Tài liệu Summary of PL / SQL pdf

... Oracle: SQL and PL/ SQL Using Procedure Builder26Ć10 Summary of PL/ SQL 26Ć3 Summary PL/ SQL (Procedural Language /SQL) is an extension to SQL. It is a language that allows you to combine multiple SQL ... Builder26Ć4 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder26Ć6 Summary of PL/ SQL 26Ć9 Practice Overview This practice has you build a PL/...

Ngày tải lên: 17/01/2014, 09:20

Ngày tải lên: 24/01/2014, 10:20

... Overview of PL/ SQL 18Ć15 The PL/ SQL Environment PL/ SQL is not an Oracle product in its own right; it is a technology employed by the Oracle7 Server and by certain Oracle tools. Blocks of PL/ SQL are ... number of applications. Application subprograms pass blocks to that application’s local PL/ SQL engine. Work is done at the application site, not at the server site. Ov...

Ngày tải lên: 24/01/2014, 10:20

... database, manipulate the SQL* Plus environment, and display column definitions. Summary of SQL and SQL* Plus 17Ć5 Summary of SQL and SQL* Plus continued Structured Query Language, SQL* Plus, and PL/ SQL commands ... SQL and SQL* Plus 17Ć3 Summary of SQL and SQL* Plus The SQL and SQL* Plus module of the Introduction to Oracle course covered relational database...

Ngày tải lên: 09/12/2013, 17:15

... line. The tells SQL Server to ignore everything up to the end of that line. A multi-line comment begins with an open comment mark (/* ) and ends with a close comment mark ( */) : /* A multi-line ... one line. */ The /* tells SQL Server to ignore everything up to the next */ mark, no matter how many lines forward it is. If you were to use single-line comments in th...

Ngày tải lên: 14/12/2013, 13:15

... a Lower-Level Block You can’t jump from an outer block of PL/ SQL code back to an inner block of PL/ SQL code. Listing 5.1 is an example of an illegal GOTO call. The following listing, and the ... the actual output as the PL/ SQL code executes to make PL/ SQL easier to understand. Note 07 7982 ch05 11.8.00 11:23 AM Page 134 Please purchase PDF Split-Merge on www.verypdf.c...

Ngày tải lên: 15/12/2013, 05:15

... that supports PL/ SQL, such as SQL* Plus. Why Use Procedures? Procedures are created to solve a specific problem or task. PL/ SQL procedures offer the following advantages: •In PL/ SQL, you can tailor ... Split-Merge on www.verypdf.com to remove this watermark. D AY 8 W EEK 2 Using SQL by Tom Luers By definition, PL/ SQL is SQL s procedural language extension. PL/ SQL sup- po...

Ngày tải lên: 15/12/2013, 05:15

... portion of your PL/ SQL block. Declaring a cursor accom- plishes two goals: 13 7982 CH09 1 1/3 0/9 9 1:14 PM Page 246 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Using SQL ... Set Oracle Database PL/ SQL Program PL/ SQL Block Variables Fetch Issued F IGURE 9.3 View of the opened cursor after the FETCH command is issued. 13 7982 CH09 1 1/...

Ngày tải lên: 15/12/2013, 05:15

... 1 1/3 0/9 9 1:12 PM Page 325 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Writing Database Triggers 319 11 • DECLARE END; You can optionally replace the entire PL/ SQL ... needed by this PL/ SQL block. • pl/ sql_ code is the PL/ SQL code that gets executed when the trigger fires. • DECLARE END; You can optionally replace the entire PL/ SQL b...

Ngày tải lên: 15/12/2013, 05:15