Hibernate @ TableGenrator table management primary key generation policy, hibernate primary key generation

Hibernate @ TableGenrator table management primary key generation policy, hibernate primary key generation
@ TableGenerator: generates a table in the database to manage the primary key generation policy.
ImpOrt javax. persistence. TableGenerator;
@ TableGenerator (
Name = "Teacher_GEN", // TableGenerator's name
Table = "GENERATOR_TABLE", // table name
PkColumnName = "pk_key", // column 1, varchar type, store the key for generating the ID
ValueColumnName = "pk_value", column 2, int type, storage ID value
PkColumnValue = "Teacher", // key value of Column 1
AllocationSize = 1 // Growth Value
)
Public class Teacher {

}