Piotr Rogowski questions

Piotr Rogowski answers

• Alternative of trunc function in postgresql
• Hibernate CriteriaBuilder with two parameters
• What is systemProperties in Spring and where to find it?
• Java 8 lambda create list of Strings from list of objects
• Hive- issue with Create Table with column have space
• A column definition list is required for functions returning "record" in Postgresql
• Algebraic Data Types in Postgres
• Difference between JSON and JSONB in Postgres [duplicate]
• Ids for this class must be manually assigned before calling save on String ID