Weâd like to introduce a new columnar storage format for Hadoop called Parquet, which started as a joint project between Twitter and Cloudera engineers.
There are two birthstones for the month of June. Alexandrite was the traditional birthstone for June, but due to its scarcity and cost, pearl has become June's common birthstone. The alexandrite was named after Czar Alexander II and is one of the most desired gems. Its color changes with the lighting surrounding the stone, which is called its phenomena.
For example, people use birthstone for July at the moment of the month July. Its easy for them to choose month birthstone than zodiac birthstone. Its because there are two birthstones in a month. For example, people who was born in July has two zodiac birthstones like Emerald for Cancer and Onyx For Leo.