Category "composite-key"

why empty values are allowed but not null values in composite primary keys

I am working on an App connecting to the Snowflake database. I stumbled upon an issue while loading CSV files. I was using the NULL_IF condition in copy command

how to make findby with composite key in spring data - jpa -hibernate ? @EmbeddedId

@Embeddable public class AccountTransactionId implements Serializable { private String trxDate; private String acctNo; private int trxNo; } @Entity

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