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What is a logical data element?


  1. What is a logical data element?
  2. What is the basic element of a database?
  3. What is a data Basic?
  4. What represents a collection of attributes that describe an entity?
  5. What is logical data format?
  6. What is logical data and physical data?
  7. What are the main two elements of database?
  8. What are the four elements of a database?
  9. What are the data types?
  10. What is the use of data?
  11. What is logical organization of data?
  12. What is logical data map?
  13. What is logical data in DBMS?
  14. What is the most important element in database?
  15. What are the types of data elements?
  16. What are data type in database?
  17. Which term is used to describe the logical structure of a database?
  18. Which of the following gives a logical structure of the database graphically?
  19. What is the type of data?
  20. What are the 3 types of data?
  21. What is the most important type of data?
  22. What is known as nominal data?
  23. What does a Multifield transformation do?
  24. Is held in the catalog of the warehouse database system?
  25. What is the data type of 1?
  26. What are the basic data types in SQL?
  27. What are called the data elements?
  28. How many types of data elements are there?
  29. What is a logical representation?
  30. Why is table the most important in database?
  31. What is logical data model in database?
  32. Which of the following gives a logical structure?
  33. Which one of the following refers to the data about data?
  34. What are the main categories of data?
  35. What is an ordinal data type?
  36. What is nominal or ordinal data?
  37. What is logical data representation example?
  38. Which of the following gives a logical structure of the data graphically?
  39. Which of the following can be defined as elements of data?
  40. Which of the following is a data model?

What is a logical data element?

A logical data model establishes the structure of data elements and the relationships among them. It is independent of the physical database that details how the data will be implemented. The logical data model serves as a blueprint for used data.

What is the basic element of a database?

The five major components of a database are hardware, software, data, procedure, and database access language.

What is a data Basic?

A database is an organized collection of structured information, or data, typically stored electronically in a computer system. A database is usually controlled by a database management system (DBMS). Most databases use structured query language (SQL) for writing and querying data.

What represents a collection of attributes that describe an entity?

Record - a record represents a collection of attributes that describe a real-world entity. A record consists of fields, with each field describing an attribute of the entity.

What is logical data format?

Logical files do not contain data. They contain a description of records found in one or more physical files. A logical file is a view or representation of one or more physical files. Logical files that contain more than one format are referred to as multi-format logical files.

What is logical data and physical data?

A logical data model is a model that describes data as much as possible, without regard to how they will be physically implemented in the database. In contrast, a physical data model is a model that represents how the actual database is built. Hence, this is the main difference between logical and physical data model.

What are the main two elements of database?

The Elements of a DatabaseThe database schema.Schema objects.Indexes.Tables.Fields and columns.Records and rows.Keys.Relationships.

What are the four elements of a database?

Four Elements of Data: Volume, velocity, variety, and veracity – Effective Database Management.

What are the data types?

6 Types of Data in Statistics & Research: Key in Data ScienceQuantitative data. Quantitative data seems to be the easiest to explain. Qualitative data. Qualitative data can't be expressed as a number and can't be measured. Nominal data. Ordinal data. Discrete data. Continuous data.

What is the use of data?

Data allows organizations to measure the effectiveness of a given strategy: When strategies are put into place to overcome a challenge, collecting data will allow you to determine how well your solution is performing, and whether or not your approach needs to be tweaked or changed over the long-term.

What is logical organization of data?

A logical data model represents the organization of a set of data by standardizing the people, places, things (entities) and the rules and relationships between them using a standard language and notation.

What is logical data map?

A logical map is a map, diagram, or graph with predefined areas for interaction. Using a logical map, you can filter, rank, and select asset content based on context. You can also index, aggregate, and integrate information across different domains and sources. Logical maps can be processed as mathematical graphs.

What is logical data in DBMS?

A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product or storage technology (physical data model) but in terms of data structures such as relational tables and columns, object-oriented classes, or XML tags.

What is the most important element in database?

tableA schema object is an object that resides within a schema. The most typical object found in a database is a table. Other types of objects can reside in a schema, such as indexes, constraints, views, and procedures. The table is the most fundamental element found in a database schema.

What are the types of data elements?

Data Elements (The Data Repository)Data TypeMeaningDecimal, numericNumeric data that are accurate to the least significant digit, can contain a whole and decimal portionFloat, realFloating-point values that contain an approximate decimal valueInt, smallint, tinyintOnly integer (whole digit) data

What are data type in database?

