Looking for the definition of SOL? Find out what is the full meaning of SOL on Abbreviations.com! 'Solution' is one option -- get in to view more @ The Web's largest and most authoritative acronyms and abbreviations resource. Login
About Indexes. Indexes are optional structures associated with tables and clusters that allow SQL statements to execute more quickly against a table. Just as the index in this manual helps you locate information faster than if there were no index, an Oracle Database index provides a faster access path to table data.
So, now you know that a database index is created on a column in a table, and that the index stores the values in that specific column. But, it is important to understand that a database index does not store the values in the other columns of the same table.