teach yourself pl sql in 24 hours pdf

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Teach Yourself PL/SQL in 21 Days- P16

... creating, 54creating (security exam-ple), 538-539data integrity (maintain-ing), 300-304listing, 302defining, 299-300, 313,319delete, 296enabling/disabling,310-311event, 311-312defining, ... 254debugging, 136FOR, 121-122, 146common errors, 124 EXIT statement, 140listing, 121nesting, 121guidelines, 147incrementing through,123- 124 listing, 123infinite, 144, 380jumping into (GOTO), ... (dbms output.putline() procedure), 17processing benefits, 9platform independence (PL/ SQL benefits), 9Platinum Technology Inc.Web site, 11PLS_INTEGER datatype,43syntax, 44plus sign (+)addition...

Teach Yourself ILLUSTRATOR 7 in 24 hours

Danh mục: Thiết kế - Đồ họa - Flash

... 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 FolderThe 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 aline of type when using the leading keyboard shortcut (Option-up arrow and Option-downarrow).Baseline Shift specifies the increment when using the Baseline...

Teach Yourself PL/SQL in 21 Days- P1

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... PL/ SQL stored subprograms and SQL queries.FIGURE1.1Relationship of SQL* Plus, PL/ SQL, and Oracle.Oracle Database Server SQL StatementExecutor SQL* Plus PL/ SQL Engine SQL QueriesYour PC In ... Compatibility 574Using the OUTand IN OUTArguments 575Calling PL/ SQL from Java Using SQLJ 578Using SQLJ to Execute an Anonymous PL/ SQL Block 578Using SQLJ to Call a PL/ SQL Procedure or Function ... by SQL* Plus. All the listings also haveline numbers so that the analysis following each listing can easily refer to specific linesof code. When you type PL/ SQL blocks into SQL* Plus, SQL* Plus...

Teach Yourself PL/SQL in 21 Days- P2

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... three-day weekend. Thetest in line 16 also includes Saturday and Sunday because many employers still giveemployees a day off, resulting in a three-day weekend. Line 24 uses PL/ SQL sADD_MONTHSfunction ... Page 61Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.Writing PL/ SQL Expressions 653 PL/ SQL operators are either unary or binary. Most are binary operators, whichmeans ... block begins at line 3 and ends on line 31. Anested anonymous block begins on line 14 and ends on line 21. Lines 6 through 9 definethename_printprocedure.The variable a_nameis declared in the...

Teach Yourself PL/SQL in 21 Days- P3

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... values in aOUTPUTANALYSISNEWTERM05 7982 ch03 11.8.00 11:22 AM Page 79Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.Exploring PL/ SQL FunctionsAs you saw in ... When I am comparing strings, especially when comparing a CHARstring to aVARCHAR2string, is there a convenient way to tell PL/ SQL to ignore any trail-ing spaces in the CHARstring?A Yes. Use ... the screen as the PL/ SQL code executes.Note06 7982 ch04 11.8.00 11:23 AM Page 107Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.Writing PL/ SQL Expressions 773ANDTheANDoperator...

Tài liệu Teach Yourself PL/SQL in 21 Days- P4 pptx

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... about using this example as a PL/ SQL procedure and returning to the good old daysof BC? Listing 6.9 shows another example of using TO_CHARwith converting and format-ting dates. LISTING6.9ConvertingDATEto ... Jumping into a Lower-Level BlockYou 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 GOTOcall.The following listing, ... must be within the same scope as theGOTOstatement itself. Conditions that cause Oracle to not compile the PL/ SQL codeinclude•Jumping into a subblock•Jumping into a loop•Jumping into an IFstatement•UsingGOTOto...

Tài liệu Teach Yourself PL/SQL in 21 Days- P5 doc

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... the SQL* Plus prompt. The code in Listing 7.2 illustrates the PUT_LINEcommand line that you can includeinside a procedure.LISTING7.2ThePUT_LINECommand Within a ProcedureCREATE OR REPLACE ... watermark.DAY8WEEK2Using SQL by Tom LuersBy 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 ... 11 :24 AM Page 187Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.Using Oracle’s Built -In Functions 1816LISTING6.26The Proper Method to Find the First Monday in...

