 Related Questions The number of distinct values for a column is called index cardinality. DB2's RUNSTATS utility analyzes column value redundancy to determine whether to use a tablespace or index scan to search for SQL statements may return any number of rows, but most host languages deal with one row at a time by declaring a cursor that presents each row at a unique isolation level. Latest Answer : Isolation Level determines the duration of the lock over a page.3 level are there.1. Cursor Stability : lock is retained when untill the cursor moves from one record in one page to the next record in another page. Provides WRITE Integrity.2. Repeatable ... An intent lock is at the table level for a segmented tablespace or at the tablespace level for a nonsegmented tablespace. They indicate at the table or tablespace level the kinds of locks at lower levels. Latest Answer : how to eliminate duplicate rows from a table leaving one from the duplicates ... This is a key concept for any relational database. Isolation level is the manner in which locks are applied and released during a transaction. For DB@ a 'repeatable read' holds all locks untile Latest Answer : Isolation level means the extent to which the transaction isolates the data is accessed ... They are the opposite of root pages. Leaf pages are the lowest level index pages - the pages that contain index entries and information to the corresponding table rows. Latest Answer : Leaf pages are used in context of indexes and contain data. ... The opposite of a leaf page; it is the highest level index page. An index can contain only the one root page; all other index pages are associated to the root. Given a read-only application that requires consistent data for every query, which isolation levels should it use to provide the most concurrency with other applications doing updates? Given a read-only application that requires consistent data for every query, which of the following isolation levels should it use to provide the most concurrency with other applications doing updates?
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