Oracle PL/SQL Tutorial/Miscellaneous Functions/SQLERRM SQLCODE

SQLERRM has the error message

SQL> create table myTable(acolumn number);
Table created.
SQL> set serveroutput on
SQL>
SQL> DECLARE
  2      v_sqlcode NUMBER;
  3      v_sqlerrm VARCHAR2(100);
  4  BEGIN
  5      FOR i IN 1..10000 LOOP
  6        INSERT INTO myTable VALUES (i);
  7      END LOOP;
  8      commit;
  9  EXCEPTION
 10      WHEN OTHERS THEN
 11        v_sqlcode := SQLCODE;
 12
 13        v_sqlerrm := substr(SQLERRM,1,80);
 14        dbms_output.put_line(v_sqlcode || v_sqlerrm);
 15    END;
 16  /
PL/SQL procedure successfully completed.
SQL>
SQL>
SQL> drop table myTable;
Table dropped.
SQL>

SQLERRM system function

SQL>
SQL> set serveroutput on
SQL> BEGIN
  2    DBMS_OUTPUT.PUT_LINE("SQLERRM(0): " || SQLERRM(0));
  3    DBMS_OUTPUT.PUT_LINE("SQLERRM(100): " || SQLERRM(100));
  4    DBMS_OUTPUT.PUT_LINE("SQLERRM: " || SQLERRM);
  5    DBMS_OUTPUT.PUT_LINE("SQLERRM(-1): " || SQLERRM(-1));
  6  END;
  7  /
SQLERRM(0): ORA-0000: normal, successful completion
SQLERRM(100): ORA-01403: no data found
SQLERRM: ORA-0000: normal, successful completion
SQLERRM(-1): ORA-00001: unique constraint (.) violated
PL/SQL procedure successfully completed.
SQL>
SQL>

Use error functions SQLERRM and SQLCODE

SQL>
SQL>
SQL>
SQL> -- create demo table
SQL> create table Employee(
  2    ID                 VARCHAR2(4 BYTE)         NOT NULL primary key,
  3    First_Name         VARCHAR2(10 BYTE),
  4    Last_Name          VARCHAR2(10 BYTE),
  5    Start_Date         DATE,
  6    End_Date           DATE,
  7    Salary             Number(8,2),
  8    City               VARCHAR2(10 BYTE),
  9    Description        VARCHAR2(15 BYTE)
 10  )
 11  /
Table created.
SQL>
SQL> -- prepare data
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary,  City,       Description)
  2               values ("01","Jason",    "Martin",  to_date("19960725","YYYYMMDD"), to_date("20060725","YYYYMMDD"), 1234.56, "Toronto",  "Programmer")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary,  City,       Description)
  2                values("02","Alison",   "Mathews", to_date("19760321","YYYYMMDD"), to_date("19860221","YYYYMMDD"), 6661.78, "Vancouver","Tester")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary,  City,       Description)
  2                values("03","James",    "Smith",   to_date("19781212","YYYYMMDD"), to_date("19900315","YYYYMMDD"), 6544.78, "Vancouver","Tester")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary,  City,       Description)
  2                values("04","Celia",    "Rice",    to_date("19821024","YYYYMMDD"), to_date("19990421","YYYYMMDD"), 2344.78, "Vancouver","Manager")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary,  City,       Description)
  2                values("05","Robert",   "Black",   to_date("19840115","YYYYMMDD"), to_date("19980808","YYYYMMDD"), 2334.78, "Vancouver","Tester")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary, City,        Description)
  2                values("06","Linda",    "Green",   to_date("19870730","YYYYMMDD"), to_date("19960104","YYYYMMDD"), 4322.78,"New York",  "Tester")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary, City,        Description)
  2                values("07","David",    "Larry",   to_date("19901231","YYYYMMDD"), to_date("19980212","YYYYMMDD"), 7897.78,"New York",  "Manager")
  3  /
1 row created.
SQL> insert into Employee(ID,  First_Name, Last_Name, Start_Date,                     End_Date,                       Salary, City,        Description)
  2                values("08","James",    "Cat",     to_date("19960917","YYYYMMDD"), to_date("20020415","YYYYMMDD"), 1232.78,"Vancouver", "Tester")
  3  /
1 row created.
SQL>
SQL>
SQL>
SQL> -- display data in the table
SQL> select * from Employee
  2  /

ID   FIRST_NAME           LAST_NAME            START_DAT END_DATE      SALARY CITY       DESCRIPTION
---- -------------------- -------------------- --------- --------- ---------- ---------- ---------------
01   Jason                Martin               25-JUL-96 25-JUL-06    1234.56 Toronto    Programmer
02   Alison               Mathews              21-MAR-76 21-FEB-86    6661.78 Vancouver  Tester
03   James                Smith                12-DEC-78 15-MAR-90    6544.78 Vancouver  Tester
04   Celia                Rice                 24-OCT-82 21-APR-99    2344.78 Vancouver  Manager
05   Robert               Black                15-JAN-84 08-AUG-98    2334.78 Vancouver  Tester
06   Linda                Green                30-JUL-87 04-JAN-96    4322.78 New York   Tester
07   David                Larry                31-DEC-90 12-FEB-98    7897.78 New York   Manager
08   James                Cat                  17-SEP-96 15-APR-02    1232.78 Vancouver  Tester
8 rows selected.
SQL>
SQL>
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
  2     v_error VARCHAR2(10);
  3  BEGIN
  4     SELECT *
  5     INTO v_error
  6     FROM employee;
  7  EXCEPTION
  8     WHEN OTHERS
  9     THEN
 10        DBMS_OUTPUT.PUT_LINE("SQLERRM: "||SQLERRM);
 11        DBMS_OUTPUT.PUT_LINE("SQLCODE: "||SQLCODE);
 12  END;
 13  /
   FROM employee;
   *
ERROR at line 6:
ORA-06550: line 6, column 4:
PL/SQL: ORA-00947: not enough values
ORA-06550: line 4, column 4:
PL/SQL: SQL Statement ignored

SQL>
SQL>
SQL>
SQL> -- clean the table
SQL> drop table Employee
  2  /
Table dropped.
SQL>
SQL>