sams teach yourself sql in 21 days

... For example, ic.rebind(“sams/book”,”Teach Yourself J2EE in 21 Days”); The code unbinds any existing object bound to that name and binds the new object in its place Using rebind() is a good design ... in the Sams Publishing domain (samspublishing.com), the full URL including port number for a default JNDI server on this host would be as follows: nameserver.samspublishing.com:1099 java.naming.factory.initial ... (o instanceof String) ic.unbind (JNDI); } catch (NameNotFoundException ex) {} ic.bind(JNDI,”Teach Yourself J2EE in 21 Days”); This example rebinds a string bound to the name sams/book, but will

Ngày tải lên: 13/08/2014, 08:21

... local interface in addition to their remote face inter-• Specifying, implementing, configuring, and deploying BMP Entity beans • Configuring and deploying EJBs from the command line rather thanusing ... corresponds to findByPrimaryKey(String name)in the JobLocalHomeinterface • The ejbFindByCustomer(String customer)method in JobBeancorresponds to findbyCustomer(String customer)in the JobLocalHomeinterface ... The create(String ref, String customer)method in JobBeancorresponds to ejbCreate(String ref, String customer)in the JobLocalHomeinterface • The ejbFindByPrimaryKey(String name)method in JobBean

Ngày tải lên: 13/08/2014, 08:21

... +STATUS_NO_TRANSACTION:int +STATUS_PREPARING:int +STATUS_COMMITTING:int +STATUS_ROLLING_BACK:int manag-If your bean does need more fine-grained control over transactions, the bean must bedeployed using bean-managed ... corresponding finder or selectmethod to be bound in more than once syn-• When comparing strings in EJB QL, the strings must be identical to be equal (This is different from SQL where trailing whitespace ... +setTransactionTimeout(:int):void ! interface javax.transaction.Status +STATUS_ACTIVE:int +STATUS_MARKED_ROLLBACK:int +STATUS_PREPARED:int +STATUS_COMMITTED:int +STATUS_ROLLEDBACK:int +STATUS_UNKNOWN:int +STATUS_NO_TRANSACTION:int

Ngày tải lên: 13/08/2014, 08:21

... a message in the point-to-point domain? A Messages in the point-to-point domain are PERSISTENTby default and will bedelivered unless they have a timeout that has expired Point-to-point messages ... The container can pool instances • It does not have a local or remote interface • It is invoked asynchronously by the container • The bean lives entirely within a container; the container manages ... changed The added lines are shown inbold in the following code public void updateDetails (String name, String email, ➥ String locationName, String summary, String[] skillNames) { List skillList;

Ngày tải lên: 13/08/2014, 08:21

... showing JSP compilation error. Trang 29The information provided identifies the line in error in the JSP file and the correspondingline in error in the generated Java file If you cannot determine ... the linenumber in error in the generated file Figure 13.7 shows compilation error that occurs ifyou mistype Dateas Datexin the date example show in Listing 13.3 The following isthe error line: ... usual to define an error page containing debugging information duringdevelopment and replace this with a “user friendly” version on a live system The “ErrorPage Definition” section later in this

Ngày tải lên: 13/08/2014, 08:21

... of mapping principals onto roles is not defined in the EJB cation (at least not yet) There are no tags defined in the DD; instead, each J2EE serverdefines its own mechanism for mapping principals ... java.security.Principal getCallerPrincipal()returns an object defining theprincipal calling the method The Principalclass defines a getName()methodthat returns the name of the principal The getCallerPrincipal()method ... references used in the DDonto principals defined in the target authentication domain Configuring J2EE RI Declarative Web Security Web application roles are defined in deploytoolusing the Roles

Ngày tải lên: 13/08/2014, 08:21

... not allowing elements to be defined inside attribut-es, XSLT stylesheets let you insert the value of elements inside attributes by enclosingthe XPath name in braces, as shown in the following: <xsl:apply-templates ... style DD into the new style is shown inListing 17.15 The output from applying this stylesheet is shown in Listing 17.16 L ISTING 17.15 Full Text of session.xsl Trang 9L ISTING 17.16 Applying session.xsl ... read the book Sams Teach Yourself XML in 21 Days from Sams Publishing. XSLT Compilers One drawback to XLST stylesheets is performance An XLST processor, such asXALAN, must read in the stylesheet

Ngày tải lên: 13/08/2014, 08:21

... following information: • A definition of the service you are calling—This information corresponds to the traditional interface definition for an RPC or RMI server. The interface definition contains ... you have an interface (portType), you can define the protocols over which that interface can be accessed. The binding element (lines 25–40) creates a binding, called HelloServerSoapBinding, between ... HelloServerPortType and SOAP. Within this WSDL binding, a SOAP binding (soap:binding) is defined. Because SOAP can work with a variety of underlying transports and it can work in an RPC-centric or document-centric

