oracle plsql para dummies

... example is from Solaris 2.5.1 and Oracle 8.0.3. gcc -I /oracle/ product/8.0.3/rdbms/demo \ -I /oracle/ product/8.0.3/network/public \ -I /oracle/ product/8.0.3 /plsql/ public \ -fPIC -Wall -c tz_utl.c gcc ... to Oracle& apos;s Programmer's Guide to the Oracle Call Interface. 21.4.4 Correct Declaration of Properties With one exception, every parameter-property combination that you list in the PARAMETERS ... the parameter by reference. In other words, the module in the shared library is expecting a pointer to the parameter rather than its value. BY REFERENCE only has meaning for scalar IN parameters...

Ngày tải lên: 17/10/2013, 19:15

... for a numeric parameter. If the parameter is speed_in, is the speed in miles-per-hour or kilometers-per-hour? ● The valid ranges for incoming parameter values. Remember that all parameters are ... example, declare a parameter as NUMBER(3). So if a parameter does have a valid range or list of values, explain that. ● Invalid or impossible values for the parameters. If the speed_in parameter cannot ... many attributes of the same entity as individual parameters, you might consider replacing all of those separate parameters with a single record parameter. Suppose you create a module to insert...

Ngày tải lên: 20/10/2013, 11:15

... your PL/SQL code base: ● If you are an Oracle VAR, you probably are supporting multiple Oracle versions, from 7.0 or 7.1 to Oracle 8.x. If you are a lucky Oracle VAR, you will have (in many cases) ... to Oracle. The USER function does not, in other words, return the name of the schema which owns the code in which the USER function was called. Previous: 22.7 Tips for Parameter Design Oracle ... directory of the Oracle instance. In UNIX, this directory is located at $ORACLE_ HOME/bin. In Windows NT, you can cd to c:\OraNT\bin, where "c:" denotes the drive on which Oracle has been...

Ngày tải lên: 20/10/2013, 11:15

... remove this watermark. An Oracle product introduced with Oracle7 .3 that provides some excellent tuning tools, including Oracle Performance Manager, Oracle Trace, and Oracle Expert. 25.1.1 Use ... large programs. Prior to Oracle 7.3, Oracle requires contiguous memory in the SGA to store the code, so if sufficient space is not available at a given point of execution, Oracle will either raise ... application. Oracle offers a number of database monitoring and diagnostic tools, as do third-party vendors like Platinum Technology and Quest. Check Oracle documentation and Chapter 10 of Oracle...

Ngày tải lên: 24/10/2013, 09:15

... data, and that it will not work in the Oracle Developer/2000 environment nor in Oracle WebServer.)[ 2] [2] See Chapter 7 of my book on packages, Advanced Oracle PL/SQL Programming with Packages, ... package, procname and funcname are the names of the programs, <parameter list> is the list of parameters (if there are no parameters, then you do not provide parentheses either) and <return ... programs and variables and exceptions, however, you find that you cannot use it in Oracle Forms or Oracle Reports or Oracle Graphics. What can you do? You simply have to get rid of that dot notation....

Ngày tải lên: 24/10/2013, 09:15

... that as of Oracle8 , there are two types of ROWIDs: extended and restricted. Restricted ROWIDs are the ROWIDs available with Oracle Version 7 and earlier. Extended ROWIDs are used in Oracle8 . ... interval. C.5.1 The BROKEN procedure The Oracle Server considers a job to be broken if it has tried and failed 16 times to run the job. At this point, Oracle marks the job as broken and will ... to change the value of a specified National Language Support parameter. The specification is: PROCEDURE DBMS_SESSION.SET_NLS (param VARCHAR2, value VARCHAR2); C.12.7 The SET_ROLE procedure The...

Ngày tải lên: 28/10/2013, 16:15

... FUNCTION DBMS_UTILITY.IS_PARALLEL_SERVER RETURN BOOLEAN; The function returns TRUE if the database is running in Parallel Server mode; otherwise it returns FALSE. C.16.8 ... FUNCTION DBMS_UTILITY.GET_TIME RETURN NUMBER; C.16.7 The IS_PARALLEL_SERVER function This function helps determine if the database is running in Parallel Server mode. The specification is: Please purchase ... restricted set of directories, provide separate entries in the INIT.ORA file as shown below: utl_file_dir = /tmp/trace utl_file_dir = /user/dev/george/files The Oracle user must then have operating...

Ngày tải lên: 28/10/2013, 16:15

... Definition Language (DDL) statements through the use of dynamic SQL (DBMS_SQL in Oracle7 and Oracle8 , native dynamic SQL in Oracle8 i). In addition, you can manage transactions with COMMIT, ROLLBACK, ... (FFF) is the absolute (Oracle 7) or relative (Oracle8 ) file number. BBBBBBBB (BBBBBB) is the block number within the file. RRRR (RRR) is the row number within the block. UROWID (Oracle8 i) Universal ... larger than the Oracle7 limit of 2000 and the Oracle8 limit of 4000). VARCHAR2 Variable-length alphanumeric strings. Valid sizes are 1 to 32767 bytes (which is larger than the Oracle7 limit of...

