The executions of transactions are strict if read and write operations on an object are delayed until all transactions that previously wrote that object have either committed or aborted. Explain how the locking rules ensure strict executions.

What will be an ideal response?


If a previous transaction has written a data item, it holds its locks until after it has committed, therefore no other transaction may either read or write that data item (which is the requirement for serial executions).

Computer Science & Information Technology

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Match each item with a statement below.

A. A service created by Apple that allows external apps to send notification data to apps installed on Apple devices B. an identity and access management cloud solution C. policy that allows employees to bring their own computers, smartphones, and tablets to work D. policy that allows employees to choose a computer, smartphone, or tablet from a corporate-owned pool of devices E. a Microsoft tool for synchronizing copies of local identity information into Azure AD F. a license suite available for purchase from Microsoft that includes Azure AD Premium, Microsoft Intune, and Azure Rights Management Services G. software and services responsible for provisioning and controlling access to mobile apps H. security software used to monitor, manage, and secure employee mobile devices I. the name that uniquely identifies a user within an identity directory

Computer Science & Information Technology

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What will be an ideal response?

Computer Science & Information Technology

Acombo chart can add a(n) ____ axis to chart related data.

A. combo B. secondary C. tertiary D. clustered

Computer Science & Information Technology

What is the main purpose of a smart watch?

What will be an ideal response?

Computer Science & Information Technology