pl sql in client server architecture

... creating, 54 creating (security example), 538-539 data integrity (maintaining), 300-304 listing, 302 defining, 299-300, 313, 319 delete, 296 enabling/disabling, 310-311 event, 311-312 defining, ... executing queries, 10 Server Manager, 11 SQL- Navigator (Quest Software), 11 SQL- Programmer (Sylvain Faust Inc.), 11 SQL- Station (Platinum Technology Inc.), 11 SQLCODE function, 160, 211-212 SQLERRM ... dropping, 197 invoking, 194, 199 listing information, 195 recompiling, 193-194 storing objects as columns, 345-347 retrieving/updating, 347-349 object tables, 349, 351-356 creating, 350 inserting...

Ngày tải lên: 20/10/2013, 17:15

... Learning the Basics of PL/ SQL 25 PL/ SQL Interpreter’s Debugger Pane FIGURE 1.5 Procedure Builder’s opening screen Object Navigator PL/ SQL Interpreter’s Entry Pane Using Interactive PL/ SQL The PL/ SQL ... examples in this book, you will be using SQL* Plus to send the PL/ SQL code to the Oracle database for execution Begin by running SQL* Plus and connecting to your Oracle database Your initial SQL* Plus ... relationship Learning the Basics of PL/ SQL FIGURE 1.1 Relationship of SQL* Plus, PL/ SQL, and Oracle 11 Oracle Database Server PL/ SQL Engine SQL Queries SQL Statement Executor SQL* Plus Your PC Several...

Ngày tải lên: 07/11/2013, 20:15

... consider using SQLPlus Worksheet for the examples in this book SQLPlus Worksheet is completely compatible with SQL* Plus, and can be used for all the examples in this book The advantage that SQL* Plus ... toolbar button to execute it Executing a PL/ SQL Block Using SQLPlus Worksheet Figure 1.9 shows the SQLPlus Worksheet Learning the Basics of PL/ SQL 29 FIGURE 1.9 The SQLPlus Worksheet The Execute Button ... NULL PL/ SQL procedure successfully completed Line begins a PL/ SQL anonymous block The iifn function is declared within the scope of this outer block (see lines through 21) The keyword BEGIN in line...

Ngày tải lên: 07/11/2013, 20:15

... comparing strings, especially when comparing a CHAR string to a VARCHAR2 string, is there a convenient way to tell PL/ SQL to ignore any trailing spaces in the CHAR string? A Yes Use the built -in ... following segment includes some examples of the MODE statement: FUNCTION addemployee( p_hiredate _in IN DATE, p_employeeID_out OUT NUMBER, p_hourlyrate _in_ out IN OUT NUMBER, p_empname _in_ out IN OUT ... Listing 4.15 INPUT LISTING 4.15 Nesting FOR Loops BEGIN FOR v_outerloopcounter IN LOOP FOR v_innerloopcounter IN LOOP DBMS_OUTPUT.PUT_LINE(‘Outer Loop counter is ‘ || v_outerloopcounter || ‘ Inner...

Ngày tải lên: 07/11/2013, 20:15

... Comparing SQL Functions and PL/ SQL Functions As with any database, you can use SQL within PL/ SQL to take advantage of all the features of PL/ SQL Almost all the functions work within PL/ SQL except ... compile the PL/ SQL code include • Jumping into a subblock • Jumping into a loop • Jumping into an IF statement • Using GOTO to jump from one part of an IF statement to another • Jumping from an ... you continue, make sure that you enter SET SERVEROUTPUT ON at the SQL* Plus prompt This allows you to see the output onscreen as the PL/ SQL code executes LISTING 6.5 Using TO_DATE Within PL/ SQL DECLARE...

Ngày tải lên: 15/12/2013, 05:15

... passes the SQL command to the Oracle database for processing in its own SQL engine Figure 8.1 illustrates this concept FIGURE 8.1 The Oracle PL/ SQL server engine PL/ SQL Block Oracle Server begin ••• ... same SQL statements into a PL/ SQL block and have them processed at one time, hence improving your overall performance Using SQL 223 FIGURE 8.2 SQL versus PL/ SQL code processing Oracle Server SQL ... prompt PUT_LINE The code in Listing 7.2 illustrates the PUT_LINE command line that you can include inside a procedure INPUT LISTING 7.2 The PUT_LINE Command Within a Procedure CREATE OR REPLACE PROCEDURE...

