Sorted:

What is the usage of the oracle limit?

How can I convert a timestamp to a date format in MySQL?

How does Spark read data from Kafka?

How to eliminate duplicate data in Oracle?

What are the methods to convert timestamps in MySQL?

How can messages be consumed in Java?

How to remove duplicate data in Oracle?

What is the method for Spark to read from Kafka and write into Hive?

How can we create temporary tables in SparkSQL?

How does shardingjdbc work?