Tài liệu Teach Yourself PL/SQL in 21 Days- P6 docx

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... 1Key: employee name emp. numberListing 8.4 shows the PL/ SQL anonymous block that you can run to insert the necessarydata.LISTING8.4Inserting Records with PL/ SQL CodeDECLARE insert department ... 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 CursorYou get data into ... twoentries. PL/ SQL does not reserve space for entries that are not used.Listing 10.1 shows the entire contents of the employeetable being read into an index-bytable named emp.LISTING10.1Placing...

Tài liệu Teach Yourself PL/SQL in 21 Days- P7 ppt

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... trigger.Lines 17–19 define a record containing the primary key fields for the emp_depttable.This record in turn is used to define a PL/ SQL table type (lines 23 24) . Finally, in line27, a PL/ SQL ... central point of con-trol for maintaining the number of employees in a department, and they relieve you fromhaving 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...

Tài liệu Teach Yourself PL/SQL in 21 Days- P8 pptx

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... 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 blockthat first instantiates ... first five inserts (lines 1–15) put some sample employees and departments in place for testing purposes. The next four inserts (lines 16–27) assign each of thetwo employees just inserted to ... in Listing 12.8 in order to insert a few buildingobjects.These will be used in later examples that show how to update object tables and how tolink objects in the database.LISTING12.8Inserting...

Tài liệu Teach Yourself PL/SQL in 21 Days- P9 doc

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... 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 COMPAREfunction 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...

Tài liệu Teach Yourself PL/SQL in 21 Days- P10 docx

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... can simply issue a PL/ SQL EXECUTE IMMEDIATEstatement.EXECUTE IMMEDIATE string[INTO {variable[, variable] | record}][USING [IN | OUT | IN OUT] bind[, [IN | OUT | IN OUT] bind] ]; In this ... nativedynamic SQL in the remaining part of this lesson.NoteExecuting DML and DDLExecuting DML and DDL statements is quite easy using native dynamic SQL. Instead ofmaking all those calls to DBMS _SQL , ... ONat the SQL* Plusprompt.LISTING16.3UsingSELECTto Verify Inserted Records1: DECLARE2: /* The purpose of this PL/ SQL block is to demonstrate3: executing queries within PL/ SQL through...

Tài liệu Teach Yourself PL/SQL in 21 Days- P11 docx

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... multiplying 24 hours in the day by 60 minutes/hour by 60 seconds/minute, and then taking the inverse.The next example calls a stored procedure, which passes three parameters with the valuesmaintenance,1000, ... 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 ... 490Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.Writing to Files and the Display 49117GET_LINESoccurs in lines 32–34. The lines_to_getparameter contains...

Tài liệu Teach Yourself PL/SQL in 21 Days- P12 doc

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... interface within theserver results in an exception being thrown.Will PL/ SQL Go Away?Will Java replace PL/ SQL as the preferred programming language to use within the serv-er? Will PL/ SQL die off? ... that string (line 29).You can make this method useable from PL/ SQL by publishing it with the CREATE PROCEDUREstatement shown in Listing 20.11.576 Day 20You can find this listing in the file ... ‘Employee.getSuperName(int) return java.lang.String’;6: /Function created. In line 1, the name get_super_name is the one given to the Java method in the PL/ SQL world. Line 4 begins the Java-specific...

Tài liệu Teach Yourself PL/SQL in 21 Days- P13 ppt

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... and both enqueuing and dequeuing are enabled.Placing Messages in a QueueAfter creating and starting a queue, you place messages in the queue by enqueuing them.Enqueuing a message involves these ... NULL,multiple_consumers IN BOOLEAN DEFAULT FALSE,message_grouping IN BINARY_INTEGER DEFAULT none,comment IN VARCHAR2 DEFAULT NULL,auto_commit IN BOOLEAN DEFAULT TRUE,primary_instance IN BINARY_INTEGER ... Page 607Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark.APPENDIXAnswersDay 1, “Learning the Basics of PL/ SQL 1. What tells SQL* Plus to send your PL/ SQL code...