Oracle PL/SQL/SQL Plus/SPOOL — различия между версиями

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м (1 версия)
 
м (1 версия)
 
(нет различий)

Текущая версия на 09:58, 26 мая 2010

Extracts data from the emp table and writes it to a text file in a comma-delimited format

    
SQL> CREATE TABLE emp (
  2    emp_id               NUMBER,
  3    ename             VARCHAR2(40),
  4    hire_date        DATE DEFAULT sysdate,
  5    end_date DATE,
  6    rate     NUMBER(5,2),
  7    CONSTRAINT emp_pk    PRIMARY KEY (emp_id)
  8  );
Table created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (101, "Mary", to_date("15-Nov-1961","dd-mon-yyyy"),null,169);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (102, "Tom", to_date("16-Sep-1964","dd-mon-yyyy"),to_date("5-May-2004","dd-mon-yyyy"),135);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (104, "Peter", to_date("29-Dec-1987","dd-mon-yyyy"),to_date("1-Apr-2004","dd-mon-yyyy"),99);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (105, "Mike", to_date("15-Jun-2004","dd-mon-yyyy"),null,121);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (107, "Less", to_date("2-Jan-2004","dd-mon-yyyy"),null,45);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (108, "Park", to_date("1-Mar-1994","dd-mon-yyyy"),to_date("15-Nov-2004","dd-mon-yyyy"),220);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (110, "Ink", to_date("4-Apr-2004","dd-mon-yyyy"),to_date("30-Sep-2004","dd-mon-yyyy"),84);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (111, "Tike", to_date("23-Aug-1976","dd-mon-yyyy"),null,100);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (112, "Inn", to_date("15-Nov-1961","dd-mon-yyyy"),to_date("4-Apr-2004","dd-mon-yyyy"),70);
1 row created.
SQL> INSERT INTO emp(emp_id, ename, hire_date,end_date, rate)VALUES (113, "Kate", to_date("3-Mar-2004","dd-mon-yyyy"),to_date("31-Oct-2004","dd-mon-yyyy"),300);
1 row created.
SQL>
SQL> --Set the linesize large enough to accommodate the longest possible line.
SQL> SET LINESIZE 80
SQL>
SQL> --Turn off all page headings, column headings, etc.
SQL> SET PAGESIZE 0
SQL>
SQL> --Turn off feedback
SQL> SET FEEDBACK OFF
SQL>
SQL> --Eliminate trailing blanks at the end of a line.
SQL> SET TRIMSPOOL ON
SQL>
SQL> SET TERMOUT OFF
SQL> SPOOL current_emps.csv
SQL> SELECT ""ID","Billing Rate","Hire Date","Name""
  2  FROM dual;
"ID","Billing Rate","Hire Date","Name"
SQL>
SQL> SELECT    TO_CHAR(emp_id) || ","
  2         || TO_CHAR(rate) || ","
  3         || TO_CHAR(hire_date,"MM/DD/YYYY") || ","
  4         || """ || ename || """
  5  FROM emp
  6  WHERE end_date IS NULL;
101,169,11/15/1961,"Mary"
105,121,06/15/2004,"Mike"
107,45,01/02/2004,"Less"
111,100,08/23/1976,"Tike"
SQL> SPOOL OFF
SQL>
SQL> SET FEEDBACK ON
SQL>
SQL> drop table emp;
Table dropped.



