Correct answer is -i) Indexes
Indexes are the secret sauce to MarkLogics ability that provide real-time queries on extremely huge databases.With the technological advances and the ever-changing market today, companies need a foundation that is adaptable and fast. There is a need for organizations to use data in an integrated manner in real time, and databases need to allow seamless use of data out of the box.
In traditional, relational databases, data resides in rows and columns with very little flexibility and context. To add to the problem data today resides in different systems and in different formats. To fulfill a specific data need, organizations need to create a new unified view of the data by creating schemas and using extract, transform, load (ETL) which can be difficult because relational databases are rigid. Not only does this create a new data silo, but makes the data out of date as soon as the integration starts because business needs are always changing.
