Oracle PL/SQL Tutorial/SQL PLUS Session Environment/ACCEPT — различия между версиями
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Текущая версия на 10:04, 26 мая 2010
ACCEPT
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>
Accept input and pass into a query
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>
accept x prompt "Enter date[yyyy-mm-dd]: "
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>