Ngày tải lên: 13/08/2014, 08:21

... also ANSI SQL, ANSI SQL 92. SQL 92 See ANSI SQL 92. SQLJ SQLJ defines a way of embedding SQL statements in Java code and, as such, is an alternative to the use of JDBC SQLJ also defines how Java ... JavaBeans),212-213 separating from presentationtier, 130-131 business-tier patterns Business Delegatecase study analysis,820-821defined, 796maintainability, 821performance, 821reliability, 821Composite ... case study analysis,820-821defined, 796maintainability, 821performance, 821reliability, 821 business interface (EJB), 264 implementing, 135-138methods, 132 patterns, 203 business logic, 12, 134 Entity

Ngày tải lên: 13/08/2014, 08:21

... ‘Connect String1 to’ || ‘ String2’; BEGINDBMS_OUTPUT.PUT_LINE(v_String1); DBMS_OUTPUT.PUT_LINE(v_String2); END; / Your output looks similar to Connect String1 to String2Connect String1 to String2 4 ... declared in lines 3–4 The corresponding variables are declared in lines 7–8 The tables are initialized by calling their constructor meth- ods in lines 12–13 Because we know that we are going to ... CONCATto link two strings together Repeat the same line by using ||insteadofCONCAT Here is one solution: DECLAREv_String1 VARCHAR2(60) := CONCAT(‘Connect String1 to’, ‘ String2’); v_String2 VARCHAR2(60)

Ngày tải lên: 21/01/2014, 18:20

... Answers 215 Activity 216 Hour 13 Borders and Boxes 217 Adjusting Boxes 218 Setting the Margins .219 Setting the Padding 221 Setting the Border 221 Displaying Boxes 226 The display Property 226 The visibility ... design, and he teaches online courses in Web accessibility In addition to writing, speaking at conferences, and teaching onlinecourses, Kynn is the cofounder of Idyll Mountain Internet (http://www.idyllmtn.com/), ... Trang 2201 West 103rd St., Indianapolis, Indiana, 46290 USATeach Yourself Kynn Bartlett CSS Trang 3Sams Teach Yourself CSS in 24 HoursCopyright © 2002 by Sams Publishing All rights reserved No

Ngày tải lên: 21/01/2014, 16:20

... is. Inline An inline element doesn’t begin and end lines; instead, it is contained within the flow ofthe text Examples of inline tags include <em>,<span>,<b>,<img>,<input>, ... puts your unvisited links in black text on a lime green background and puts the ited links in gray on a yellow background Unvisited links are in Arial font, and visitedlinks are in Times New Roman ... padding on a box Displaying Content in CSS The content of a Web page is the information encoded within the HTML page, found between the opening and closing tags of the HTML markup These tags define

Ngày tải lên: 21/01/2014, 16:20

... now using a relational database. You have seen terms like SQL, tables, records, queries, and RDBMS, but you don't remember Teach Yourself SQL in 21 Days, Second Edition - Day 2 - Introduction ... SELECT into your system, you might get the following response: INPUT: SQL& gt; SELECT; OUTPUT: SELECT * ERROR at line 1: ORA-00936: missing expression The asterisk under the offending line indicates ... calculations in a SELECT statement. Modulo (%) The modulo operator returns the integer remainder of the division operation. Using the table REMAINS, type the following: INPUT: SQL& gt; SELECT...

Ngày tải lên: 06/08/2013, 17:39

... 11 SQL- Programmer (Sylvain Faust Inc.), 11 SQL- Station (Platinum Technology Inc.), 11 SQLCODE function, 160, 211 -212 SQLERRM function, 160, 211 -212 SQLJ, calling PL /SQL from Java, 578-579 calling ... 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, ... 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,...

Ngày tải lên: 20/10/2013, 17:15

... 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 ... exciting new product. PL /SQL is an excellent language to use for database programming. We hope that you enjoy learning about both as you read this book. 4 Sams Teach Yourself PL /SQL in 21 Days, ... using the SQL* Plus @ command. •Use the SQL* Plus EDIT command. The first method involves running Windows Notepad, typing your PL /SQL code (or SQL queries) into it, and then copying and pasting from...

Ngày tải lên: 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 49 2 Using Block Structure On Day 1, “Learning the Basics of PL /SQL, ” you saw that the fundamental programming structure in PL /SQL is referred to as a block. In ... 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:...

Ngày tải lên: 07/11/2013, 20:15

... typing the keyword BEGIN : BEGIN Because you are not performing anything in this function except returning a value, you will code a NULL statement, which is discussed later in this lesson in ... 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 ... 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....

Ngày tải lên: 07/11/2013, 20:15

... ending semicolon for the one-line SQL listings. If you are entering at the prompt, the semicolon performs the SQL statement, similar to using a / to execute the code. Note L ISTING 6.8 Converting DATE to ... 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 ... (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...

Ngày tải lên: 15/12/2013, 05:15

... resulting month does not have as many days. (For example, April 30th is the answer to adding one month.) The following three examples in Listing 6 .21 provide the same result. L ISTING 6 .21 Adding ... ON command at 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 ... 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...

Ngày tải lên: 15/12/2013, 05:15