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Oracle Database Programming: Change Data and management items in PL/SQL change data and manage items in PL/SQL: returning clause of DML statements: to obtain the information after the insert, update, and delete statements are exec
PL/SQL Developer does not install a client to connect to a remote oracle database (for example, developeroracle)Labels ):Http://www.oracle.com/technetwork/cn/database/features/instant-client/index-092699-zhs.html2. Download and install PLSQL (around 16 Mb ):Http://www.online
We know that any programming language can handle exceptions, such as Java and C ++.Oracle DatabaseHow to handle exceptions? In fact, the handling of Oracle Database exceptions is actually very simple. This article givesPL/SQL Exception HandlingThe Code is as follows: declare e_1exception; begin b
Locate the Oracle installation directory, locate the Tnsnames.ora file under the Admin folder, open the file, and add the database you want to connect to, example:tht = (DESCRIPTION = (Address_list = (ADDRESS = (PROTOCOL = TCP) (HOST = 10.10.124.226) (PORT = 1521)) (CON Nect_data = (service_name = ORCL)))Note: tht for themselves as a linked database name, anythin
LOOP ................................................................................................ End loop; D. nested loop and label: Define label: 3. Sequential ControlA. GOTO statement: used to jump to the specified The disadvantage is that it increases the complexity of the program and reduces readability. Therefore, we recommend that you do not use Oracle. B. NULL statement: NULL statement. It doe
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 does not support (phantom read data exceptions may occur) D. Serial
Oracle|sql Language Oracle Pl/sql Language Foundation 2002-8-23 Oracle Pl/sql Language Basics Pl
. Create Database-related directories Diagnostic directory is added for Oracle 11g, which is $ ORACLE_BASE by default. [Oracle @ rh6 dbs] $ mkdir-p $ ORACLE_BASE/admin/test1/adump [Oracle @ rh6 dbs] $ mkdir-p/u01/app/oracle/oradat
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,
The ORACLE tutorial is the basics of Oracle PL/SQL language. PL/SQL is an extension of ORACLE's standard database language. ORACLE has integ
Tags: PL/SQL developer do not install client connection to remote Oracle databasePL/SQL Developer is an integrated development environment designed specifically for the development of Oracle Database storage
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, ass
I. Problem Description Install RAC of 11.2.0.1 on Oracle Linux 6.1 and run the root. Sh script when installing grid. The error is as follows: [Root @ Rac1 bin] #/u01/APP/11.2.0/GRID/root. Sh Running Oracle 11g root. Sh script... The following environment variables are Setas: Oracle_owner = Oracle ORACLE_HOME =/u01/AP
trigger (Alternative trigger) 17. system event triggers 18. Manage triggers A. Enable and disable triggers: When to disable: when data is imported and exported SQL> ALTER TRIGGER aiu_itemfile DISABLE; SQL> ALTER TRIGGER aiu_itemfile ENABLE; B. Re-compile trigger: After the database object changes C. delete a trigger SQL
PL/SQL enhancements in Oracle 12c Oracle 12c enhances a series of methods for defining and executing PL/SQL program units. This article covers several new features of
Introduction to PL/SQL program design and plsql Program DesignZookeeper ① PL/SQL program design overview PL/
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
Today, I am working on an OA report. I use a stored procedure to calculate some data. When doing a for xxx in xxxx loop end loop; loop, I never knew it was Mao. I can't catch the no_data_found exception in for any more. Once this no_data_found Oracle occurs, it automatically jumps out of the for loop, but I don't know what went wrong, that was depressing for an hour. Shit. Later I remembered that pl/
Today, I am working on an OA report. I use a stored procedure to calculate some data. When doing a for XXX in xxxx loop end loop; loop, I never knew it was Mao. I cannot catch the no_data_found exception in for any more. Once this no_data_found occurs Oracle will automatically Jump Out Of The for loop, but I don't know where the error occurred. It was a depressing hour. Shit. Later I remembered that PL
PL/SQL language development Reference Manual II: PL/SQL program structure PL/SQL language development Reference Manual1,PL/
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