teach yourself pl sql in 24 hours pdf
Teach Yourself PL/SQL in 21 Days- P16
... 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...
Ngày tải lên: 20/10/2013, 17:15
Teach Yourself ILLUSTRATOR 7 in 24 hours
... 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...
Ngày tải lên: 22/10/2013, 16:15
Teach Yourself PL/SQL in 21 Days- P1
... 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 ... 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 ... by SQL* Plus. All the listings also have line numbers so that the analysis following each listing can easily refer to specific lines of code. When you type PL/ SQL blocks into SQL* Plus, SQL* Plus...
Ngày tải lên: 07/11/2013, 20:15
Teach Yourself PL/SQL in 21 Days- P2
... 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 ... Page 61 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Writing PL/ SQL Expressions 65 3 PL/ SQL operators are either unary or binary. Most are binary operators, which means ... 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...
Ngày tải lên: 07/11/2013, 20:15
Teach Yourself PL/SQL in 21 Days- P3
... values in a O UTPUT A NALYSIS N EW T ERM 05 7982 ch03 11.8.00 11:22 AM Page 79 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Exploring PL/ SQL Functions As you saw 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 ... the screen as the PL/ SQL code executes. Note 06 7982 ch04 11.8.00 11:23 AM Page 107 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Writing PL/ SQL Expressions 77 3 AND The AND operator...
Ngày tải lên: 07/11/2013, 20:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P4 pptx
... 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P5 doc
... 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 ... 11 :24 AM Page 187 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Using Oracle’s Built -In Functions 181 6 L ISTING 6.26 The Proper Method to Find the First Monday in...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P6 docx
... 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 ... 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 ... two entries. PL/ SQL does not reserve space for entries 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P7 ppt
... 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P8 pptx
... 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 ... 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 the two employees just inserted to ... 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P9 doc
... 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P10 docx
... 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P11 docx
... 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 values maintenance , 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 ... 490 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. Writing to Files and the Display 491 17 GET_LINES occurs in lines 32–34. The lines_to_get parameter contains...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P12 doc
... interface within the server 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 PROCEDURE statement shown in Listing 20.11. 576 Day 20 You 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...
Ngày tải lên: 15/12/2013, 05:15
Tài liệu Teach Yourself PL/SQL in 21 Days- P13 ppt
... and both enqueuing and dequeuing are enabled. Placing Messages in a Queue After 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 607 Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark. A PPENDIX Answers Day 1, “Learning the Basics of PL/ SQL 1. What tells SQL* Plus to send your PL/ SQL code...
Ngày tải lên: 24/12/2013, 12:17