Spooling files on and off

   
SQL>
SQL> CREATE TABLE product (
  2       product_name     VARCHAR2(25),
  3       product_price    NUMBER(4,2),
  4       quantity_on_hand NUMBER(5,0),
  5       last_stock_date  DATE);
Table created.
SQL>
SQL> INSERT INTO product VALUES ("Small Widget", 99, 1, "15-JAN-03");
1 row created.
SQL> INSERT INTO product VALUES ("Medium Widget", 75, 1000, "15-JAN-02");
1 row created.
SQL> INSERT INTO product VALUES ("Product Number", 50, 100, "15-JAN-03");
1 row created.
SQL> INSERT INTO product VALUES ("Round Church Station", 25, 10000, null);
1 row created.
SQL>
SQL>
SQL> SPOOL c:\test.prn
SQL> SELECT * FROM product;
PRODUCT_NAME              PRODUCT_PRICE QUANTITY_ON_HAND LAST_STOC
------------------------- ------------- ---------------- ---------
Small Widget                         99                1 15-JAN-03
Medium Widget                        75             1000 15-JAN-02
Product Number                       50              100 15-JAN-03
Round Church Station                 25            10000
SQL> SPOOL OFF
SQL>
SQL> DROP TABLE product;
Table dropped.
SQL>



SPOOL query result to a file

   
SQL>
SQL> BTITLE SKIP 2 CENTER "Page  " SQL.PNO
SQL> BREAK ON table_name SKIP 1
SQL> COLUMN table_name  FORMAT A20    HEADING "Table"
SQL> COLUMN column_name FORMAT A22    HEADING "Column"
SQL> COLUMN data_type   FORMAT A10    HEADING "Data|Type"
SQL> COLUMN data_length FORMAT 999999 HEADING "Length"
SQL> COLUMN data_scale  FORMAT 99999  HEADING "Scale"
SQL> COLUMN nullable    FORMAT A5     HEADING "Null"
SQL>
SQL> SPOOL 4_1.lis
SQL> SELECT table_name, column_name, data_type,
  2         DECODE(data_length, 22, data_precision,
  3                data_length) data_length,
  4         data_scale, nullable
  5  FROM   user_tab_columns
  6  where  rownum < 50
  7  ORDER BY table_name, column_id;
no rows selected
SQL> SPOOL OFF
SQL>
SQL> SPOOL OFF
not spooling currently
SQL>



spool to a file with text string concatenation

   
SQL>
SQL>
SQL> set heading off
SQL> set feedback off
SQL> set echo off
SQL>
SQL> spool tabsyns.sql
SQL>
SQL> select "create public synonym " || table_name ||
  2         " for " || table_name || ";"
  3    from user_tables
  4    where rownum < 50;

create public synonym MYTABLE_SESSION for MYTABLE_SESSION;
create public synonym DONE for DONE;
create public synonym EMP_CHANGES for EMP_CHANGES;
create public synonym AQ$_EMP_CHANGES_S for AQ$_EMP_CHANGES_S;
create public synonym AQ$_EMP_CHANGES_T for AQ$_EMP_CHANGES_T;
create public synonym AQ$_EMP_CHANGES_H for AQ$_EMP_CHANGES_H;
create public synonym COMPILE_SCHEMA_TMP for COMPILE_SCHEMA_TMP;
create public synonym TEMP_EMP for TEMP_EMP;
create public synonym UPPER_ENAME for UPPER_ENAME;
create public synonym SYS_IOT_OVER_16251 for SYS_IOT_OVER_16251;
create public synonym AQ$_EMP_CHANGES_G for AQ$_EMP_CHANGES_G;
create public synonym AQ$_EMP_CHANGES_I for AQ$_EMP_CHANGES_I;
create public synonym DEPT_AND_EMP for DEPT_AND_EMP;

create public synonym EMP_REG for EMP_REG;
create public synonym SESS_EVENT for SESS_EVENT;
create public synonym PAGES for PAGES;
SQL>
SQL> spool off
SQL> set echo on
SQL> set heading on
SQL> set feedback on
SQL>
SQL>
SQL>



