Tài liệu Oracle SQL Jumpstart with Examples- P3 docx

... time.  Parallel queries execute SQL statements in parallel, preferably using multiple CPU platforms and Oracle Partitioning. Let’s look at some of the query types briefly, starting with the simple query. Chap4.fm ... *. An asterisk (*) represents all column names within a query when used in the SELECT statement. Square brackets mean you can include the items within the square brack- ets...

Ngày tải lên: 24/12/2013, 12:17

... Oracle SQL Jumpstart with Examples ! The title of this book was originally Oracle SQL Reference, but during the writing process, we set our hearts on the new title Oracle SQL Jumpstart with ... Chapter 2. New Features of Oracle SQL This chapter covers new Oracle SQL and PL /SQL features for both Oracle Database 10 g and Oracle Database 9 i . C...

Ngày tải lên: 24/12/2013, 12:17

... have three scripts named A .SQL, B .SQL, and C .SQL in the C:\TEMP directory /tmp on UNIX. The script A .SQL has an SQL* Plus command to run the B .SQL and B .SQL calls C .SQL. You could start the primary ... PCOLL('two','three','four'); P3 PCOLL; BEGIN P3 := P1 MULTISET EXCEPT P2; FOR i IN P3. FIRST P3. LAST LOOP DBMS_OUTPUT.PUT_LINE (P3( i)); END LOO...

Ngày tải lên: 24/12/2013, 12:17

... Web browser and the server. 8.4.2 iSQL*Plus versus SQL* Plus The main features of iSQL*Plus are similar to the features of SQL* Plus or SQL* Plus Worksheet:  Enter SQL commands in a box and click ... on Oracle SQL single-row functions can be found in Oracle documentation both online and in Oracle software docu- mentation. Specific reference details of all functions can be found i...

Ngày tải lên: 24/12/2013, 12:17

... to do with actually “doing things” to XML structures, with Oracle SQL commands. We want to know the “what” and not the “how.” In other words, what can we do with XML documents in Oracle SQL, not ... functions in detail. 17.2.1.2.1 The SQL/ XML Standard As already stated, SQL/ XML adheres to SQL/ XML INCITS standards. The following functions are available to Oracle SQL:...

Ngày tải lên: 24/12/2013, 12:17

... with Joins Modifying data through a view that joins two tables is tricky. In addition to all the rules that Oracle Database 10g imposes on simple views, there are still more rules for views with ... views include a wide variety of queries. Two common ones are views with joins and views with inline subqueries. 19.3.3.1 Views with Joins Let’s dive right in by creating a complex...

Ngày tải lên: 21/01/2014, 18:20

... ROUND(rand,0); exception when others then dbms_output.put_line('FUNC: rand '||SQLERRM(SQLCODE)); end; / @@lastname .sql; @@firstname .sql; Appendix_A.fm Page 616 Thursday, July 29, 2004 10:17 PM Please purchase ... STUDIOTIME_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE MUSICCD_ID_SEQ START WITH 1 INCREMENT BY 1 NOMAXVALUE NOCYCLE; CREATE SEQUENCE GE...

Ngày tải lên: 21/01/2014, 18:20

... 30 Windows-like functions, 30 See also SQL tools SQL tools, 19–34 iSQL*Plus, 19, 31–34 SQL* Plus Command Line, 19–24 SQL* Plus Windows, 19, 24–28 SQL* Plus Worksheet, 19, 28–31 SQL/ XML standard, 363–72 SQRT ... addresses:  oracledbaexpert@earthlink.net  carolmdieter@yahoo.com Oracle Technology Network at http://technet .oracle. com or http:// otn .oracle. com is an excell...

Ngày tải lên: 21/01/2014, 18:20

... with Oracle Database 10 g . 2.1 New Features in Oracle Database 10 g Oracle Database 10 g contains the following SQL and PL /SQL features. 2.1.1 Oracle SQL Improvements in Oracle ... introduction to PL /SQL programming is covered in Chapter 24.  Everything possible in Oracle SQL with respect to SQL coding can now be coded and executed from within PL...

Ngày tải lên: 24/12/2013, 12:17

... Used? Subqueries can be used almost anywhere in an SQL statement, in any SQL command where an expression can be placed. Following are listed SQL statement clauses in which a subquery can be placed: ... func- tion, we start with the probability and compute the corresponding value for the cumulative distribution. 11.2.1.4 Ranking Functions  RANK(expression [, expression ]) WITHI...

Ngày tải lên: 24/12/2013, 12:17