Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- What's stable database state? There's no guarantee that the transaction's symbolic meaning matches the database management system's real-world occurrence. What would a ban do? Give an example. What does "serializable transactions" mean?arrow_forwardWhat does a stable database state include, and how is it attained? The DBMS does not ensure that the transaction's symbolic meaning accurately reflects the underlying real-world event. What effects might such a limitation have? Give an instance. What does the term "serializable transactions" really mean?arrow_forwardFor starters, what is the definition of a lock? Why are they important for database management systems, exactly? Where do they fit into the picture of database management systems' concurrency control?arrow_forward
- What kind of Big O notation does database execution time fall into? Sure, I'll take care of it. If I erase X, how many will be gone? For a single commercial. From a single online search?arrow_forwardCan someone explain to me how to find a superkey in a relational database? (This is my first time learning about keys, SO PLEASE EXPLAIN IN SIMPLE AND PROPER DETAIL). in fact, can someone explain the different types of keys to me in relational databases (PLEASE EXPLAIN SIMPLY AND THOROUGHLY).arrow_forwardWhat is a stable database state, and how do you get one? There is no assurance that the database management system's representation of the transaction's underlying actual occurrence corresponds to its symbolic meaning. What consequences would such a restriction have? Give an example to illustrate what you mean. Does "serializable transactions" imply what it seems to mean?arrow_forward
- Consider the possibility that your database management system is the source of the issue. Have you worked with databases before? Do you have any experience with the write-through and deferred-write recovery approaches?arrow_forwardWhat does "database stability" mean? It's conceivable that the database management system's symbolic meaning doesn't match up with the reality of the situation.There is little knowledge on how a ban would affect society.Justify your claims with evidence. What Exactly Does It Mean When We Talk About "Serializable Transactions?"arrow_forwardWhat is a stable database state? The transaction's symbolic meaning may not match the database management system's real-world occurrence. What would a ban mean? Provide an example to clarify. Is "serializable transactions" what it seems?arrow_forward
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