Ngày tải lên: 15/12/2013, 05:15

... Listing 8.4 shows the PL/ SQL anonymous block that you can run to insert the necessary data INPUT LISTING 8.4 Inserting Records with PL/ SQL Code DECLARE insert department data first i_dept_id INTEGER, ... declaration in synch with the datatypes in the database Using SQL Q&A Q What happens if my SQL statement fails inside the PL/ SQL block? A The processing of your PL/ SQL block will terminate unless ... VARCHAR2(32); i_super INTEGER; i_rate NUMBER(9,2); i_type CHAR; i_emp_dept INTEGER; Using SQL e_emp_dept INTEGER; BEGIN e_id:=&employee_id; e_emp_dept:=&employee_department_id; INSERT into employee values...

Ngày tải lên: 15/12/2013, 05:15

... GUTTING SCALE PROCESSING Technical Writing UNLOADING BOTTLING BOTTLING BOTTLING BOTTLING BOTTLING DISTILLATION Employee Newsletters FERMENTATION GUTTING SCALE PROCESSING Technical Writing UNLOADING ... Enforcing business rules • Maintaining referential integrity • Enforcing security • Maintaining a historical log of changes • Generating column values, including primary key values • Replication ... central point of control 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 History...

Ngày tải lên: 15/12/2013, 05:15

... located in Detroit MI Victor Building is located in Lansing MI PL/ SQL procedure successfully completed In this example, a cursor is declared (lines 5–8) based on a SQL statement that selects building ... buildings OF building; Table created Lines 1–9 contain the building object’s type definition As you can see, the building object has three attributes containing the building’s name, the building’s ... methods in your software development projects Storing Objects in an Object Table You can insert information about buildings into the object table you just created by using a SQL INSERT statement Instead...

Ngày tải lên: 15/12/2013, 05:15

... FUNCTION COMPARE( Lob1 IN BFILE, Lob2 IN BFILE, Number_Bytes_to_Compare IN INTEGER, Origin_Lob1 IN INTEGER := 1, Origin_Lob2 IN INTEGER := 1) RETURN Compare_Result_Integer; In this syntax the parameters ... 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, ... Amount IN OUT INTEGER, Starting_Position IN INTEGER, Buffer IN RAW); PROCEDURE WRITE(CLOB_Locator CHARACTER SET Set_Desired, Amount IN OUT INTEGER, Starting_Position IN INTEGER, Buffer IN VARCHAR2...

Ngày tải lên: 15/12/2013, 05:15

... Brandon’,3,1000.00,’S’); SAVEPOINT employee_1; INSERT INTO employee VALUES (7,’Catherine Ann’,2,2000.00,’S’); ROLLBACK TO SAVEPOINT employee_1; ANALYSIS In this example, the insertion of the employee Catherine Ann ... DEFINE_COLUMN (c IN INTEGER, position IN INTEGER, column IN VARCHAR2, column_size IN INTEGER); The header for the CHAR version of DEFINE_COLUMN is PROCEDURE DEFINE_COLUMN (c IN INTEGER, position IN INTEGER, ... DBMS _SQL. PARSE, as in line 21 After binding the appropriate variables in lines 24 and 25, the anonymous PL/ SQL block is executed in line 27 The SQL statement executed by the block uses a SELECT INTO...

Ngày tải lên: 15/12/2013, 05:15

... Shirley Tina PL/ SQL procedure successfully completed This PL/ SQL block writes one line into the buffer by using the PUT_LINE procedure (line 5) It then writes three more lines using a combination ... CHANGE(job_number IN BINARY_INTEGER, process_name IN VARCHAR2, next_run IN DATE, interval IN VARCHAR2, instance IN BINARY_INTEGER DEFAULT any_instance, force IN BOOLEAN DEFAULT FALSE); , Managing Database ... and Tina PL/ SQL procedure successfully completed The first PL/ SQL block (lines 3–14) writes three names into the buffer, one name to a line Because this example is executed from SQL* Plus, the SERVEROUTPUT...

