What is savepoint?
Use
The SAVEPOINT statement to identify a point in a transaction to which you can
Later roll back.
For example:
SQL> SELECT * FROM SCOTT. DEPT;
DEPTNODNAME LOC---------------------------------10ACCOUNTING NEW YORK20 RESEARCH
The savepoint (savepoint) is a flag in the transaction process that is used in conjunction with the rollback command (ROLLBACK), and the main purpose is to allow a user to roll back a section of processing without having to roll back the entire
The new JDBC3.0 save Point Interface provides additional transaction control. Most modern DBMS in their environment, such as Oracle's Pl/sql, support SavePoint.
Defines a logical rollback point in a transaction when a save point is set. If an error
This article mainly introduces the errors that occur when the savepoint statement in MySQL is used. The problems that occur when the string is eare also submitted as a MySQL bug, if you need a friend, you can refer to the case to help your
A savepoint is a point in a transaction. You can use rollback to return to a storage point. A transaction can have multiple storage points. Once the transaction is committed, save
A savepoint is a point in a transaction. You can use rollback to
Savepoint in Oracle transactions 1. Basic Concepts savepoint is a point in transactions and can be returned to a certain storage point through rollback. A transaction can have multiple storage points. Once the transaction is committed, the storage
A few days ago to help colleagues solve a case, in the master-slave replication environment, from the library on the MySQL version number is 5.5.5, encountered the following error:
#其他非相关信息我都隐藏掉了
[(yejr@imysql.com)]> show slave status \g;
Oracle SQL Summary 2: Set operator and DML Statement 3. Set operator 3.1 The set operator can only appear before the order by clause. Www.2cto.com 4, DML statement 4.1 SAVEPOINT from ORACLE SQL references Savepoint names must be distinct within a
server| Transaction Processing
Transaction definition:
A transaction is a single unit of work. If a transaction succeeds, all data changes made in that transaction are
commit to become a permanent part of the database. If the transaction encounters
Transaction definition:A transaction is a single unit of work. If a transaction succeeds, all data changes made in the transaction areCommits and becomes a permanent part of the database. If the transaction encounters an error and must be canceled
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