Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 806 |
The data manipulation language(DML)
| refers to data using physical addresses | |
| cannot interface with high-level programming language | |
| is used to define the physical characteristics of each record | |
| none of these |
Question 806 Explanation:
● A data manipulation language (DML) is a computer programming language used for adding (inserting), deleting, and modifying (updating) data in a database.
● A DML is often a sublanguage of a broader database language such as SQL, with the DML comprising some of the operators in the language.
● Read-only selecting of data is sometimes distinguished as being part of a separate data query language (DQL), but it is closely related and sometimes also considered a component of a DML. some operators may perform both selecting (reading) and writing.
● A popular data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database.
● Other forms of DML are those used by IMS/DLI, CODASYL databases, such as IDMS and others.
● A DML is often a sublanguage of a broader database language such as SQL, with the DML comprising some of the operators in the language.
● Read-only selecting of data is sometimes distinguished as being part of a separate data query language (DQL), but it is closely related and sometimes also considered a component of a DML. some operators may perform both selecting (reading) and writing.
● A popular data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database.
● Other forms of DML are those used by IMS/DLI, CODASYL databases, such as IDMS and others.
Correct Answer: D
Question 806 Explanation:
● A data manipulation language (DML) is a computer programming language used for adding (inserting), deleting, and modifying (updating) data in a database.
● A DML is often a sublanguage of a broader database language such as SQL, with the DML comprising some of the operators in the language.
● Read-only selecting of data is sometimes distinguished as being part of a separate data query language (DQL), but it is closely related and sometimes also considered a component of a DML. some operators may perform both selecting (reading) and writing.
● A popular data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database.
● Other forms of DML are those used by IMS/DLI, CODASYL databases, such as IDMS and others.
● A DML is often a sublanguage of a broader database language such as SQL, with the DML comprising some of the operators in the language.
● Read-only selecting of data is sometimes distinguished as being part of a separate data query language (DQL), but it is closely related and sometimes also considered a component of a DML. some operators may perform both selecting (reading) and writing.
● A popular data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database.
● Other forms of DML are those used by IMS/DLI, CODASYL databases, such as IDMS and others.