Ngày tải lên: 15/12/2013, 05:15

... writing PL/ SQL, then PL/ SQL will almost certainly die off If people continue to program in both environments, then both will continue to exist In any case, I think there’s little likelihood of PL/ SQL ... Employee Class The examples in this section showing how to call Java from PL/ SQL are built around the Java Employee class, shown in Listing 20.7 Note You can find this listing in the file Employee.sqlj, ... method of invoking the function involves the use of the SQL* Plus CALL command The CALL command allows you to invoke a function directly from SQL* Plus, and to return the results in a SQL* Plus bind variable...

Ngày tải lên: 15/12/2013, 05:15

... 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 steps: Instantiate ... 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 ... have the following meanings: • declarations refers to any PL/ SQL variable definitions that you need in your PL/ SQL block refers to the PL/ SQL code in the block that you are executing • code • exception_handlers...

Ngày tải lên: 24/12/2013, 12:17

... creating directory object, 404 creating pointer to, 406-407 determining if open, 409-410 extracting from, 412 getting length, 410 getting name, 409 matching patterns in, 410-411 opening, 410 reading ... versus explicit, 263 importing jobs, 521 IN operator, 68, 72-73 expressions using, 73 listing, 73-74 syntax, 73 IN OUT arguments (calling Java from PL/ SQL) , 575-578 indenting code, 396 index-by ... accessing, 412-413 checking for, 408-409 comparing, 407-408, 414-415 creating pointer to, 406-407 determining if open, 409-410 extracting from, 412 getting length, 410 getting name, 409 matching...

Ngày tải lên: 21/01/2014, 18:20

... creating, 54 creating (security example), 538-539 data integrity (maintaining), 300-304 listing, 302 defining, 299-300, 313, 319 delete, 296 enabling/disabling, 310-311 event, 311-312 defining, ... publishing, calling Java from PL/ SQL, 571-573 SELF parameter, 361-362 listing, 362 specifying, 362 nulls SSThresh calling from PL/ SQL, 567-568 calling from SQL* Plus, 566-567 publishing, 565-566 MIN function, ... executing queries, 10 Server Manager, 11 SQL- Navigator (Quest Software), 11 SQL- Programmer (Sylvain Faust Inc.), 11 SQL- Station (Platinum Technology Inc.), 11 SQLCODE function, 160, 211-212 SQLERRM...

Ngày tải lên: 26/01/2014, 15:20

... of the indexes More novel indexing schemes are proposed recently The Index Fabric [5] employs a string index to solve containment queries APEX [4] is an adaptive path index, using data mining algorithms ... eliminate this kind of redundancy in multiXPath query processing by replacing redundant data with pointers In particular, two different approaches are designed for pointer insertion It is shown in ... problem which we are going to solve in this thesis In a client- server system, when a client submits a set of input queries to server, the answer sets sent back by the server may include redundancy...

Ngày tải lên: 26/11/2015, 13:04

... of the seminars "Implementing and Maintaining Microsoft Windows Vista," "Migrating to Windows Vista," and "Deploying Group Policy." He also consults through his Colorado-based company Independent ... needs in order to present the user interface to the administrator in the language of his or her choice For example, all the "explain" text (online help for specific policy settings) is contained in ... option remains to manually install ADM files by right-clicking the Administrative Templates node in the GPOE, you won't be using that feature nearly as much after migrating to Windows server 2008/Vista...

Ngày tải lên: 10/12/2013, 14:15

... for clarity Controlling Flow in PL/ SQL Blocks 23Ć7 23Ć8 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder The IF Statement continued Simple IF Statements PL/ SQL executes the conditional ... calc_val; Controlling Flow in PL/ SQL Blocks 23Ć11 23Ć12 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Building Logical Conditions Build a simple Boolean condition by combining number, ... there is no explicit EXIT statement The condition determines when the loop is terminated Controlling Flow in PL/ SQL Blocks 23Ć25 23Ć26 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder...

Ngày tải lên: 21/12/2013, 06:17

... control processing in a PL/ SQL block D Iterate statements by using various types of loops Controlling Flow in PL/ SQL Blocks 23Ć3 23Ć4 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder ... for clarity Controlling Flow in PL/ SQL Blocks 23Ć7 23Ć8 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder The IF Statement continued Simple IF Statements PL/ SQL executes the conditional ... calc_val; Controlling Flow in PL/ SQL Blocks 23Ć11 23Ć12 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Building Logical Conditions Build a simple Boolean condition by combining number,...

Ngày tải lên: 17/01/2014, 09:20