What is stale data?

Q: Define record group?

A: A record group is an internal form builder data structure that has a row/column framework similar to…

Q: What is data Volume?

A: Answer: A data volume is basically known as the amount of data in a file or database. It basically…

Q: What is normalization, and why is it necessary?

A: Normalization Normalization is an important part of relational database design. It is the process…

Q: When someone claims that the data granularity has been specified, what precisely do they mean by…

A: Granularity is a phrase that originates from the field of computer science and refers to the process…

Q: What do you specifically mean by "Data Purging"?

A: Answer: Database management systems use the practise of data cleansing to preserve pertinent data in…

Q: Do Bitmap indexes provide any advantages over traditional indexes?

A: Introduction:- Bitmap indexes are a sort of database index that employs bit arrays, which are…

Q: What does the data warehouse's time variant feature imply?

A: Answer. Data warehouse's time variant feature imply: "Time variant" means that the data warehouse is…

Q: ta quality issues arise when converting data types?

A: Data quality issues arise when converting data types are:

Q: How is a data race defined precisely

A: Data race The Thread Analyzer recognizes information races that happen during the execution of a…

Q: what are User-defined data types ?

A: User-defined data types: The user-defined data type is a data type which derived from an existing…

Q: What is the definition of data granularity?

A: Data Granularity: Granularity is a term used in computer science to describe the breaking down of…

Q: Which data structure is most commonly used to index databases?

A: Index databases: A table index is a data structure that will provide a mechanism by which the table…

Q: What is a data sublanguage?

A: Given:-   What is a data sublanguage?

Q: What does data purging mean?

A: Below i explain the answer in my own words by which you understand it well.

Q: What is the exact difference between Repository and Data Dictionary?

A: We will be seeing about Data Dictionary and Repository as terms and how are they different from each…

Q: In what ways does data independence come into play?

A: Intro In what ways does data independence come into play?

Q: what is invalid data?

A: Data validation: - It is the method of verifying the accuracy and consistency of the data from…

Q: somman used to list contents of directories?

A: Is command is used to list contents of directories  Hence option (4) is true. Use the ls command to…

Q: what is Dataset ?

A: A Dataset can be seen as the collection of different data. Commonly, the Dataset relates to the…

Q: Explain the difference between a shallow copy and a deep copy of data.

A: They differ in copying the pointer variable. If, for example, “first” and “sec” are integer pointers…

Q: What is the difference between a repository and a data dictionary?

A: A repository is simply a centralized place for the storage and maintenance of data. The primary…

Q: Describe a data dictionary and identify the many sorts of information it includes.

A: here in the question they ask for a describe data dictionary.

Q: What does normalization entail?

A: To be determine: Define Normalization

Q: what is normalization?

A: The answer is given below ???

Q: What exactly is a data race?

A: Introduction: A data race happens when two or more threads in the same process simultaneously visit…

Q: A single collection of data stored in one place is called a data center; True or False

A: A facility, centralized the IT operations and equipment of an organization to sort, process and…

Q: What is normalization?

A: Answer :- Normalization is a database design technique that reduces data redundancy and eliminates…

Q: What is swapping and what is its purpose?

A: What is swapping and what is its purpose?

Q: Describe a data dictionary and list the types of information it contains.

A: Data Dictionary: A Data Dictionary is considered as a storehouse for information about system's…

Q: Which advantages does Quinlan point out in (1995) about stored procedures?

A:

Q: Which data structures is most commonly used to index databases ?

A: Databases for indexing:A table index is an information structure that provides a technique for…

Q: What is PartItIonIng data?

A: Partitioning:  Partitioning is dividing of hold on information objects (tables, indexes, views) to…

Q: But what does it mean precisely to be data independent, anyway?

A: Data is raw facts , figures which upon filtration gives information.

Q: There are _________ levels of data independence. a. 2 b. 1 c. 4 d. 3

A: Exрlаnаtiоn:  Twо  Levels  оf  dаtа  indeрendenсe  аre  -  Рhysiсаl  аnd  Lоgiсаl  dаtа…

Q: What are the most critical tasks in data preprocessing?

A: Introduction: Data preparation is the process of converting raw data into an understandable format.…

Q: What exactly do you mean by Data Purging?

A: Introduction: Data purging is a method that deletes inactive or obsolete records from a database…

Q: Why do operating systems typically zero-fill pages used for uninitialized data?

A: Uninitialized data: The uninitialized data will normally be adjacent to the data segment. The…

Q: What does the data warehouse time variant feature imply?

A: Data Warehouse - You must have heard of the warehouse earlier which basically means a place to store…

Q: What difficulties exist while working with massive datasets?

A: Introduction   Big data is a method of gathering, storing, and analyzing large datasets, as well as…

Q: When someone claims that data granularity has been specified, what precisely does it mean?

A: Granularity of the data: What exactly does "Data Granularity" mean? A data structure's amount of…

Q: Which of the DBLC's six steps does the data dictionary contribute to?

A: Database initial study, design, implementation and loading, testing and evaluation, operation,…

Q: What exactly is the role of the data dictionary?

A: Data dictionary may be defined as follows: A data dictionary is a collection of data element and…

Q: What are the most important jobs in data preprocessing?

A: Introduction: Data preparation is the process of transforming raw data into a format that can be…

Q: What do you mean by "Data Purging"?

A: Introduction: Data purging is a technique for permanently removing inactive or old records from a…

Q: What Is data race?

A: Data race: Data race is a situation in which at least two threads access a shared variable at a…