Atomicity Study guides, Class notes & Summaries

CHEM1331 Chapter 2 (Atomic Structure and Periodicity) Q&A/CHEM1331 Chapter 2 (Atomic Structure and Periodicity) Q&A

True & False The objective of SOL performance tuning on the client side is to generate an SOL query that returns the correct answer in the least amount of time, using the maximum amount of resources on the server side All database transactions must display at least the properties of Atomicity, consistency, convenience, and isolation Database recovery techniques are based on the isolation transaction property which indicate that the data used during execution of a transaction cannot...

DAD 220 - 1-3 Quiz Many interesting science-, technology-, engineering-, and math-oriented websites provide open-source data to the public. Which of the following sites provide that information? Select all that apply. - DATA.GOV NYC Open Data National Cancer Institute What four properties must be achieved for transactions to change data in a relational database? Select all that apply. - Atomicity Consistency Isolation Durability Which of the following are components of a database sy...

CMSC 433 Midterm (All Exams Combined) solutions 2023/24 1. True/False/Multiple Choice Questions [15 points] (1) True False A program with a race condition will always produce incorrect results. (2) True False If the release() method of a newly constructed semaphore is called before any thread ever calls the semaphore’s acquire() method, the release() method will have no effect. (3) True False The get() method of a FutureTask does not guarantee that it can return a value immediately a...

____________leverages a massively parallel processing (MPP) architecture. - Azure Synapse Analytics _________organizes your files into directories and subdirectories for improved file organization. Blob storage can only mimic a directory structure. - Data Lake Storage . What are ACID principles? - Atomicity guarantees that each transaction is treated as a single unit, which either succeeds completely, or fails completely. If any of the statements constituting a transaction fails to complet...

Many websites provide open-source data about science, technology, engineering, and math. Which of these sites provide open-source data to the public? Select all that apply. Question options: D W NYC Open Data National Cancer Institute International Genetics Foundation C USPostalService.GOV - Answer-D NYC Open Data National Cancer Institute In a relational database, what four properties must be achieved for transactions to change data? Select all that apply. Question options: Atomi...

Access plan - -A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias - -An alternative name for a column or table in a SQL statement. ALTER TABLE - -The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column characteristics. AREA - -In DB2, a named se...

Transaction User program that can either read or write data from or to the database system ACID Atomicity, Consistency, Isolation and Durability ACID - Atomic All or nothing - Transaction must be completed in full or not at all (no subdividing) ACID - Consistency Transactions will transform the database from one consistent state to another. There are no violations of integrity constraints. ACID - Isolated Transactions execute independently of one another. Database changes are not rev...

Access plan - Answer-A set of instructions generated at application compilation time that is created and managed by a DBMS. The access plan predetermines how an application's query will access the database at run time. Alias - Answer-An alternative name for a column or table in a SQL statement. ALTER TABLE - Answer-The SQL command used to make changes to table structure. When the command is followed by a keyword (ADD or MODIFY), it adds a column or changes column characteristics. AREA - ...

WGU C170 Focused on Chapter 6 Normalization Practice Study Guide Questions with Distinction level Marking scheme version 2024/2025 atomic attribute - correct answer An attribute that cannot be further subdivided to produce meaningful components. For example, a person's last name attribute cannot be meaningfully subdivided. atomicity - correct answer The transaction property that requires all parts of a transaction to be treated as a single, indivisible, logical unit of work. All parts of ...