teach yourself tcp ip in 14 days 2nd edition
Teach Yourself TCP-IP in 14 Days
Ngày tải lên :
09/11/2013, 02:15
... application into a common format, often called
Teach Yourself TCP/ IP in 14 Days, Second
Edition
The second edition of Teach Yourself TCP/ IP in 14 Days expands on the very popular first
edition, bringing ... issued in 1981, standardizing TCP/ IP version 4 for the ARPANET. In 1982,
TCP/ IP supplanted NCP as the dominant protocol of the growing network, which was now
connecting machines across the continent. ...
Recombining is the reverse of splitting, so that several
connections are combined into a single one for the layer above.
Multiplexing and splitting (and their reverses, demultiplexing and recombining)...
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Contents i What’s New with This Edition Teach Yourself ANSI C++ in 21 Days, Premier Edition, is
Ngày tải lên :
20/10/2013, 17:15
... This Edition
Teach Yourself ANSI C++ in 21 Days, Premier Edition, is a new edition of the
international bestseller, Teach Yourself C++ in 21 Days. This Premier Edition offers
more than just 21 days ... 747
D Answers 757
Index 831
iii
Contents
P2/V3/sqc5 TY ANSI C++ in 21 30887-6 Casey 2.23.96 FM LP#3
teach
yourself
ANSI C++
in 21 days,
Premier Edition
Teach Yourself ANSI C++ in 21 Days
ii
P2/V3/sqc5 ... paradigm used in C programming and
start thinking in objects.
Where You Are Going
The first week covers the material you need to get started with programming in general, and
with C++ in particular....
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Teach Yourself PL/SQL in 21 Days- P16
Ngày tải lên :
20/10/2013, 17:15
... with,
144
syntax, 143
nesting, 148
order of execution, 125
REPEAT UNTIL,
144 -146
example, 145
simulating, 145
reversing, 122-123
listing, 122
selecting, 146
spacing, 148
style tips, 148 -149
FOR ... 147
incrementing through,
123-124
listing, 123
infinite, 144 , 380
jumping into (GOTO), 130
labels, 142 -143
changing execution
order, 143
listing, 142
syntax, 142
LOOP, 144 , 146
example, 144
EXIT ... 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
defining,...
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Teach Yourself PL/SQL in 21 Days- P1
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... Example of a Simulated
REPEAT UNTIL
Loop 145
What Loop Should I Use? 146
Loop Guidelines 146
Style Tips for Loops 148
Recursion 149
Guidelines 149
Practicing Recursion 150
Why Use Recursion? 152
Summary ... Entries into an Index-by Table 267
Referencing Values in an Index-by Table 268
Changing Table Entries 270
Deleting Table Entries 270
PL/SQL Table Methods 271
Using Nested Tables 274
Declaring a ... Writing Database Triggers 293
12 Using Oracle8i Objects for Object-Oriented Programming 333
13 Debugging Your Code and Preventing Errors 371
14 Leveraging Large Object Types 401
W
EEK
2 In Review...
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Teach Yourself PL/SQL in 21 Days- P2
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07/11/2013, 20:15
... A
nested anonymous block begins on line 14 and ends on line 21. Lines 6 through 9 define
the
name_print
procedure.
The variable
a_name
is declared in the outermost block (see line 4), thus any nested
block, ... watermark.
Writing Declarations and Blocks 59
2
22:
23: DBMS_OUTPUT.PUT_LINE(‘Back in the main block’);
24:
25: But we cannot compile the following line because b_name
26: is not defined in this block.
27: ... value of
a_name
in line 12, the nested block displays the value of
a_name
in line
18, and in line 30 of the outer block, the nested procedure
name_print
is called to also
print the value of...
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Teach Yourself PL/SQL in 21 Days- P3
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07/11/2013, 20:15
... 4.15.
