Tài liệu Teach Yourself PL/SQL in 21 Days- P14 ppt

... ‘Connect String1 to’ || ‘ String2’; BEGIN DBMS_OUTPUT.PUT_LINE(v_String1); DBMS_OUTPUT.PUT_LINE(v_String2); END; / Your output looks similar to Connect String1 to String2 Connect String1 to String2 4. ... CONCAT to link two strings together. Repeat the same line by using || instead of CONCAT. Here is one solution: DECLARE v_String1 VARCHAR2(60) := CONCAT(‘Connect String1 to’, ‘ String2’); v_S...

Ngày tải lên: 21/01/2014, 18:20

... Displaying Strings and Characters The puts() Function❍ The printf() Function❍ ● Reading Strings from the Keyboard Inputting Strings Using the gets() Function❍ Inputting Strings Using the ... "Pointers: Beyond the Basics." Incrementing You can add an integer to a pointer in order to point to a different memory location. Decrementing You can subtract an integer from a pointer...

Ngày tải lên: 26/01/2014, 15:20

... result. Outer Joins versus Inner Joins Just as the non-equi-join balances the equi-join, an outer join complements the inner join. An inner join is where the rows of the tables are combined with each ... 1200.00 TANDEM ANALYSIS: This information is a result of joining three tables. You can now use this information to create an invoice. NOTE: In the example at the beginning of the day, S...

Ngày tải lên: 06/08/2013, 17:39

... this writing, PHP is at version 3, but version 4 is in beta and will be released soon. This introductory chapter intentionally avoids going into a close principles. Installing and Running PHP ... script in which they are used and in any scripts that are included in that one (you'll look at incorporating one script into another script soon, using the INCLUDE statement). In t...

Ngày tải lên: 25/11/2013, 11:09

... Hour 424 21 Using Netscape To See the World Wide Web 425 Goals for This Hour 425 Introduction to the Internet 426 Task 21. 1: Starting Your Browser 427 Task 21. 2: Finding Some Sites 432 Task 21. 3: ... symbolic link. The filename shows just the specifics of the link, indicating that sys points to the directory usr/ sys. In fact, if you count the number of letters in the name usr/sys...

Ngày tải lên: 17/01/2014, 08:20

... Team Building Top Quick Tips Internet & Businesses Online Affiliate Revenue Blogging, RSS & Feeds Domain Name E-Book E-commerce Email Marketing Ezine Marketing Ezine Publishing Forums ... makes long-term link maintenance a real possibility. • Distribution In addition to linking, XML introduces a far more sophisticated method of including link targets in the current inst...

Ngày tải lên: 05/03/2014, 23:20

... there is no prototype for main, add the line int main(); just before line 3. You will need to add this line before the beginning of the main function in every program in this book. Most compilers ... WARNING: The following listing contains line numbers on the left. These numbers are for reference within the book. They should not be typed in to your editor. For example, in line 1...

Ngày tải lên: 17/03/2014, 13:20

... Applet 211 More About Flicker: Double-Buffering 212 Creating Applets with Double-Buffering 212 An Example: Checkers Revisited 213 Summary 214 Q&A 215 Day 12 Managing Simple Events and Interactivity ... 8:11 PM13 Teach Yourself JAVA in 21 Days M T W T F S S 21 xiv P2/V4SQC6 TY Java in 21 Days 030-4 louisa 12.31.95 FM LP#4 An Example: Entering, Displaying, and Movi...

Ngày tải lên: 18/03/2014, 23:20

... Clauses in SQL Day 6 Joining Tables Day 7 Subqueries: The Embedded SELECT Statement Week 1 in Review Week 2 at a Glance Day 8 Manipulating Data Day 9 Creating and Maintaining Tables driver. Depending ... (API) to underlying database systems. It communicates with the database through a library driver, just as Windows communicates with a printer via a printer Teach Yourself SQL in 2...

Ngày tải lên: 01/04/2014, 10:20

... degree in engineering at Strathclyde. Jinjer Simon has been actively involved in the computer industry for the past 17 years. Her involvement in the industry has included programming, providing software ... Windows and Frames 383 What Are Windows and Frames? 384 Window Properties and Methods 385 Determining Window Location 390 Working with Window History 393 Working with the Status Line...

Ngày tải lên: 28/04/2014, 17:07