The file which consists of ordering attribute which is non key in nature called a. sequential file b. spanned file c. master file d. clustered file
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| 78. | The file which consists of ordering attribute which is non key in nature called |
| a. | sequential file |
| b. | spanned file |
| c. | master file |
| d. | clustered file |
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- 33. Two files may be joined into a third file if a. they have a row in common b. they have a field in common c. they have no records with the same value in the common field d. both (b) and (c)378. Operation to change a user settable attributes of a file, is named to be a. declare attribute b. define attribute c. get attribute d. set attributeA file consists of (A) Fields and records (B) Records and sorts (C) Fields and sorts (D) Databases and fields
- Which of the following is an organized collection of related information stored in a computer file? a. database b. dataset c. field d. record381. File operation used to access attributes of a file is known to be a. get attribute b. set attribute c. define attribute d. declare attributeA movie file has the following record structure:name ofthe movie producer director type productioncostAssume that the name of the movie is the primary key of the file. Thefield type refers to the type of the movie, for example, drama, sci-fi, horror, crimethriller, comedy and so forth. Input a sample set of records of your choice into themovie file.i) Implement a primary index-based ISAM file organization.ii) Implement secondary indexes on director, type and productioncost.
- Create new class DbConn containing a connection string and a single function to insert,update and delete records. It takes query as input and return boolean.• Error correction in search and update records.• Create another function in DbConn to search records that returns the ResultSet.// Each time a salesperson sells a car at the // Pardeeville New and Used Auto Dealership, // a record is created containing the salesperson’s // name and the amount of the sale. // Sales of new and used cars are kept in separate files, // sorted by salesperson ID number. // Management has requested a merged file so that // all of a salesperson’s sales (both new and used cars) // are displayed together. The following code is intended // to merge the files. start Declarations string newSalesperson num newAmount string usedSalesperson num usedAmount string bothAtEof = "N" string HIGH_NAME = "ZZZZZ" InputFile newSales InputFile usedSales OutputFile allsales getReady() while bothAtEof = "Y" detailLoop() endwhile finish() stop getReady() open newSales "NewSales.dat" open usedSales "UsedSales.dat" open allSales "AllSales.dat" input newSalesperson, newAmount from newSales if eof then…76. The command which returns the first record of the just opened file is classified as a. reorganize command b. scan command c. set-at-a-time command d. insert command
- QUESTION 13 Code a JSON file that contains the following: Three key-value pairings where the keys are id, name, and grade The value of id is to be 12345 The value of name is to be an object with its own two key-value pairings: firstName of John and lastName of Lennon The value of grade is to be 895d) You were given four files and you deleted the file with extension. Explain whyyour data is no longer having the appropriate coordinates.74. The file which consists of the ordering fields for records is called a. sequential file b. ordered file c. spanned file d. both a and b