L
ISTING
4.15
Nesting
FOR
Loops
BEGIN
FOR v_outerloopcounter IN 1 2 LOOP
FOR v_innerloopcounter IN 1 4 LOOP
DBMS_OUTPUT.PUT_LINE(‘Outer Loop counter is ‘ ||
v_outerloopcounter ||
‘ Inner Loop ... returning a
NUMBER
. The next
line to enter is
RETURN NUMBER IS
You now need to start the body of your function by typing the keyword
BEGIN
:
BEGIN
Because you are not performing anything in this ... longer string and then does the comparison. Trailing spaces alone
will not result in any differences being found between two springs. Oracle also does the
same thing when comparing two string constants....
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Tài liệu Teach Yourself PL/SQL in 21 Days- P4 pptx
Ngày tải lên :
15/12/2013, 05:15
... (inverse) cosine of a number, expressed in radians.
ASIN
Returns the arc (inverse) sine of a number, expressed in radians.
ATAN
Returns the arc (inverse) tangent of a number (x), expressed in ...
CHAR
or
VARCHAR2
string into a
DATE
value.
TO_LABEL
Converts a
CHAR
or
VARCHAR2
string into a
MLSLABEL
.
TO_MULTI_BYTE
Converts any single-byte string of characters into a multibyte string.
TO_NUMBER
Converts ... fine-tuning
Oracle to speed up the process.
Tip
An Example of a Simulated
REPEAT UNTIL
Loop
Enter the code in Listing 5.20. You are still calculating the area of a circle as you did in
Listings...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P5 doc
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15/12/2013, 05:15
... the SQL*Plus prompt.
The code in Listing 7.2 illustrates the
PUT_LINE
command line that you can include
inside a procedure.
L
ISTING
7.2
The
PUT_LINE
Command Within a Procedure
CREATE OR REPLACE ... left in the given month.
LAST_DAY(input_date_passed)
You will compute the last days in the month when summer officially starts from 1999.
Execute the code in Listing 6.27.
L
ISTING
6.27
Finding ... using the
SYSDATE
,the corresponding time value is returned when the function is called.
You can find the first Monday for August 1999 by executing the code in Listing 6.24.
L
ISTING
6.24
Finding...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P6 docx
Ngày tải lên :
15/12/2013, 05:15
... containing any of the
following:
OPEN stock_listing_cur (stock_listing.name, ‘ABCDEFG’);
OPEN stock)listing_cur (stock_listing_name, stock_listing_price);
Fetching Data in a Cursor
You get data into ... REPAIR
GUTTING
PAYROLL
SCALE PROCESSING
SEWAGE
TECHNICAL WRITING
UNLOADING
UNLOADING
The cursor
all_depts
is declared in lines 2–5. In line 7, a record variable named
dept
is declared based on the definition of the ... dept_type;
10: BEGIN
11: SELECT * INTO dept
12: FROM department
13: WHERE dept_id = 502;
14: END;
15: /
A record type named
dept_type
is defined in lines 2–7. The declaration in line 9
declares...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P7 ppt
Ngày tải lên :
15/12/2013, 05:15
... imagina-
tion. Some common uses are
• Enforcing business rules
• Maintaining referential integrity
• Enforcing security
• Maintaining a historical log of changes
• Generating column values, including ... read in.
13: depts dept_table;
14: depts_max PLS_INTEGER;
15: inx1 PLS_INTEGER;
16: BEGIN
17: Initialize the index into the table.
18: depts_max := 0;
19:
20: Initialize the table by creating ... central point of con-
trol for maintaining the number of employees in a department, and they relieve you from
having to program and test this logic several places in your application.
Maintaining...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P8 pptx
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15/12/2013, 05:15
... (SELF IN building,
8: OtherBuilding IN building)
9: RETURN INTEGER
10: );
11: /
12: CREATE OR REPLACE TYPE BODY building AS
13: MEMBER PROCEDURE ChangeMgr(SELF IN OUT building,
14: NewMgr IN INTEGER) ... created.
1: INSERT INTO buildings
2: values (building(‘East Storage Shed’,
3: address( 140 0 Abbott Rd’,’’,’Lansing’,’MI’,’48823’,’’),
4: 598));
1 row created.
