pl sql statements in sql plus

... 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, ... (dbms output.put line() procedure), 17 processing benefits, platform independence (PL/ SQL benefits), Platinum Technology Inc Web site, 11 PLS_INTEGER datatype, 43 syntax, 44 plus sign (+) addition ... 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

... 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 ... 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 generates ... products SQL* Plus SQL* Plus is an interactive program that allows you to type in and execute SQL statements It also enables you to type in PL/ SQL code and send it to the server to be executed SQL* Plus...

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 ... give you a good feel for the mechanics of programming with PL/ SQL 30 Day SQL* Plus is the tool used throughout this book for PL/ SQL code examples SQLPlus Worksheet and Procedure Builder are two other...

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 4.13 for an example of proper formatting Using Functions, IF Statements, and Loops 119 • When using multiple IF statements, indent the next IF statement five spaces inward See line of...

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 ... ON at the SQL* Plus prompt Then, execute the code in Listing 5.25 INPUT LISTING 5.25 Testing the Recursive Function with an Anonymous PL/ SQL Block DECLARE v_test NUMBER := 10; v_Counter INTEGER ... 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...

Ngày tải lên: 15/12/2013, 05:15

... the next line of code immediately following the procedure invocation line ANALYSIS Another example of the same procedure being executed from within SQL* Plus is the following: INPUT SQL> execute ... 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 ... Oracle Server begin ••• end; PL/ SQL Engine SQL Statement Engine Because PL/ SQL passes the DML statements to the RDBMS, the PL/ SQL statements must conform to the required SQL syntax standards This...

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

... from a buffer in memory PL/ SQL Program Unit PUT_LINE Memory Buffer From PL/ SQL, you make calls to PUT_LINE in order to place text in the buffer DBMS_OUTPUT Package GET_LINE SQL* Plus reads text ... 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 ... line SQL* Plus will pick this up and display it combined_names := ‘’; FOR inx1 IN lines_to_get LOOP IF inx1 > THEN combined_names := combined_names || ‘ and ‘; END IF; combined_names := combined_names...

Ngày tải lên: 15/12/2013, 05:15

... 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 ... function, or you can use the new SQL* Plus CALL statement Listing 20.4 shows both methods being used INPUT/ OUTPUT LISTING 20.4 Invoking SS_THRESH from SQL* Plus 1: SQL> SELECT ss_thresh FROM dual; ... 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...

Ngày tải lên: 15/12/2013, 05:15

... executed statements 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 ... 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, ... 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 Loop Statements...

Ngày tải lên: 21/12/2013, 06:17

... 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 ... that recognize it: • SQL* Plus • SQL* DBA • Server Manager What command tells SQL* Plus to display PL/ SQL output? SET SERVEROUTPUT ON Name at least two options for managing your PL/ SQL source code The ... 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...

Ngày tải lên: 24/12/2013, 12:17

... Reports and Manage PL/ SQL Code CĆ5 Entering Commands in SQL* Plus CĆ6 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Entering Commands in SQL* Plus Once you log in to SQL* Plus, you see ... message Creating SQL* Plus Files Containing PL/ SQL Blocks You can include PL/ SQL blocks in files of SQL and SQL* Plus commands Create the file using the operating system editor SQL* Plus commands ... and Manage PL/ SQL Code CĆ31 CĆ32 Introduction to Oracle: SQL and PL/ SQL Using Procedure Builder Debugging in SQL* Plus continued One method for debugging your PL/ SQL block using SQL* Plus is to...

Ngày tải lên: 17/01/2014, 09:20

... 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 ... 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, ... 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 statements only...

Ngày tải lên: 17/01/2014, 09:20

... languages, 13 compiling and executing, 15-17 debugging (Procedure builder), 24-28 executing (SQLPlus Worksheet), 28-29 formatting (indenting), 396 function, 51 syntax, 51-52 nesting, 54 listing, 54-55 ... 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...

Ngày tải lên: 21/01/2014, 18:20

... 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, ... 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, ... (dbms output.put line() procedure), 17 processing benefits, platform independence (PL/ SQL benefits), Platinum Technology Inc Web site, 11 PLS_INTEGER datatype, 43 syntax, 44 plus sign (+) addition...

Ngày tải lên: 26/01/2014, 15:20

Ngày tải lên: 22/03/2014, 10:20