Examtopics

Professional Cloud Developer

  • Topic 1 Question 87

    You are developing an ecommerce application that stores customer, order, and inventory data as relational tables inside Cloud Spanner. During a recent load test, you discover that Spanner performance is not scaling linearly as expected. Which of the following is the cause?

    • The use of 64-bit numeric types for 32-bit numbers.

    • The use of the STRING data type for arbitrary-precision values.

    • The use of Version 1 UUIDs as primary keys that increase monotonically.

    • The use of LIKE instead of STARTS_WITH keyword for parameterized SQL queries.

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