Oracle PL/SQL Tutorial/SQL PLUS Session Environment/ACCEPT

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ACCEPT

   <source lang="sql">

SQL> SQL> -- create demo table SQL> create table Employee(

 2    ID                 VARCHAR2(4 BYTE)         NOT NULL,
 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> SET VERIFY OFF SQL> SET ECHO OFF SQL> SQL> ACCEPT v_earliest_date PROMPT "Earliest date you would like to see? (dd-mmm-yy): " Earliest date you would like to see? (dd-mmm-yy): ACCEPT v_latest_date PROMPT "Thank you. Latest date you would like to see? (dd-mmm-yy): " SQL> SELECT *

 2  FROM   employee
 3  WHERE  start_date BETWEEN "&v_earliest_date" AND "&v_latest_date";

Enter value for v_latest_date: WHERE start_date BETWEEN "ACCEPT v_latest_date PROMPT "Thank you. Latest date you would like to see? (dd-mmm-yy): "" AND ""

SQL> SET VERIFY ON SQL> SET ECHO ON SQL> SQL> SQL> -- clean the table SQL> drop table Employee

 2  /

Table dropped. SQL> SQL> SQL> SQL></source>


Accept input and pass into a query

   <source lang="sql">

SQL> set termout on SQL> SQL> ACCEPT continue_flag CHAR PROMPT "Do you wish to DROP the tables first (Y/N)?" Do you wish to DROP the tables first (Y/N)? SQL> define flag1 = "n" SQL> SET TERMOUT OFF SQL> COLUMN continue_flag NEW_VALUE continue_flag SQL> SELECT LOWER("&continue_flag") continue_flag FROM dual; old 1: SELECT LOWER("&continue_flag") continue_flag FROM dual new 1: SELECT LOWER("") continue_flag FROM dual

C -

1 row selected. SQL> SET TERMOUT ON SQL> SQL> SET SERVEROUTPUT ON SQL> PROMPT SQL> BEGIN

 2    IF "&flag1" = "n" THEN
 3      DBMS_OUTPUT.PUT_LINE("You must answer either Y or N.");
 4      DBMS_OUTPUT.PUT_LINE("Please rerun the command file and answer correctly.");
 5    END IF;
 6  END;
 7  /

old 2: IF "&flag1" = "n" THEN new 2: IF "n" = "n" THEN You must answer either Y or N. Please rerun the command file and answer correctly. PL/SQL procedure successfully completed. SQL> SQL> --Let the calling script know that we were successful. SQL> define flag2 = "Y" SQL> SQL></source>


accept x prompt "Enter date[yyyy-mm-dd]: "

   <source lang="sql">

SQL> SQL> SQL> accept x prompt "Enter date[yyyy-mm-dd]: " Enter date[yyyy-mm-dd]: SQL> select date "&x" as input_date

 2  ,      to_char(date "&x", "ww") as ww
 3  ,      to_char(date "&x", "iw") as iw
 4  from   dual;

old 1: select date "&x" as input_date new 1: select date "" as input_date old 2: , to_char(date "&x", "ww") as ww new 2: , to_char(date "", "ww") as ww old 3: , to_char(date "&x", "iw") as iw new 3: , to_char(date "", "iw") as iw select date "" as input_date

           *

ERROR at line 1: ORA-01841: (full) year must be between -4713 and +9999, and not be 0

SQL> SQL> undefine x SQL></source>