Demo a SELECT INTO with exception handling : Select into « PL SQL Statements « Oracle PL/SQL Tutorial






SQL> --
SQL>
SQL>
SQL> create table employee
  2          (
  3           empl_no                integer         primary key
  4          ,lastname               varchar2(20)    not null
  5          ,firstname              varchar2(15)    not null
  6          ,midinit                varchar2(1)
  7          ,street                 varchar2(30)
  8          ,city                   varchar2(20)
  9          ,state                  varchar2(2)
 10          ,zip                    varchar2(5)
 11          ,zip_4                  varchar2(4)
 12          ,area_code              varchar2(3)
 13          ,phone                  varchar2(8)
 14          ,company_name           varchar2(50));

Table created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(1,'Jones','Joe','J','10 Ave','New York','NY','11111','1111','111', '111-1111','A Company');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(2,'Smith','Sue','J','20 Ave','New York','NY','22222','2222','222', '222-111','B Company');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(3,'Anderson','Peggy','J','500 St','New York','NY','33333','3333','333', '333-3333','C Company');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(4,'Andy','Jill', null,'930 St','New York','NY','44444','4444','212', '634-7733','D Company');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(5,'OK','Carl','L','19 Drive','New York','NY','55555','3234','212', '243-4243','E Company');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(6,'Peter','Jee','Q','38 Ave','New York','NY','66666','4598','212', '454-5443','F Inc');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(7,'Baker','Paul','V','738 St.','Queens','NY','77777','3842','718', '664-4333','G Inc');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(8,'Young','Steve','J','388 Ave','New York','NY','88888','3468','212', '456-4566','H Associates Inc');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(9,'Mona','Joe','T','9300 Ave','Kansas City','MO','99999','3658','415', '456-4563','J Inc');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(10,'Hackett','Karen','S','Kings Rd. Apt 833','Bellmore','NY','61202','3898','516', '767-5677','AA Inc');

1 row created.

SQL>
SQL> insert into employee(empl_no,lastname,firstname,midinit,street,city,state,zip,zip_4,area_code,phone,company_name)
  2  values(11,'Bob','Jack','S','12 Giant Rd.','Newark','NJ','27377','3298','908', '123-7367','Z Associates');

1 row created.

SQL>
SQL> declare
  2     v_lastname       employee.lastname%type;
  3     v_area_code      employee.area_code%type;
  4     v_phone          employee.phone%type;
  5  begin
  6     SELECT lastname, area_code, phone
  7      INTO v_lastname, v_area_code, v_phone
  8      FROM employee
  9      WHERE empl_no = 234;
 10      dbms_output.put_line(v_lastname || ' (' ||v_area_code || ')' || v_phone);
 11  exception
 12      when no_data_found then
 13           raise_application_error(-20000, 'employee not found');
 14  end;
 15  /
declare
*
ERROR at line 1:
ORA-20000: employee not found
ORA-06512: at line 13


SQL>
SQL>
SQL> drop table employee;

Table dropped.








22.10.Select into
22.10.1.Use Select into statement to assign value to a variable
22.10.2.Multiple-Row SELECT Command with Several Exception-Handling Routines: set value in exception handler
22.10.3.Select data into record type data
22.10.4.Select data into PL/SQL table of cursor
22.10.5.Select count value into a variable
22.10.6.Use if statement to check the selected into value
22.10.7.Use more than one entrances in if statement to handle the value returned from a select into
22.10.8.Retrieving a single row: The basic syntax
22.10.9.Use IF-THEN-ELSE to check the return value from the select into statement
22.10.10.SELECT into ROWTYPE
22.10.11.SELECT into TYPE
22.10.12.Multiple-row SELECT command.
22.10.13.Multiple-row SELECT command with several exception-handling routines
22.10.14.Create a loop that prints a list of all employees and their managers
22.10.15.You must have the same datatypes in both the SELECT and INTO clauses.
22.10.16.select pair value into two variables
22.10.17.Build an anonymous block that will trigger an error.
22.10.18.Demo a SELECT INTO with exception handling
22.10.19.Select into and subquery