values
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Q: Why Char array is preferred over String for storing password?
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When conducting a search for keywords after a hash has been created and the files are identified by their hash values, these files can be ________to speed up the process.
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- Until a file signature analysis is run, EnCase relies on the ______ to determine its file type. header extension database acquisition hash libraryHash Search Design a hash table which the phone number is the key word and can be used to do search. The phone number is looked on as key and thus the hash function should be designed based on it. Each record contains 3 data items, i.e. name, sex and phone number. Read the datum from txt file, use phone number as the key to design hash function, using open addressing method to solve conflicts. Build hash table and show highest number of hashes. There are 450 records in total, and the size of hash table is defined as 467. The maximum number of hashes is required to be no more than 80 When the user input a phone number, your program should do hash search based on this number. If the number dose exist then the corresponding information should be shown, and the number of hashes should be shown as well. If the number does not exist in the table, still show the number of hashes and the information: this number not exist In doing this the program should be done in C and it should be…THE SOLUITON SHOULD BE IN FILE • Maintain a database in a file:o Add a new vehicle to the fleet. Vehicle information should include▪ Model year▪ Make▪ Model name▪ License plate number▪ Customer number who is currently renting vehicleo Delete a vehicle from the fleeto Rent a vehicle to a registered customero Receive rented vehicle back from customer
- UPDATEs and DELETEs can be destructive in nature. What statement might you use to see the rows that will be impacted before executing a DELETE or UPDATE?If an application calls for efficient lookup records by key value, fast insertion and deletion of records based on the key value, as well as be able to return all the records that have key value fall in a certain range, which of the following data structure is the best candidate? Question 44 options: Linked list Hash table Heap Binary search tree ArrayDesign and develop android application that inserts movie information into database. The following is required: Validation: duration must be >0 and less than 20 (Show appropriate toast message otherwise) Movie rating is a drop down list with values between 1 and 10 Movie year is a drop down list with values from 1950 until today's year Show appropriate success message (using dialog) when the movie is successfully added to database Insert movie information to database is achieved using a php web service Database type is MYSQL You should submit the following: o Java files Layout files o AndroidManifest.xml o Build.gradle that contains the dependencies of your project o php web service file Table movie looks like the following: Mid Mname Duration Rating myear The design looks like the following: Movie Name Movie Duration Movie Rating Movie Year Add Movie
- Assume you have a hash table length of 29. Given the value 371, what index will the entry map to? 29 371 23 None of the aboveAlternate keys: Identify at least five keys (not already listed as PK or FK) needed by end users. These indexes would be considered Alternate or Secondary keys and are mostly used for queries and quick reporting. They may contain multiple columns.class Database:def __init__(self, db_name):self.db = sqlite3.connect(db_name)self.cursor = self.db.cursor()def create_table(self, table_schema):self.cursor.execute(table_schema)self.db.commit()def insert_data(self, table_name, data):for i in range(len(data)):keys = ", ".join(data.columns)values = ", ".join([f"'{value}'" if pd.isna(value) else str(value) for value in data.iloc[i]])self.cursor.execute(f"INSERT INTO {table_name} ({keys}) VALUES ({values})")self.db.commit()def search_data(self, table_name, year):self.cursor.execute(f"SELECT * FROM {table_name} WHERE year={year}")result = self.cursor.fetchone()if result is not None:return resultelse:return Nonedef delete_data(self, table_name, year):self.cursor.execute(f"DELETE FROM {table_name} WHERE year={year}")self.db.commit()return self.cursor.rowcount > 0 Please rewrite (or convert) the code above with format: def QueryBuilder( Data_Base, Query_Type, Query_Tuple):'''''' Build Query_String'''''' return Query_String
- SBN Title Author 12345678 The Hobbit J.R.R. Tolkien 45678912 DaVinci Code Dan Brown Your student ID DBS311 Your Name use the following statement to Write the MongoDB Shell code to completely delete the entire database, including all collections and documentsUsing PHP Write a program using PHP programming language that trads the user name and password from a login form Login.html Login.php And then writes them in a text file(logon.txt) Also store them in a Access database.An index may speed up queries, but it's usually a terrible idea to create an index for every property or combination of properties that might be used as search keys. I'd want to know more about this.