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1) classification of Sets Oracle supports three types of collections: Associative array (Index-by table) Nested table) Variable-length array (VARRAY) One of their differences is that the Nested table and VARRY can be used either in PL/SQL or directly in the database, but the Associative array doesn't work, that is, associative array cannot be created separately u
triggersA. Enabling and disabling triggers: When to prohibit: Prohibit data import and exportsql> ALTER TRIGGER aiu_itemfile DISABLE;sql> ALTER TRIGGER aiu_itemfile ENABLE;B. recompiling a trigger: After a database object has changedC. Deleting a triggersql> DROP TRIGGER Aiu_itemfile;19. Triggers and stored proceduresTrigger Stored proceduresWrite no parameter, return value has parameter, return value (par
PL/SQL program control structure and change data and manage transactions in PL/SQL, plsql1. condition Control A. IF condition branch Syntax: If (condition 1) then Statement; Elsif (condition 2) then Statement; Elsif (Condition 3) then Statement; Else Statement; End if; B. ca
resolves a deadlock by ending one of the transactions 8. Transaction ISOLATION LEVEL A. Classification A. Non-submitted read Read data not submitted by other users, also known as dirty Read B. Read-Committed: Oracle support, which is also the default supported level (non-repeatable read data exceptions may occur) C. REPEATABLE READ:
Oracle|sql Language Oracle Pl/sql Language Foundation 2002-8-23 Oracle Pl/sql Language Basics Pl
The ORACLE tutorial is the basics of Oracle PL/SQL language. PL/SQL is an extension of ORACLE's standard database language. ORACLE has integrated P
The Oracle tutorial you are looking at is the introductory Foundation for Oracle Pl/sql languages. Pl/sql is Oracle's extension of the standard database language, Oracle has integrated
1. Traditional layer by layer data, and Plsql as a separate unit to return to the client, reduce the query, reduce the network transmission of the round trip, funny2.pl/sql statement blocks are divided into two types: naming (subroutines, functions, packages that exist in the database, and later can be referenced by name), AnonymousDifference: A named statement b
Oracle tutorial pl/SQL introduction, oracle tutorial plsql This example describes Oracle pl/SQL. We will share this with you for your reference. The details are as follows: I. What is
PL/SQL is an extension of Oracle's standard database language. Oracle has integrated PL/SQL into ORACLE servers and other tools, in recent years, more developers and DBAs have started to use P
, the program immediately stops executing and goes to execute the exception handler.After the exception is processed, the execution of the entire PL/SQL block ends. So once an exception occurs, in the executable portion of the PL/SQL block, starting at the place where the exception occurred, the future code will no lon
/admin/profiler. SQL Runid run_date run_comment --------------------------------------------------------------- 1 08-feb-12 14:55:38 Dave testpl/SQL profiler 2 08-feb-12 15:03:11 Dave testpl/SQL profiler 3 08-feb-12 15:07:26 Dave testpl/SQL profiler 4 08-feb-12 15:09:40 Dave testpl/
Oracle|sql language []oracle pl/sql Language Foundation Oracle Pl/sql Language Basics Pl/
;export tables-> Oracle Export Select option exports. dmp files. Import steps: Note: It is better to delete the previous table before importing, except of course the import database. 1 tools->import tables->sql inserts import. SQL file. 2 tools->import talbes->oracle Import before importing the DMP file. Some notes:
What is PL/SQL?• PL/SQL is a programming language developed by Oracle and dedicated to Oracle • PL stands for procedurallanguage • SQL stand
Pl/sql is Oracle's extension of the standard database language, Oracle has integrated PL/SQL into Oracle servers and other tools, and more developers and DBAs have started using Pl/
under the folder, and then create tnsnames. ora file with the following content: oracledata = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = yourhostIp) (PORT = 1521 ))) (CONNECT_DATA = (SERVICE_NAME = yourSID) configure it according to your actual situation. Then open PL/SQL and set OCI Library and Oracle_home in perference. My settings are OCI Library = c: \ oracleclient \ oci. dll, O
/SQL program design, including basic grammar, control structure, cursor, exception handling, etc. the most practical development techniques for PL/SQL programs are introduced, including subroutines, packages, triggers, dynamic SQL, batch bindings, subroutine dependencies, etc. advanced article describes
/create-an-excel-file-with-plsql Http://www.jasonsdevelopercorner.com /? Page_id = 8 Https://xml-spreadsheet.samplecode.oracle.com/ Http://sanjeev-oracle-world.blogspot.com/2007/06/create-excel-workbook-by-plsql-code.html Http://matzberger.de/oracle/spreadsheet-en.html Http://www.protalk.in/oracle/plsql-tips-package-for-exporting-
will have a general understanding of PL/SQL programming and lay a foundation for the future development of PL/SQL programming.Ii. PL/SQL programming BasicsTo master a programming language, you must first understand its basic synt
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