A data type is a description of the kind of data in a table column. Each database system recognises its own set of datatypes, although some are common to many. Typical examples will be Integer or Text.

Which term is used to describe the logical structure of a database?

A logical data model or logical schema is a data model of a specific problem domain expressed independently of a particular database management product or storage technology (physical data model) but in terms of data structures such as relational tables and columns, object-oriented classes, or XML tags.

Which of the following gives a logical structure of the database graphically?

The Entity-Relationship diagram gives a logical structure of the database graphically.

What is the type of data?

4 Types of Data: Nominal, Ordinal, Discrete, Continuous.

What are the 3 types of data?

There are Three Types of DataShort-term data. This is typically transactional data. Long-term data. One of the best examples of this type of data is certification or accreditation data. Useless data. Alas, too much of our databases are filled with truly useless data.

What is the most important type of data?

The types of data proven to be most valuable to companies are customer data, IT data, and internal financial data.

What is known as nominal data?

Nominal data is “labeled” or “named” data which can be divided into various groups that do not overlap. Data is not measured or evaluated in this case, it is just assigned to multiple groups. These groups are unique and have no common elements. In some cases, nominal data is also called “Categorical Data”.

What does a Multifield transformation do?

Multifield transformation converts data from one field into multiple fields, multiple fields into one field, and multiple fields into multiple fields. This type of transformation is very common in data warehouse applications.

Is held in the catalog of the warehouse database system?

Q.________________ is held in the catalog of the warehouse database system.B.algorithmic level metadata.C.departmental level metadata.D.core warehouse metadata.Answer» b. algorithmic level metadata.

What is the data type of 1?

Discussion ForumQue.What is the data type of (1)?b.Integerc.Listd.Both tuple and integerAnswer:Integer

What are the basic data types in SQL?

Data types in SQL Server are organized into the following categories:Exact numerics. Unicode character strings.Approximate numerics. Binary strings.Date and time. Other data types.Character strings.bigint. numeric.bit. smallint.decimal. smallmoney.int. tinyint.

What are called the data elements?

In metadata, the term data element is an atomic unit of data that has precise meaning or precise semantics. A data element has: An identification such as a data element name. Optional enumerated values Code (metadata) A list of synonyms to data elements in other metadata registries Synonym ring.

How many types of data elements are there?

Each data element is of one of two types: simple or compound.

What is a logical representation?

1. A specification of data structures according to the features of the given logical model, such as relational or object-relational.

Why is table the most important in database?

A relational database is made up of several components, of which the table is most significant. The database table is where all the data in a database is stored, and without tables, there would not be much use for relational databases.

What is logical data model in database?

A logical data model is a model that is not specific to a database that describes things about which an organization wants to collect data, and the relationships among these things.

Which of the following gives a logical structure?

1. Which of the following gives a logical structure of the database graphically? Explanation: E-R diagrams are simple and clear—qualities that may well account in large part for the widespread use of the E-R model.

Which one of the following refers to the data about data?

Metadata represents Data about Data that means it describes information about another Data.

What are the main categories of data?

The Two Main Flavors of Data: Qualitative and Quantitative At the highest level, two kinds of data exist: quantitative and qualitative. Quantitative data deals with numbers and things you can measure objectively: dimensions such as height, width, and length. Temperature and humidity.

What is an ordinal data type?

Ordinal data is a statistical type of quantitative data in which variables exist in naturally occurring ordered categories. The main difference between nominal and ordinal data is that ordinal has an order of categories while nominal doesn't.

What is nominal or ordinal data?

Nominal data is a group of non-parametric variables, while Ordinal data is a group of non-parametric ordered variables. But when placed on a scale and arranged in a given order (very hot, hot, warm, cold, very cold), they are regarded as ordinal data.

What is logical data representation example?

For example, a simple logical data model for a retail company can organize all necessary facts by store, product, and time, which are three common business perspectives typically associated with a retail business. Logical data models are independent of a physical data storage device.

Which of the following gives a logical structure of the data graphically?

The Entity-Relationship diagram gives a logical structure of the database graphically.

Which of the following can be defined as elements of data?

In metadata, the term data element is an atomic unit of data that has precise meaning or precise semantics. A data element has: An identification such as a data element name. Optional enumerated values Code (metadata) A list of synonyms to data elements in other metadata registries Synonym ring.

Which of the following is a data model?

Discussion ForumQue.Which of the following is a Data Model?b.Relational data modelc.Object-Based data modeld.All of the aboveAnswer:All of the above



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