Tài liệu Teach Yourself Perl 5 in 21 days doc

... #!/usr/local/bin /perl 2: # this program reads a line of input, and writes the line 3: # back out 4: $inputline = <STDIN>; # read a line of input 5: print( $inputline ); # write the line out $ ... example, the following statements are identical in Perl: $inputline = <STDIN>; $inputline=<STDIN>; $inputline = <STDIN>; Your statements can take up as many lines of c...

Ngày tải lên: 17/01/2014, 08:20

... flexibility in looping, whether you are stepping through a loop or even executing a loop. Listing 5. 9 demonstrates stepping through the loop. This sequence increments v_Radius by a value of 2 from line ... problems in any coding situation and can be difficult to resolve. Next, you will see how to code EXIT WHEN instead of EXIT in Listing 5. 13 to achieve the same results. L ISTIN...

Ngày tải lên: 15/12/2013, 05:15

... resulting month does not have as many days. (For example, April 30th is the answer to adding one month.) The following three examples in Listing 6 .21 provide the same result. L ISTING 6 .21 Adding ... the SQL*Plus prompt. The code in Listing 7.2 illustrates the PUT_LINE command line that you can include inside a procedure. L ISTING 7.2 The PUT_LINE Command Within a Procedure CREATE...

Ngày tải lên: 15/12/2013, 05:15

... containing any of the following: OPEN stock_listing_cur (stock_listing.name, ‘ABCDEFG’); OPEN stock)listing_cur (stock_listing_name, stock_listing_price); Fetching Data in a Cursor You get data into ... REPAIR GUTTING PAYROLL SCALE PROCESSING SEWAGE TECHNICAL WRITING UNLOADING UNLOADING The cursor all_depts is declared in lines 2 5. In line 7, a record variable named dept is declared...

Ngày tải lên: 15/12/2013, 05:15

... LOOP 51 : IF depts.exists(inx1) THEN 52 : DBMS_OUTPUT.PUT_LINE ( 53 : depts(inx1).dept_id || 54 : ‘ ‘ || depts(inx1).dept_name); 55 : END IF; 56 : END LOOP; 57 : 58 : END; 59 : / 280 Day 10 L ISTING 10 .5 continued 14 ... imagina- tion. Some common uses are • Enforcing business rules • Maintaining referential integrity • Enforcing security • Maintaining a historical log of changes •...

Ngày tải lên: 15/12/2013, 05:15

... database. L ISTING 12.8 Inserting Some building Objects 1: INSERT INTO buildings 2: values (building(‘Victor Building’, 3: address(‘203 Washington Square’,’ ‘,’Lansing’, 4: ‘MI’,’48823’,’ ‘), 5: 59 7)); 1 row ... (SELF IN building, 8: OtherBuilding IN building) 9: RETURN INTEGER 10: ); 11: / 12: CREATE OR REPLACE TYPE BODY building AS 13: MEMBER PROCEDURE ChangeMgr(SELF IN OUT buildi...

Ngày tải lên: 15/12/2013, 05:15

... LOBS; LOB_INDEX CLOB_LOCATOR 1 Teach Yourself Oracle8 in 21 Days 2 Oracle Data Warehousing Unleashed 3 Teach Yourself Database Development With Oracle in 21 Days 4 Oracle Unleashed 2E 5 Teach Yourself ... LOBS; LOB_INDEX CLOB_LOCATOR 1 Teach Yourself Oracle8i in 21 Days 2 Oracle Data Warehousing Unleashed 3 Teach Yourself Database Development With...

Ngày tải lên: 15/12/2013, 05:15

... IMMEDIATE statement. EXECUTE IMMEDIATE string [INTO {variable[, variable] | record}] [USING [IN | OUT | IN OUT] bind [, [IN | OUT | IN OUT] bind] ]; In this syntax the parameters are as follows: • string is a variable ... DBMS_SQL package. Listing 16.7 shows a PL/SQL block that dynamically generates an INSERT statement, and then uses it to insert data into the table yourtable ,crea...

Ngày tải lên: 15/12/2013, 05:15

... seen in the following example. PROCEDURE SUBMIT(job_number OUT BINARY_INTEGER, job_to_submit IN VARCHAR2, next_run IN DATE DEFAULT SYSDATE, interval IN VARCHAR2 DEFAULT NULL, job_parsing IN BOOLEAN ... watermark. Writing to Files and the Display 491 17 GET_LINES occurs in lines 32–34. The lines_to_get parameter contains the value 3 , telling GET_LINES to return all three names....

Ngày tải lên: 15/12/2013, 05:15

... data. 55 2 Day 19 L ISTING 19.8 continued O UTPUT A NALYSIS 25 7982 ch19 11/30/99 1:32 PM Page 55 2 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. PL/SQL and Java 56 5 20 • filename is ... session. 55 6 Day 19 25 7982 ch19 11/30/99 1:32 PM Page 55 6 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Alerting and Communicating wi...

Ngày tải lên: 15/12/2013, 05:15