spool to report.txt replace

    
SQL>
SQL> create table emp
  2  ( empno      NUMBER(4)    constraint E_PK primary key
  3  , ename      VARCHAR2(8)
  4  , init       VARCHAR2(5)
  5  , job        VARCHAR2(8)
  6  , mgr        NUMBER(4)
  7  , bdate      DATE
  8  , sal        NUMBER(6,2)
  9  , comm       NUMBER(6,2)
 10  , deptno     NUMBER(2)    default 10
 11  ) ;
Table created.
SQL> insert into emp values(1,"Tom","N",   "TRAINER", 13,date "1965-12-17",  800 , NULL,  20);
1 row created.
SQL> insert into emp values(2,"Jack","JAM", "Tester",6,date "1961-02-20",  1600, 300,   30);
1 row created.
SQL> insert into emp values(3,"Wil","TF" ,  "Tester",6,date "1962-02-22",  1250, 500,   30);
1 row created.
SQL> insert into emp values(4,"Jane","JM",  "Designer", 9,date "1967-04-02",  2975, NULL,  20);
1 row created.
SQL> insert into emp values(5,"Mary","P",  "Tester",6,date "1956-09-28",  1250, 1400,  30);
1 row created.
SQL> insert into emp values(6,"Black","R",   "Designer", 9,date "1963-11-01",  2850, NULL,  30);
1 row created.
SQL> insert into emp values(7,"Chris","AB",  "Designer", 9,date "1965-06-09",  2450, NULL,  10);
1 row created.
SQL> insert into emp values(8,"Smart","SCJ", "TRAINER", 4,date "1959-11-26",  3000, NULL,  20);
1 row created.
SQL> insert into emp values(9,"Peter","CC",   "Designer",NULL,date "1952-11-17",  5000, NULL,  10);
1 row created.
SQL> insert into emp values(10,"Take","JJ", "Tester",6,date "1968-09-28",  1500, 0,     30);
1 row created.
SQL> insert into emp values(11,"Ana","AA",  "TRAINER", 8,date "1966-12-30",  1100, NULL,  20);
1 row created.
SQL> insert into emp values(12,"Jane","R",   "Manager",   6,date "1969-12-03",  800 , NULL,  30);
1 row created.
SQL> insert into emp values(13,"Fake","MG",   "TRAINER", 4,date "1959-02-13",  3000, NULL,  20);
1 row created.
SQL> insert into emp values(14,"Mike","TJA","Manager",   7,date "1962-01-23",  1300, NULL,  10);
1 row created.
SQL>
SQL> set     pause off
SQL> break   on deptno skip page -
>         on job
SQL>
SQL> compute sum label total of sal on deptno
SQL> compute count number    of comm on deptno
SQL>
SQL> set     trimspool on
SQL> set     feedback off
SQL> spool   report.txt replace
SQL>
SQL> select  deptno, job, empno, ename, sal, comm
  2  from    emp
  3  order   by deptno, job;
DEPTNO JOB       EMPNO ENAME       SAL   COMM
------ -------- ------ -------- ------ ------
    10 Designer      7 Chris      2450  [N/A]
                     9 Peter      5000  [N/A]
       Manager      14 Mike       1300  [N/A]
****** ********                 ------ ------
count                                       0
number                                      3
total                             8750
DEPTNO JOB       EMPNO ENAME       SAL   COMM
------ -------- ------ -------- ------ ------
    20 Designer      4 Jane       2975  [N/A]
       TRAINER       8 Smart      3000  [N/A]
                    11 Ana        1100  [N/A]
                    13 Fake       3000  [N/A]
                     1 Tom         800  [N/A]
****** ********                 ------ ------
count                                       0
number                                      5
total                            10875
DEPTNO JOB       EMPNO ENAME       SAL   COMM
------ -------- ------ -------- ------ ------
    30 Designer      6 Black      2850  [N/A]
       Manager      12 Jane        800  [N/A]
       Tester       10 Take       1500      0
                     2 Jack       1600    300
                     3 Wil        1250    500
                     5 Mary       1250   1400
****** ********                 ------ ------
count                                       4
number                                      6
total                             9250
SQL>
SQL> spool   off
SQL>
SQL> clear   computes
computes cleared
SQL> clear   breaks
breaks cleared
SQL> set     pause on
SQL> set     feedback on
SQL>
SQL>
SQL>
SQL> drop table emp;
Table dropped.
SQL>