learn pl sql in 24 hours
French learn to communicate in 24 hours
Ngày tải lên :
17/08/2013, 11:13
... noun is
singular (sing.) or plural (pl. ), masculine (m.) or feminine (f.). Three of
the most common markers are definite articles expressing the, indefinite
articles expressing a, an, one, some, ... matin. (He works in the morning.)
Indefinite Articles
The indefinite article refers to persons and objects not specifically iden-
tified: a dog, some cats. Learn the singular indefinite article ... OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMA-
TION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE,
AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING...
- 337
- 575
- 2
Countdown To French Learn to communicate in 24 hours
Ngày tải lên :
23/10/2013, 08:15
... whether a noun is
singular (sing.) or plural (pl. ), masculine (m.) or feminine (f.). Three of
the most common markers are definite articles expressing the, indefinite
articles expressing a, an, one, ... matin. (He works in the morning.)
Indefinite Articles
The indefinite article refers to persons and objects not specifically iden-
tified: a dog, some cats. Learn the singular indefinite article ... OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMA-
TION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE,
AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING...
- 337
- 738
- 7
Teach Yourself PL/SQL in 21 Days- P16
Ngày tải lên :
20/10/2013, 17:15
... 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, ... 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, 144, 380
jumping into (GOTO), ... (dbms output.put
line() procedure), 17
processing benefits, 9
platform independence
(PL/ SQL benefits), 9
Platinum Technology Inc.
Web site, 11
PLS_INTEGER datatype,
43
syntax, 44
plus sign (+)
addition...
- 15
- 358
- 0
Teach Yourself ILLUSTRATOR 7 in 24 hours
Ngày tải lên :
22/10/2013, 16:15
... referring to the blending of colors into each other.
* Anchor point The heart of a Bézier curve. More on this in Hour 6, "Drawing Bézier Paths."
* Line screen Printing term referring ... sections: Plug-ins Folder and Scratch Disks.
Plug-ins Folder
The Plug-ins folder is where Illustrator keeps all of its "extensions" or add-ons, including third-
party filters and plug-ins. ... leading is added or removed from a
line of type when using the leading keyboard shortcut (Option-up arrow and Option-down
arrow).
Baseline Shift specifies the increment when using the Baseline...
- 195
- 503
- 0
Teach yourself unix in 24 hours
Ngày tải lên :
05/11/2013, 15:15
... 1
Interpretation of the printing code: the rightmost double-digit number is the
year of the book’s printing; the rightmost single-digit, the number of the book’s
printing. For example, a printing ... Hour 379
Task 18.1: Find Local Printers with printers 380
Task 18.2: Printing Files with lpr or lp 384
Task 18.3: Formatting Print Jobs with pr 387
Task 18.4: Working with the Print Queue 391
xiContents
34
Hour ... assumed for damages resulting from
the use of the information contained herein. For information, address Sams
Publishing, 201 W. 103rd St., Indianapolis, IN 46290.
International Standard Book...
- 572
- 387
- 0
Teach Yourself PL/SQL in 21 Days- P1
Ngày tải lên :
07/11/2013, 20:15
... PL/ SQL stored subprograms and SQL queries.
F
IGURE
1.1
Relationship of
SQL* Plus, PL/ SQL,
and Oracle.
Oracle Database Server
SQL Statement
Executor
SQL* Plus
PL/ SQL
Engine
SQL
Queries
Your PC
In ... watermark.
Learning the Basics of PL/ SQL 25
1
Using Interactive PL/ SQL
The PL/ SQL interpreter allows you to enter a PL/ SQL anonymous block and have it
executed. The small block in Listing 1.2, ... Compatibility 574
Using the
OUT
and
IN OUT
Arguments 575
Calling PL/ SQL from Java Using SQLJ 578
Using SQLJ to Execute an Anonymous PL/ SQL Block 578
Using SQLJ to Call a PL/ SQL Procedure or Function...
- 50
- 367
- 0
Teach Yourself PL/SQL in 21 Days- P2
Ngày tải lên :
07/11/2013, 20:15
... three-day weekend. The
test in line 16 also includes Saturday and Sunday because many employers still give
employees a day off, resulting in a three-day weekend. Line 24 uses PL/ SQL s
ADD_MONTHS
function ... block begins at line 3 and ends on line 31. 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 ... longer
strings in PL/ SQL, but 4000 is the limit (2000 if you are using any release of
Oracle7) if you want to store the string in the database.
Note
Referring to the example declaration of
employee_name
,...