1: INSERT INTO buildings
2: values (building(‘Headquarters ... in Listing 12.8 in order to insert a few
building
objects.
These will be used in later examples that show how to update object tables and how to
link objects in the database.
L
ISTING
12.8
Inserting...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P9 doc
Ngày tải lên :
15/12/2013, 05:15
... READ(BLOB_Locator,
Read_Amount IN BINARY_INTEGER,
Starting_Location IN INTEGER,
Buffer OUT RAW);
PROCEDURE READ(CLOB_Locator CHARACTER SET Set_Desired,
Read_Amount IN BINARY_INTEGER,
Starting_Location IN INTEGER,
Buffer ... SUBSTR(BLOB_Locator,
Read_Amount IN BINARY_INTEGER,
Starting_Location IN INTEGER := 1)
RETURN RAW;
FUNCTION SUBSTR(CLOB_Locator CHARACTER SET Set_Desired,
Read_Amount IN BINARY_INTEGER,
Starting_Location IN INTEGER := ... COMPARE(
Lob1 IN BLOB,
Lob2 IN BLOB,
Number_Bytes_to_Compare IN INTEGER,
Origin_Lob1 IN INTEGER := 1,
Origin_Lob2 IN INTEGER := 1)
RETURN Compare_Result_Integer;
FUNCTION COMPARE(
Lob1 IN CLOB CHARACTER...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P10 docx
Ngày tải lên :
15/12/2013, 05:15
... IMMEDIATE
statement.
EXECUTE IMMEDIATE string
[INTO {variable[, variable] | record}]
[USING [IN | OUT | IN OUT] bind
[, [IN | OUT | IN OUT] bind] ];
In this syntax the parameters are as follows:
•
string
is a variable ...
DBMS_SQL
package.
Listing 16.7 shows a PL/SQL block that dynamically generates an
INSERT
statement, and
then uses it to insert data into the table
yourtable
,created in Listing 16.6.
L
ISTING
16.7 Using Bind ... IN INTEGER,
name IN VARCHAR2,
value IN datatype);
PROCEDURE BIND_VARIABLE_CHAR(c IN INTEGER,
name IN VARCHAR2,
value IN CHAR,
out_value_size IN INTEGER);
In this syntax the parameters are as...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P11 docx
Ngày tải lên :
15/12/2013, 05:15
... date), and the interval (system date executing every minute). You can
compute this by multiplying 24 hours in the day by 60 minutes/hour by 60 seconds/
minute, and then taking the inverse.
The ... seen in the following example.
PROCEDURE SUBMIT(job_number OUT BINARY_INTEGER,
job_to_submit IN VARCHAR2,
next_run IN DATE DEFAULT SYSDATE,
interval IN VARCHAR2 DEFAULT NULL,
job_parsing IN BOOLEAN ... combined_names := ‘’;
40: FOR inx1 IN 1 lines_to_get LOOP
41: IF inx1 > 1 THEN
42: combined_names := combined_names || ‘ and ‘;
43: END IF;
44:
45: combined_names := combined_names || names(inx1);
46:...
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Tài liệu Teach Yourself PL/SQL in 21 Days- P12 doc
Ngày tải lên :
15/12/2013, 05:15
... the
pipes work.
L
ISTING
19.8
Reading Data from the Private and Public Pipe
1: DECLARE
2: v_statpipe1 integer; status of private pipe
3: v_statpipe2 integer; status of public pipe
4: v_holdtype INTEGER; ... 1,000 days!
Note
Removing the Pipe
You can free resources by removing the pipes. Enter and execute the code in Listing 19.9.
L
ISTING
19.9
Removing Both Pipes
1: DECLARE
2: v_stat NUMBER ;
3: BEGIN
4: ... VARCHAR2,
timeout IN INTEGER DEFAULT maxwait
pipesize IN INTEGER DEFAULT 8192)
RETURN INTEGER;
name_of_pipe
is the name of the pipe already in existence, whether private or public.
If no pipe of this...
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