If an invalid index is passed, the function terminates without further processing. [Explanation] Functions that use an index value always determine if the index...
Subscript refers to the array occurrence while index is the displacement (in no of bytes) from the beginning of the array. An index can only be modified using P...
Subscript refers to the array occurrence while index is the displacement (in no of bytes) from the beginning of the array. An index can only be modified using...
For a clustered index DB2 maintains rows in the same sequence as the columns in the index for as long as there is free space. DB2 can then process that table in...
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...
A multiple index is not one index but two indexes for two different columns of a table. A composite index is one index made up of combined values from two col...
TYPE 1 & TYPE 2 are specified when an index is created on the table. TYPE 2 index is the option which comes with DB2V4. With TYPE 2 index data can be retrie...
For cardinality one out of two (domain or data element) should be the same for Ztest1 and Ztest2 tables. M:N Cardinality specifies the number of dependent(Targe...
INDEX is a general term for an ORACLE / SQL feature used primarily to speed execution an impose UNIQUENESSÂ upon certain data. INDEX provides a faster access m...
A relationship which can be defined between tables and must be explicitly defined at field level. Foreign keys are used to ensure the consistency of data. Data...