“SQL Ubah Kunci Utama ke Kunci Komposit” Kode Jawaban

SQL Ubah Kunci Utama ke Kunci Komposit

    /* For SQL Server/Oracle/MS ACCESS */
    ALTER TABLE  AgentIdentification 
    DROP CONSTRAINT PK_Table1_Col1


    /* For MySql */
    ALTER TABLE  AgentIdentification 
    DROP PRIMARY KEY