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WeDoIT  is Cloud solutions & consulting company founded by cloud experts. As part of give back (or) knowledge sharing with community, our team has started creating these tutorials/cloud topic summaries.     Check out cloud our computing cost optimizer tool  INVOKE  to save cloud hosting costs by 50 to 80%. WeDoIT  is Cloud solutions & consulting company founded by cloud experts. As part of give back (or) knowledge sharing with community, our team has started creating these tutorials/cloud topic summaries.    Check out cloud our computing cost optimizer tool  INVOKE  to save cloud hosting costs by 50 to 80%. Tables Best practices Tables are distributed across multiple partitions. DynamoDB is “optimized” for uniform distribution of items across a table’s partitions. A single partition can hold approximately 10GB of data and 3000 read capacity units (RCU) and 1000 write capacity units (WCU). Formula to calcula...

WeDoIT  is Cloud solutions & consulting company founded by cloud experts. As part of give back (or) knowledge sharing with community, our team has started creating these tutorials/cloud topic summaries.     Check out cloud our computing cost optimizer tool  INVOKE  to save cloud hosting costs by 50 to 80%.   Here is first part of the DynamoDB tutorial/summary. Terminology Table - Group of items, keys and indexes Item - is ROW of data stored in table. Primary key - Key used to uniquely identify an item (or) row in a table. Two types of primary keys exists in DynamoDB.    1.  Simple Primary Key, ONLY one field/attribute in your table you would like to use to uniquely identify the item/row. Another name for “simple primary key” IS “partition key”. Because DynamoDB uses this field/attribute as input for hash function in determining where to store an item (physically on disk), another name for this key is “partiti...