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A database consistency check performs a thorough check of the entire database. It examines all tables in the database to find out whether index and data pages are correctly linked and indexes are in proper-sorted order. It also checks that all pointers are consistent and that the data information on each page, and page offsets are reasonable. It enables the early recognition of problems and thus prevents problem escalation and possible loss of data.

Using this test, administrators can figure out how many primary and secondary indices were affected i.e., inconsistent while each type of database consistency check is performed. In addition, you can also figure out the number of tables and views that were affected when the database consistency check is performed.

Measurement	Description	Measurement Unit	Interpretation
primaryIndexes	Indicates the number of primary indices that were affected while performing this type of database consisteny check.	Number	A low value is desired for this measure.
secondaryIndexes	Indicates the number of secondary indices that were affected while performing this type of database consisteny check.	Number	A low value is desired for this measure.
tables	Indicates the number of tables that were affected while performing this type of database consisteny check.	Number	A high value indicates that the tables in the database are inconsistent. Early detection of such tables will help administrators prevent possible loss of data.
views	Indicates the number of views that were affected while performing this type of database consisteny check.	Number