Ngày tải lên: 24/12/2013, 02:17

... through their parameter lists. The syntax of a procedure is: CREATE [OR REPLACE] PROCEDURE name [ (parameter [,parameter]) ] [AUTHID CURRENT_USER | DEFINER ] Oracle8 i [DETERMINISTIC] Oracle8 i IS ... datatypes. The PARAMETERS clause specifies the external parameter list, a comma-delimited list containing parameters. The syntax for each parameter in the list is: CONTEXT | RETURN | parameter_name ... remove this watermark. Previous: 1.14 Packages Oracle PL/SQL Language Pocket Reference Next: 1.16 Oracle8 Objects 1.14 Packages 1.16 Oracle8 Objects The Oracle Library Navigation Copyright (c)...

Ngày tải lên: 24/12/2013, 02:17

... REPLACE] { PROCEDURE procedure_name [(param[, param] )] | FUNCTION function_name [(param[, param] )] RETURN sql_type } [AUTHID {DEFINER | CURRENT_USER}] [PARALLEL_ENABLE] [DETERMINISTIC] { IS ... in SQL parameters of : 15.6. Parameters without : 15.5.4.1. Functions without parameters PL/SQL, calling in SQL : 25.3.2. Call PL/SQL Functions in SQL to Reduce I/O records as parameters ... mapping of SQL types to Java types. Oracle extensions exist for Oracle- specific datatypes. Most datatype mappings are relatively straightforward, but passing Oracle8 objects of a user-defined...

Ngày tải lên: 24/12/2013, 02:17

... Concept of Programming in Oracle Applications Oracle Lock Management (OLM) services : C.7. DBMS_LOCK Oracle Reports : 1.2. The Concept of Programming in Oracle Applications Oracle Server Version ... Release 2.2, PL/SQL) Oracle Tools, anonymous blocks in : 15.3.3. Anonymous Blocks in the Oracle Tools Oracle* Mail : C.8. DBMS_MAIL Oracle, Trusted : About the Contents Oracle/ AQ, administration ... function parameters : 15.6. Parameters accepted in PARAMETERS clause : 21.4.3. Properties actual versus formal : 15.6.3. Actual and Formal Parameters Boolean : 22.7.2. Use Self-Identifying Parameters...

Ngày tải lên: 21/01/2014, 08:20

... specify as many cursor parameters as you want and need. When you OPEN the parameter, you need to include an argument in the parameter list for each parameter, except for trailing parameters that have ... 6.10 Cursor Parameters You are probably familiar with parameters for procedures and functions. Parameters provide a way to pass information into and out of a module. Used properly, parameters ... modules. PL/SQL also allows you to pass parameters into cursors. The same rationale for using parameters in modules applies to parameters for cursors: ● A parameter makes the cursor more reusable....

Ngày tải lên: 21/01/2014, 08:20

... Statements Oracle PL/SQL Programming, 2nd Edition Next: 6. Database Interaction and Cursors 5.1 Conditional Control Statements Book Index 6. Database Interaction and Cursors The Oracle Library ... Previous: 6.2 Cursors in PL/ SQL Oracle PL/SQL Programming, 2nd Edition Next: 6.4 Declaring Cursors 6.2 Cursors in PL/SQL Book Index 6.4 Declaring Cursors The Oracle Library Navigation Copyright ... Cursors Closing Cursors Cursor Attributes Cursor Parameters SELECT FOR UPDATE in Cursors Cursor Variables Working with Cursors PL/SQL is tightly integrated with the Oracle database via the SQL language....

Ngày tải lên: 21/01/2014, 08:20

... to work against both Oracle and non -Oracle data sources, you should avoid any references to the rowid pseudo-column and the ROWID datatype. 4.2.4 The Boolean Datatype The Oracle RDBMS/SQL language ... programming language but was designed specifically as an extension to the Oracle SQL language. A very thorough effort was made by Oracle Corporation to tightly integrate the programming constructs ... Variable Declarations Oracle PL/SQL Programming, 2nd Edition Next: 4.6 Programmer- Defined Subtypes 4.4 Variable Declarations Book Index 4.6 Programmer-Defined Subtypes The Oracle Library Navigation ...

Ngày tải lên: 21/01/2014, 08:20

Ngày tải lên: 21/01/2014, 08:20

Ngày tải lên: 21/01/2014, 08:20

Ngày tải lên: 21/01/2014, 08:20

Ngày tải lên: 21/01/2014, 08:20

Ngày tải lên: 21/01/2014, 08:20