ETL Tools for Data Warehouses. Designing and maintaining the ETL process is often considered one of the most difficult and resource-intensive portions of a data warehouse project. Many data warehousing projects use ETL tools to manage this process.
phalange (plural phalanges) ( 1 obsolete) A phalanx (of soldiers, people etc.). ( 2 anatomy) A phalanx. ( 3 rare) Alternative form of.
Possessives of Plurals & Irregular Plurals. Most plural nouns already end in s. To create their possessive, simply add an apostrophe after the s 1  : The Pepins' house is the big blue one on the corner. 2  The lions' usual source of water has dried up. 3  The gases' odors mixed and became nauseating.