Oracle PL SQL by example 5th
Tài liệu Oracle PL/SQL by Example- P1 docx
... Introduction FOR EXAMPLE SELECT REGEXP_COUNT ( 'Oracle PL/SQL By Example Updated for Oracle 11g', 'ora', 1, 'i') FROM dual; REGEXP_COUNT('ORACLEPL/SQLBYEXAMPLEUPDATEDFORORACLE11G','ORA',1,'I') ... EXAMPLE SELECT REGEXP_INSTR ( 'Oracle PL/SQL By Example Updated for Oracle 11g', '((ora)(cle))', 1, 2, 0, 'i') FROM dual; REGEXP_INSTR('ORACLEPL/SQLBYEXAMPLEUPDATEDFORORACLE11G', ) ......
Tài liệu Oracle PL/SQL by Example- P2 pptx
... DDL.) However, DML is easily achieved either by use of variables or by simply putting a DML statement into a PL/SQL block Here is an example of a PL/SQL block that UPDATEs an existing entry in ... INSERT INTO zipcode (ZIP, CREATED _BY ,CREATED_DATE, MODIFIED _BY, MODIFIED_DATE ) VALUES(v_zip, v_user, v_date, v_user, v_date); END; BY THE WAY SELECT statements in PL/SQL that return...
Tài liệu Oracle PL/SQL by Example- P3 pdf
... by one v_sec_num := v_sec_num + 1; INSERT INTO section (section_id, course_no, section_no, instructor_id, created_date, created _by, modified_date, Please purchase PDF Split-Merge on www.verypdf.com ... following PL/SQL script: ch04_4a.sql, version 1.0 SET SERVEROUTPUT ON DECLARE v_temp_in NUMBER := &sv_temp_in; v_scale_in CHAR := '&sv_scale_in'; Please purchase PDF Split-Merge on www...
Tài liệu Oracle PL/SQL by Example- P4 doc
... the value of v_counter is incremented by inside the body of the loop? ANSWER: If the value of v_counter is incremented by inside the body of the loop, the PL/SQL block does not compile successfully ... Factorial of ten is: 3628800 PL/SQL procedure successfully completed The value of v_factorial computed by this loop is equal to the value of v_factorial computed by the original loo...
Tài liệu Oracle PL/SQL by Example- P5 docx
... always predict what exception might be raised by your PL/SQL block For cases like this, there is a special exception handler called OTHERS All predefined Oracle errors (exceptions) can be handled ... following output: An error has occurred in the program PL/SQL procedure successfully completed In this example, the PL/SQL block is enclosed by another block, and the program can comp...
Tài liệu Oracle PL/SQL by Example- P6 pptx
... generated $0 by instructor Fernand Hanks is by instructor Tom Wojick is by instructor Nina Schorin is by instructor Gary Pertez is by instructor Anita Morris is by instructor Todd Smythe is by instructor ... Frantzen is by instructor Charles Lowry is by instructor Rick Chow is by instructor Irene Willig is In this example, the nested cursor is tied to the current row of th...
Tài liệu Oracle PL/SQL by Example- P7 docx
... determines the values for the columns CREATED _BY, MODIFIED _BY, CREATED_DATE, and MODIFIED_DATE In addition, it determines if the value of zip provided by an INSERT statement is valid Create the ... mentioned previously, the ability to access a sequence via a PL/SQL expression is a new feature introduced in Oracle 11g Prior to Oracle 11g, you needed to employ the SELECT INTO statemen...
Tài liệu Oracle PL/SQL by Example- P8 pptx
... BEGIN Populate index by table FOR i IN 10 LOOP index _by_ table(i) := i; END LOOP; IF index _by_ table.EXISTS(3) THEN DBMS_OUTPUT.PUT_LINE ('index _by_ table(3) = '||index _by_ table(3)); END IF; ... the output returned by this example: index _by_ table(3) = nested_table.COUNT = index _by_ table.COUNT = nested_table.FIRST = nested_table.LAST = index _by_ table.FIRST = index _by_ table.LAS...
Tài liệu Oracle PL/SQL by Example- P9 pdf
... returned by the cursor Finally, you define a counter variable so that only the first ten rows returned by the cursor are displayed on the screen Please purchase PDF Split-Merge on www.verypdf.com ... procedures Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark This page intentionally left blank Please purchase PDF Split-Merge on www.verypdf.com to remove t...
Tài liệu Oracle PL/SQL by Example- P10 ppt
... string_type IS TABLE OF VARCHAR2(100) INDEX BY PLS_INTEGER; TYPE date_type IS TABLE OF DATE INDEX BY PLS_INTEGER; Declare collection variables to be used by the FORALL statement zip_tab string_type; ... state_tab, cr _by_ tab, cr_date_tab, mod _by_ tab, mod_date_tab FROM zipcode WHERE state = 'CT'; Populate MY_ZIPCODE table FORALL i in zip_tab.COUNT INSERT INTO my_zipcode (zip, city, st...
Tài liệu Oracle PL/SQL by Example- P11 docx
... found under the directory that your Oracle server is installed in This directory is refered to as the ORACLE_ HOME The subdirectory would be as follows: ( $ORACLE_ HOME/rdbms/admin/utldtree.sql) ... variations in SQL statements, not PL/SQL You cannot store cursor variables in an associative array, nested table, or varray If you pass a host cursor variable to PL/SQL, you cannot fetch fro...
Tài liệu Oracle PL/SQL by Example- P12 pptx
... with DBMS_JOB The Oracle- supplied package DBMS_JOB allows you to schedule the execution of a PL/SQL procedure It was introduced in PL/SQL version 2.2 DBMS_JOB is an Oracle PL/SQL package provided ... achieve with PL/SQL alone The reason is that the Oracle- supplied packages use the C programming language; this is not something that you can with ordinary PL/SQL packages This mea...
Tài liệu Oracle PL/SQL by Example- P13 pdf
... are being generated by PL/SQL stored procedures by means of Oracle Application Server 10g, another PL/SQL procedure is the action of the HTML form and receives the form’s data PL/SQL can read these ... pages First introduced with the Oracle Application Server available with Oracle 8i, Oracle Application Server 10g provides a collection of PL/SQL packages called the PL/SQL...
Tài liệu Oracle PL/SQL by Example- P14 pptx
... the original PL/SQL block (the PL/SQL block from the original script) has been enclosed in another block: SET SERVEROUTPUT ON Outer PL/SQL block BEGIN This block became inner PL/SQL block ... THEN :NEW.created _by := v_user; :NEW.created_date := v_date; ELSIF UPDATING THEN :NEW.created _by := :OLD.created _by; :NEW.created_date := :OLD.created_date; END IF; :NEW.modified _by := v_u...
Tài liệu Oracle PL/SQL by Example- P15 pptx
... IF in_cr _by IS NULL THEN created _by := USER; ELSE created _by := in_cr _by; END IF; IF in_cr_date IS NULL THEN created_date := SYSDATE; ELSE created_date := in_cr_date; END IF; IF in_mod _by IS NULL ... 43 in PL/SQL blocks, 44 student_id_seq, 44 Oracle SQL by Example, Third Edition, 568 Oracle Web Application Programming for PL/SQL Developers, 580 Oracle Web Toolkit client-s...
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