- 50
- 361
- 0
Teach Yourself PL/SQL in 21 Days- P3
Ngày tải lên :
07/11/2013, 20:15
... When I am comparing strings, especially when comparing a
CHAR
string to a
VARCHAR2
string, is there a convenient way to tell PL/ SQL to ignore any trail-
ing spaces in the
CHAR
string?
A Yes. Use ... 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 ... 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....
- 50
- 334
- 0
Tài liệu Teach Yourself PL/SQL in 21 Days- P4 pptx
Ngày tải lên :
15/12/2013, 05:15
... about using this example as a PL/ SQL procedure and returning to the good old days
of BC? Listing 6.9 shows another example of using
TO_CHAR
with converting and format-
ting dates.
L
ISTING
6.9
Converting
DATE
to ...
Jumping into 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, ... must be within the same scope as the
GOTO
statement itself. Conditions that cause Oracle to not compile the PL/ SQL code
include
•Jumping into a subblock
•Jumping into a loop
•Jumping into an
IF
statement
•Using
GOTO
to...
- 50
- 392
- 0
Tài liệu Teach Yourself PL/SQL in 21 Days- P5 doc
Ngày tải lên :
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 ... 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-
ports all SQL s data manipulation commands (except for
EXPLAIN PLAN
), trans-
action ... features you learned
in Week 1 and learn more complex methods of using them. In
this second week, you will begin to integrate your PL/ SQL
code with the Oracle database. You will create some sample
tables...
- 50
- 292
- 0
Tài liệu Teach Yourself PL/SQL in 21 Days- P6 docx
Ngày tải lên :
15/12/2013, 05:15
... 1
Key: employee name
emp. number
Listing 8.4 shows the PL/ SQL anonymous block that you can run to insert the necessary
data.
L
ISTING
8.4
Inserting Records with PL/ SQL Code
DECLARE insert department ... that are not used.
Listing 10.1 shows the entire contents of the
employee
table being read into an index-by
table named
emp
.
L
ISTING
10.1
Placing Employee Records in an Index-by Table
1: DECLARE
2: ... 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...
- 50
- 410
- 0
Tài liệu Teach Yourself PL/SQL in 21 Days- P7 ppt
Ngày tải lên :
15/12/2013, 05:15
... trigger.
Lines 17–19 define a record containing the primary key fields for the
emp_dept
table.
This record in turn is used to define a PL/ SQL table type (lines 23 24) . Finally, in line
27, a PL/ SQL ... 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 ... imagina-
tion. Some common uses are
• Enforcing business rules
• Maintaining referential integrity
• Enforcing security
• Maintaining a historical log of changes
• Generating column values, including...
- 50
- 368
- 0
Tài liệu Teach Yourself PL/SQL in 21 Days- P8 pptx
Ngày tải lên :
15/12/2013, 05:15
... within a SQL
statement. In fact, the statement in question was executed from within SQL* Plus,
although it could have been inside a PL/ SQL block. Lines 12-22 show a PL/ SQL block
that first instantiates ... (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) ... 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...
- 50
- 360
- 0
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 ... exam-
ple of the syntax for the
COMPARE
function can be seen below.
FUNCTION COMPARE(
Lob1 IN BLOB,
Lob2 IN BLOB,
Number_Bytes_to_Compare IN INTEGER,
Origin_Lob1 IN INTEGER := 1,
Origin_Lob2 IN INTEGER ... Compare_Result_Integer;
FUNCTION COMPARE(
Lob1 IN CLOB CHARACTER SET Set_Desired,
Lob2 IN CLOB CHARACTER SET LOB1%CHARSET,,
Number_Bytes_to_Compare IN INTEGER,
Origin_Lob1 IN INTEGER := 1,
Origin_Lob2 IN INTEGER...
- 50
- 347
- 0
Tài liệu Teach Yourself PL/SQL in 21 Days- P10 docx
Ngày tải lên :
15/12/2013, 05:15
... can simply issue a PL/ SQL
EXECUTE IMMEDIATE
statement.
EXECUTE IMMEDIATE string
[INTO {variable[, variable] | record}]
[USING [IN | OUT | IN OUT] bind
[, [IN | OUT | IN OUT] bind] ];
In this ... native
dynamic SQL in the remaining part of this lesson.
Note
Executing DML and DDL
Executing DML and DDL statements is quite easy using native dynamic SQL. Instead of
making all those calls to
DBMS _SQL
, ... ON
at the SQL* Plus
prompt.
L
ISTING
16.3
Using
SELECT
to Verify Inserted Records
1: DECLARE
2: /* The purpose of this PL/ SQL block is to demonstrate
3: executing queries within PL/ SQL through...
- 50
- 355
- 0
