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Question-1. What is MUMPS?
Answer-1: MUMPS is a high-performance, hierarchical database and programming language designed for healthcare systems and large-scale applications.
Question-2. What is another name for MUMPS?
Answer-2: MUMPS is also known as "M" or "M Language."
Question-3. When was MUMPS developed?
Answer-3: MUMPS was developed in the late 1960s at Massachusetts General Hospital.
Question-4. What is MUMPS primarily used for?
Answer-4: MUMPS is primarily used in healthcare, financial systems, and database-driven applications.
Question-5. What type of language is MUMPS?
Answer-5: MUMPS is a procedural programming language with built-in database capabilities.
Question-6. What is the key feature of MUMPS?
Answer-6: Its key feature is its hierarchical and multi-dimensional database integration.
Question-7. How do you declare a variable in MUMPS?
Answer-7: Variables are declared implicitly when assigned a value, e.g., SET x=10.
Question-8. What is a global variable in MUMPS?
Answer-8: A global variable is a persistent variable stored in the database, starting with ^, e.g., ^patients.
Question-9. How do you define a function in MUMPS?
Answer-9: Use the SET command with a label, e.g., SET result=$PIECE(string,"-",2).
Question-10. How do you create a loop in MUMPS?
Answer-10: Use the FOR command, e.g., FOR i=1:1:10 WRITE i.
Question-11. What is the WRITE command in MUMPS?
Answer-11: The WRITE command outputs data to the terminal or file.
Question-12. What is the READ command in MUMPS?
Answer-12: The READ command takes user input from the terminal or file.
Question-13. How do you access global variables in MUMPS?
Answer-13: Use the caret symbol (^), e.g., ^patients("John Doe").
Question-14. What is the DO command in MUMPS?
Answer-14: The DO command is used to execute a subroutine or label block.
Question-15. What is a subroutine in MUMPS?
Answer-15: A subroutine is a block of code executed using the DO command, defined with a label.
Question-16. How do you handle errors in MUMPS?
Answer-16: Use the ZTRAP command to define an error handler, e.g., SET $ZTRAP="ErrorHandler".
Question-17. What is the IF command in MUMPS?
Answer-17: The IF command is used for conditional execution, e.g., IF x>10 WRITE "Large".
Question-18. What is the $PIECE function in MUMPS?
Answer-18: $PIECE extracts a substring from a string using a delimiter, e.g., $PIECE("A-B-C","-",2) returns B.
Question-19. How do you concatenate strings in MUMPS?
Answer-19: Use the underscore _, e.g., SET result="Hello "_ "World".
Question-20. What is the $FIND function in MUMPS?
Answer-20: $FIND returns the position of a substring within a string, e.g., $FIND("Hello","e").
Question-21. What is the role of NEW in MUMPS?
Answer-21: NEW temporarily saves and restores the value of variables within a block.
Question-22. What is the QUIT command in MUMPS?
Answer-22: QUIT terminates the execution of a routine or block.
Question-23. How do you implement a database in MUMPS?
Answer-23: Databases in MUMPS are implemented using hierarchical global variables.
Question-24. What is the $ORDER function in MUMPS?
Answer-24: $ORDER retrieves the next or previous subscript in a global or local array.
Question-25. What is the $NEXT function in MUMPS?
Answer-25: $NEXT is an alias for $ORDER and retrieves the next subscript.
Question-26. What is the $DATA function in MUMPS?
Answer-26: $DATA checks if a variable or global exists and its type (data or subnodes).
Question-27. How do you open a file in MUMPS?
Answer-27: Use the OPEN command, e.g., OPEN "file.txt".
Question-28. How do you close a file in MUMPS?
Answer-28: Use the CLOSE command, e.g., CLOSE "file.txt".
Question-29. What is the $IO variable in MUMPS?
Answer-29: $IO specifies the current input/output device.
Question-30. How do you exit a program in MUMPS?
Answer-30: Use the HALT command.
Question-31. What is the SET command in MUMPS?
Answer-31: The SET command assigns a value to a variable, e.g., SET x=5.
Question-32. How do you create an indexed database in MUMPS?
Answer-32: Use subscripted globals, e.g., SET ^patients("ID123")="John Doe".
Question-33. What is the purpose of KILL in MUMPS?
Answer-33: KILL deletes variables or global entries, e.g., KILL x or KILL ^patients.
Question-34. What is a label in MUMPS?
Answer-34: A label is a named point in a program used for defining subroutines or code blocks.
Question-35. How do you call a subroutine in MUMPS?
Answer-35: Use the DO command followed by the label, e.g., DO SubroutineName.
Question-36. What are intrinsic functions in MUMPS?
Answer-36: Intrinsic functions are built-in functions like $PIECE, $FIND, $DATA, etc.
Question-37. What is the $HOROLOG variable in MUMPS?
Answer-37: $HOROLOG provides the current date and time as the number of days since 1840 and seconds of the day.
Question-38. How do you retrieve the current date in MUMPS?
Answer-38: Use the $HOROLOG variable and parse it with $PIECE.
Question-39. What is the $JOB variable in MUMPS?
Answer-39: $JOB identifies the current process ID.
Question-40. How do you write multi-line commands in MUMPS?
Answer-40: Use a dot . to indicate continuation lines.
Question-41. How do you execute system commands in MUMPS?
Answer-41: Use the ZSYSTEM command, e.g., ZSYSTEM "ls".
Question-42. What is the purpose of $ZNAME in MUMPS?
Answer-42: $ZNAME provides the name of the current routine.
Question-43. How do you handle string comparison in MUMPS?
Answer-43: Use relational operators like = or '=, e.g., IF name="John".
Question-44. What is a transaction in MUMPS?
Answer-44: Transactions ensure atomic operations on globals using TSTART, TCOMMIT, and TROLLBACK.
Question-45. How do you create a local variable in MUMPS?
Answer-45: Assign a value without a caret, e.g., SET x=10.
Question-46. How do you increment a value in MUMPS?
Answer-46: Use the SET command, e.g., SET x=x+1.
Question-47. How do you debug a program in MUMPS?
Answer-47: Use a debugger provided by the MUMPS implementation, like GT.M or Cache.
Question-48. What are some MUMPS implementations?
Answer-48: Common implementations include GT.M, Cach?, and OpenVista.
Question-49. How do you export data from a MUMPS database?
Answer-49: Use routines to write global data to files or use database-specific tools.
Question-50. What are the advantages of MUMPS?
Answer-50: Advantages include high performance, scalability, and efficient handling of hierarchical data.
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