.

Database별 JDBC드라이버 URL 

오라클
  oracle.jdbc.driver.OracleDriver
  jdbc:oracle:thin:@localhost:1521:ora92


MYSQL
  com.mysql.jdbc.Driver
  jdbc:mysql://localhost:3306/practice



MSSQL
  com.microsoft.jdbc.sqlserver.SQLServerDriver
  jdbc:microsoft:sqlserver://localhost:1433;databaseName=practice

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