chinese hsk grammar in 21 days (advanced)
Teach yourself SQL in 21 days
... 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
Sam visual csharp in 21 days
... starting point in an application: Main() . After you examined a listing, you dug into storing basic information in a C# application using variables. You learned how the computer stores information. ... be printed later in the listing. Line 9 declares an integer and assigns the value 321 to it. Line 10 defines a double and assigns the value 123.45 . Lines 12–13 print two pieces of te...
Ngày tải lên: 06/08/2013, 17:48
Teach Yourself PL/SQL in 21 Days- P16
... 143 loops, 121 CURSOR FOR, 254 debugging, 136 FOR, 121- 122, 146 common errors, 124 EXIT statement, 140 listing, 121 nesting, 121 guidelines, 147 incrementing through, 123-124 listing, 123 infinite, ... creating, 54 creating (security exam- ple), 538-539 data integrity (maintain- ing), 300-304 listing, 302 defining, 299-300, 313, 319 delete, 296 enabling/disabling, 310-311 event, 311-312 d...
Ngày tải lên: 20/10/2013, 17:15
Contents i What’s New with This Edition Teach Yourself ANSI C++ in 21 Days, Premier Edition, is
... accepted in C++ and entrenched in the way C++ programmers think, use a class whenever in doubt. Try entering Listing 6.8 again with these changes: In line 3, change class Point to struct Point . In ... ANSI C++ in 21 30887-6 andy 2 .21. 96 CH06 LP#3 6 Inline Implementation Just as you can ask the compiler to make a regular function inline, you can make class methods inline. T...
Ngày tải lên: 20/10/2013, 17:15
Teach Yourself PL/SQL in 21 Days- P1
... for Defining a Database Trigger 298 Uses for Triggers 300 Maintaining Data Integrity 300 Maintaining History 304 Managing Triggers 307 Listing Triggers 308 Viewing Trigger Code 309 Enabling and ... watermark. Summary 215 Q&A 215 Workshop 215 Quiz 215 Exercises 216 W EEK 1 In Review 217 W EEK 2 At a Glance 219 D AY 8 Using SQL 221 Types of SQL DML Statements 223 Creating S...
Ngày tải lên: 07/11/2013, 20:15
Teach Yourself PL/SQL in 21 Days- P2
... watermark. Writing Declarations and Blocks 41 2 BINARY_INTEGER The BINARY_INTEGER datatype is used for declaring signed integer variables. Compared to the NUMBER datatype, BINARY_INTEGER variables ... BINARY_INTEGER Datatype variable_name BINARY_INTEGER; In this syntax, variable_name is whatever you want to name the variable. Here is a sample declaration: my_integer BINARY_INTEGER; A BINA...
Ngày tải lên: 07/11/2013, 20:15
Teach Yourself PL/SQL in 21 Days- P3
... Concatenation Operator string_1 || string_2 In this syntax, string_1 and string_2 are both character strings and can be either string constants, string variables, or a string expression. The concatenation ... a result consisting of all the characters in string_1 followed by all the characters in string_2 . Listing 3.6 shows several ways in which you can use the concatenation operator...
Ngày tải lên: 07/11/2013, 20:15
Sam's teach yourself MySQL in 21 days
... 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
Tài liệu Teach Yourself PL/SQL in 21 Days- P4 pptx
... spacing should include aligning the END LOOP with the LOOP statement and the usual indent of five spaces for statements within the loop. Listing 5 .21 contains an exam- ple in which the spacing ... appears confusing because the code doesn’t follow these tips. After Listing 5 .21, you will see the same example with a better style of coding in Listings 5.22 and 5.23. L ISTING 5 .21 A Co...
Ngày tải lên: 15/12/2013, 05:15