight of alkanes increases, how do the boiling point and melting point change? (a) boiling point increases ; melting point increases. (b) boiling point increases ; melting point increases. (c) boiling point increases ; melting point decreases (d) boiling point increases ; melting point increases sequentially for alkanes over four carbons.

Description : As the molecular weight of alkanes increases, how do the boiling point and melting point change? (a) boiling point increases ; melting point increases. (b) boiling point increases ; ... decreases (d) boiling point increases ; melting point increases sequentially for alkanes over four carbons.

Last Answer : boiling point increases ; melting point increases sequentially for alkanes over four carbons.

Pick up the incorrect statement from the following a. The activity which consumes maximum time, is called a node b. The activity is the time consuming part of a project c. The beginning and end of a job, are called events d. Logically and sequentially connected activities and events form a network

Description : Pick up the incorrect statement from the following a. The activity which consumes maximum time, is called a node b. The activity is the time consuming part of a project c. The beginning ... of a job, are called events d. Logically and sequentially connected activities and events form a network

Last Answer : a. The activity which consumes maximum time, is called a node

Pick up the incorrect statement from the following: (A) The activity is the time consuming part of a project (B) The beginning and end of a job, are called events (C) The activity which consumes maximum time, is called a node (D) Logically and sequentially connected activities and events form a network

Description : Pick up the incorrect statement from the following: (A) The activity is the time consuming part of a project (B) The beginning and end of a job, are called events (C) The activity ... maximum time, is called a node (D) Logically and sequentially connected activities and events form a network

Last Answer : (C) The activity which consumes maximum time, is called a node

In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above

Description : In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above

Last Answer : c. Both sequentially and parallel

A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with extra mercury to give easier manipulative qualities C. Several small mixes, sequentially triturated D. Several small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

Description : A large amalgam core is to be condensed around several pins in a vital molar tooth; what type of amalgam mix would you prefer: A. A large mix to ensure homogeneity B. A large with ... small mixes with varying mercury/alloy ratios E. A basic mix to which additional mercury is added as needed

Last Answer : C. Several small mixes, sequentially triturated

In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above

Description : In latest generation computers, the instructions are executed a. Parallel only b. Sequentially only c. Both sequentially and parallel d. All of above

Last Answer : c. Both sequentially and parallel

The ends from warp beam have to be drawn through which of the following part sequentially: a. Headles b. Shuttle c. Drawing d. Cloth beam

Description : The ends from warp beam have to be drawn through which of the following part sequentially: a. Headles b. Shuttle c. Drawing d. Cloth beam

Last Answer : a. Headles

The primary succession refers to the development of communities on a (a) forest clearing after devastating fire (b) newly-exposed habitat with no record of earlier vegetation (c) freshly cleared crop field (d) pond, freshly filled with water after a dry phase.

Description : The primary succession refers to the development of communities on a (a) forest clearing after devastating fire (b) newly-exposed habitat with no record of earlier vegetation (c) freshly cleared crop field (d) pond, freshly filled with water after a dry phase.

Last Answer : (b) newly-exposed habitat with no record of earlier vegetation

In an ordered list, each item cannot be preceded with (a) Counting numbers -Technology

Description : In an ordered list, each item cannot be preceded with (a) Counting numbers -Technology

Last Answer : (d) In an unordered list, bullets are used while counting numbers, Arabic numbers and Roman numbers are used in an ordered list.

What is a composite primary key field ?

Description : What is a composite primary key field ?

Last Answer : Answer : A combination of two or more attributes or keys can collectively identify an NTT set, but they are called composite primary keys.

What is the primary key field ?

Description : What is the primary key field ?

Last Answer : The field in the data table by which the values ​​of a record can be completely distinguished from other records is called the primary key.

Mark correct option a) In Head Record offices one key of the safe will be retained in the custody of HRO and other one is Accountant. b) The insured seal supplied to the set of mail office should be kept in the personal custody of Head Sorting assistant c) Each set of section is supplied with a portfolio with lock & key bearing designation of section d) All the above are correct.

Description : Mark correct option a) In Head Record offices one key of the safe will be retained in the custody of HRO and other one is Accountant. b) The insured seal supplied to the set of mail office ... supplied with a portfolio with lock & key bearing designation of section d) All the above are correct.

Last Answer : d) All the above are correct.

Technology: What is the best way to record a lecture/class?

Description : Technology: What is the best way to record a lecture/class?

Last Answer : Your phone is probably the best tool for the job. But if you don’t have one (or have one of those old flip-phones), you can get a recorder. My wife uses this to record lectures.

A Web page is located using a (a) Universal Record Linking (b) Uniform Resource Locator -Technology

Description : A Web page is located using a (a) Universal Record Linking (b) Uniform Resource Locator -Technology

Last Answer : (b) URL (Uniform Resource Locator) specifies the location of a specific Web page on the Internet.

A computer is a mechanical machine, which is used only for record keeping. -Technology

Description : A computer is a mechanical machine, which is used only for record keeping. -Technology

Last Answer : FalseComputer is an electronic device that has the ability to store, retrieve and process data.

Computer based record keeping system is known as (a) Data Manipulation System -Technology

Description : Computer based record keeping system is known as (a) Data Manipulation System -Technology

Last Answer : (d) DBMS is a collection of programs that enable the user to create and maintain the database. Also, it is a computer-based record keeping system.

RDBMS provides relational operators to manipulate the data. Here, RDBMS refers to (a) Record Database Management System -Technology

Description : RDBMS provides relational operators to manipulate the data. Here, RDBMS refers to (a) Record Database Management System -Technology

Last Answer : (b) RDBMS stands for Relational Database Management System, which provides the operator to manipulate the data stored in the database table.