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transactions in the master transaction. Until the primary transaction is committed, once the primary transaction is committed, changes in the autonomous transaction are visible to the autonomous transaction.
10) isolation level
Isolation level is a method for processing and modifying database transactions. It affects the visibility of changes in one transaction
Trigger implementation is required for processing a business requirement in the project yesterday. The trigger involves triggering table operations after inserting, deleting, and updating. Operations in inserting and updating can be implemented normally, that is, when deleting is used, it is required to update other tables. The updated value is the query operation on the trigger table itself. I have tried the N method to meet the requirement within a limited horizontal range, finally, it was fru
transactions.Avoid variation tables: The table that triggers this trigger in the triggerUsing DDL in triggers to write a database: a stored procedure or function that writes to a database (INSERT, UPDATE, DELETE, create, alter, commit) cannot be simply invoked with SQL, and can be set as an autonomous transaction. This avoids errors such as ora-14552 (inability
Tags: Oracle self-ServiceAn autonomous transaction (autonomous transaction) allows you to create a "transaction in a transaction" that can be committed or rolled back independently of its parent transaction. With an autonomous transaction, you can suspend the currently executing transaction, start a new transaction, co
"TRG_INVOICE_EXPORTTOSAP_MODIFY"
After update
On T_DTMS_TAX_INVOICE
For each row
Declare v_pkvalue NUMBER (20 );
V_opcontent_ori VARCHAR2 (50); -- the value before modification
V_opcontent_dst VARCHAR2 (50); -- modified value
Begin
V_pkvalue: =: new. id;
Case when updating then
V_opcontent_ori: =: old. EXPORT_TO_SAP;
V_opcontent_dst: =: new. EXPORT_TO_SAP;
If v_opcontent_ori = 1 and v_opcontent_dst = 0 then
P_DTMS_UPDATE_SAP (v_pkvalue, v_opcontent_ori, v_opcontent_dst
is difficult to record the error information to the database table because the transaction fails to be re-run, the INSERT statement used to write log entries has not been completed yet.
To address this dilemma, Oracle provides a convenient method, that is, autonomous transactions. An autonomous transaction starts from
A database transaction is a unit operation. Either all operations are successful or all operations fail. In Oracle, a transaction starts from executing the first data governance language (DML) statement until it executes a COMMIT statement, commits and saves the transaction, or executes a ROLLBACK statement, stop this operation.
It is difficult to record the error information to the
"cloud platform" has attracted more than 100 friends from LinkedIn. But in fact, for Wu Chengyang, nothing has changed."Don't look at just the database turned into cloud Platform, the most important point is that Oracle today is Cloud Platform. Most of the time the media li
A database transaction is a unit operation, either all operations succeed or all fail. In Oracle, a transaction begins with executing the first Data Governance language (DML) statement until a commit statement is executed, commits to save the transaction, or executes a rollback statement that discards the operation.
The nature of the "either complete or incomplete" of the transaction makes it difficult to
Find the specific trace file based on alert. Note that unlike normal deadlocks, the following Blocker (s) and Waiter (s) are the same sid, and the trace contains the SQL statements being executed and
Find the specific trace file based on alert. Note that unlike normal deadlocks, the following Blocker (s) and Waiter (s) are the same sid, and the trace contains the SQL statements being executed and
1. Oracle interpretation of deadlocks caused by
(P_error_message in varchar2) as
PRAGMA autonomous_transaction;
BEGIN
INSERT into error_logs (ID, Log_timestamp, error_message)
values (error_log_seq. Nextval, Systimestamp, p_error_message);
commit;
End;
/
Create a test table that defines the ID field of the table as NOT null
CREATE TABLE at_test (
ID number () NOT NULL,
des varchar2
);
To define a stored procedure that attempts to insert illegal data into a test table
Create or replace
procedure P1
as BEGIN
There are many backup methods for Oracle databases, including industry-recognized cold backups, hot backups, and so on, but regardless of which backup method is used, the purpose of the backup is to recover the system at the lowest possible time and cost in the event of a failure. Unfortunately, Oracle seems to have not done much layout in the cloud at the moment
Oracle starts with the database service as a PAAs service, okay? Oracle is called DBaaS, database servicehttps://cloud.oracle.com/database?tabID=1383678914614Current Specifications and priceshttps://cloud.oracle.com/database?tabID
Tags: learning methods Technical personnel how to learn public lessons OracleOpen Class Address: QQ Group 263409098public class Address: May 17, 2017 20 o'clockPublic Course Content:1. Where does it technology practitioners in the cloud era go?2. What kind of technical personnel does the enterprise need in the cloud era?3. How to become an annual salary (300,000 ~100 million) of high-paying people?4. What a
?Can I Customize and extend Oracle E-business Suite on Oracle Cloud?How does I migrate customizations of Oracle e-business Suite on the cloud to my on-premises production system?Can We use our own custom data with Oracle E-busines
Today, large enterprises such as financial enterprises and banks, in the next generation of micro-service architecture transformation requirements, the need for basic software and data platform to achieve native cloud, to meet the needs of micro-service architecture.MicroServices, a service-oriented, loosely coupled architecture with specific boundaries.The main features include, each micro-service is an independent
Tags: mount upgrade multi-tenant service disaster developer local private cloud-specificToday, large enterprises such as financial enterprises and banks, in the next generation of micro-service architecture transformation requirements, the need for basic software and data platform to achieve native cloud, to meet the needs of micro-service architecture.MicroServices, a service-oriented, loosely coupled arch
Label:You can now run Oracle e-business Suite on Oracle Cloud. EBS customers can take advantage of rapid environment provisioning, elastic infrastructure this scales up on demand, and a Pay-As-You-Go model to reduce capital expenditures. EBS customers has the option of deploying their EBS 12.1.3 and 12.2 environments on the O
customers with a broad range of application services and platform services. Customers can also choose to run Oracle products in third-party public clouds. Many third-party SaaS ISVs and other public clouds are powered by Oracle technology. Finally, Oracle provides software that integrates across public and private clouds.
For a private platform-as-a-service (P
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