etl

-- Import CSV with COPY (fastest method)
COPY users (username, email, age, created_at)
FROM '/path/to/users.csv'
WITH (
  FORMAT csv,
  HEADER true,

Efficient data import and export strategies

database import export

by Maria Garcia 2 tabs

java

package com.example.demo.batch;

import com.example.demo.model.User;
import com.example.demo.model.UserDTO;
import org.springframework.batch.core.Job;
import org.springframework.batch.core.Step;

Batch processing with Spring Batch

java spring-batch batch-processing

by David Kumar 2 tabs