Q. How has the complexity of index selection in database systems changed over time?

View solution

Q. What is required for offline indexing to make tuning choices and perform tuning actions?

View solution

Q. In dynamic environments with Big Data, what are described as scarce resources?

View solution

Q. What approach was introduced to address the physical design problem in databases?

View solution

Q. How does database cracking differ from traditional indexing in terms of index creation?

View solution

Q. How is every query treated in the context of database cracking?

View solution

Q. What is the primary data storage representation used in column-store databases?

View solution

Q. How does a column store's data access during query processing differ from traditional row stores?

View solution

Q. What kind of processing do column stores typically rely on?

View solution

Q. What does the term "cracking" in the context of database cracking reflect?

View solution

Q. In the context of database cracking, what does the system do with the base column after the first query on a column?

View solution

Q. What data structure is used to maintain partitioning information in cracking?

View solution

Q. What is the benefit of continuously reorganizing columns through cracking in response to queries?

View solution

Q. Why does cracking stop cracking a column for pieces smaller than L1 cache?

View solution

Q. In column-store systems, what allows for efficient query processing when requesting multiple columns of the same table?

View solution

Q. When a column is cracked in a column-store system, what happens to the alignment of columns within the same table?

View solution

Q. How does sideways cracking address the problem of misalignment in column-store systems when working with multiple columns of the same table?

View solution

Q. How does sideways cracking ensure alignment of column-pairs with the same head attribute?

View solution

Q. What is the benefit of sideways cracking in column-store systems when multiple columns of the same table are used in a query?

View solution

Q. What is the purpose of partial cracking in column-store systems?

View solution