Q1 a. Explain a transaction b. Name four properties of a transaction and Explain. Q2 a....

 

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Q1 a. Explain a transaction b. Name four properties of a transaction and Explain. Q2 a. State the factors that inform the type of database model to use? b. Define and give two examples for the following: I. Data Definition Language II. Data Manipulation Language III. Data Control Language Q3 a. List any 3 advantages of a database system b. With example differentiate between Data type and Domain Q4. a. Name the principal elements of a database system. b. Name the most important component and explain why? Q1 a. Explain a transaction b. Name four properties of a transaction and Explain. Q2 a. State the factors that inform the type of database model to use? b. Define and give two examples for the following: I. Data Definition Language II. Data Manipulation Language III. Data Control Language Q3 a. List any 3 advantages of a database system b. With example differentiate between Data type and Domain Q4. a. Name the principal elements of a database system. b. Name the most important component and explain why?

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Q1 a A transaction in the context of databases refers to a sequence of one or more operations that are executed as a single unit of work Transactions are used to maintain the consistency and integrity ... View the full answer