This series of articles I saw in the sqlskill.com's PAUL blog, many misunderstandings are more typical and representative, the original from the T-SQL Tuesday #11: Misconceptions about... EVERYTHING !!, After translation and arrangement by our team, it is published on AgileSharp. Hope to help you.
Misunderstanding #26: there is a real "transaction nesting" in SQL
monitoring servers) at Enterprise Manager.As you complete these preparation actions, you are ready to activate the Database Maintenance Plan Wizard to set log shipping. You can first view the five sequential steps of the log shipping process, as shown in Figure 1:
Figure 1:sql Server 2000
The SQL Server transaction log may be filled, which blocks subsequent database operations, including update, DELETE, INSERT, and checkpoint.
Full transaction log fills can cause 1105 errors:
Can ' t allocate space for object syslogs in database dbname because
The logsegment
The SQL Server transaction log may be filled, which blocks subsequent database operations, including update, DELETE, INSERT, and checkpoint.
Full transaction log fills can cause 1105 errors:
Can ' t allocate space for object syslogs in database dbname because
The logsegmen
transactions.
BEGIN TRANSACTION
Commit TRANSACTION
ROLLBACK TRANSACTION
Use global variable @ @error to determine whether a transaction operation succeeded
@ @error Save Query results for the most recent SQL statement.
If the
SQL Server shrinks transaction log
One, because the system input and delete data frequently, so the transaction log is very large.
SQL Server Speaks:
BACKUP LOG database name with
Myth #26: There is a real "transaction nesting" in SQL ServerError
Nested transactions do not appear to allow transaction nesting as their syntax behaves. I don't know why anyone would write code like that, and the only thing I could think of was a guy who scoffed at the SQL Server community and wrote the code: "Play
Recovery | Data maybe a lot of friends have encountered this problem:
The update or DELETE statement forgets the WHERE clause, or the WHERE clause is not accurate enough to cause serious consequences after execution,
Data recovery in this case can only take advantage of the transaction log backup, so if your SQL does not have a corresponding full library backup
O
One afternoon, the development report said that when the DML operation was executed, the database reported an error where the transaction log was full. The specific information is as follows: $ db2deletefromtzsdb01DB21034E this command is processed as an SQL statement because it is not valid
One afternoon, the development report said that when the DML operation
DB2 "The transaction log for the database is full" problem and solution, db2transaction
DB2 reports "The transaction log for the database is full .. "error. I checked the document because the DB2 log file is full.
First, run the following command to
Background
Software Programming in Jiri GA is fascinating: getting started with Database Transaction Processing (suitable for beginners)ArticleThe difference between ms SQL Server and Oracle in Database Transaction Processing caused some controversy, So I recorded my thoughts on database transaction processing.
Int
1. Basic concepts of transactions
A transaction is a logical unit of work composed of a series of tasks. All tasks in this logical unit must be completed or all fail as a whole.
In SQL Server, no matter whether or not begin transaction is explicitly used to mark the start of a transaction, each DDL operation is a
DB2 in the execution of a large insert/update operation, the "The transaction log for the database was full. "Error, check the document is the DB2 log file for the sake of full."Run the following command first to view the log configuration information for the DB2$ DB2 Get DB
Error Log switch and view, SqlServer log
SQL Server logs and Agent error days are generally automatically switched after the instance is restarted. If the instance has not been restarted for a long time, too many logs may be accumulated, which is inconvenient to view.
Summary article: Http://www.cnblogs.com/dunitian/p/4822808.html#tsqlException handling Rollup-database family http://www.cnblogs.com/dunitian/p/4522990.htmlI think this is one of the things.Map First:Look at the disk: ...Change the transaction mode to "simple" and then shrink the diary and data filesOrder can refer to this article:http://www.cnblogs.com/dunitian/p/6047709.htmlYes, if you need a post-recovery or something, it is recommended that you do
InnoDB source code analysis-transaction log (1), innodb source code
Original article, reprinted please indicate the original link (http://www.cnblogs.com/wingsless/p/5705314.html)
In the previous article "InnoDB WAL learning" (http://www.cnblogs.com/wingsless/p/5203064.html), I analyzed what WAL is, the timing of triggering, recently just in the view of the redo
Label:MySQL redo log structure vs. SQL Server log structureInnoDB storage Engine MySQL Technology insider F 1 F 2 F 3 F 4 F 5 F 6 F 7 F Sql server Http://www.cnblogs.com/CareySon/p/3308926.html Transaction-to-database changes are broken down into multiple atomic-level ent
/my.cnfLong_query_time | 10.000000 query over how long to record the default is 10s3. Binary LogOpen binary log: Edit/etc/my.cnf bin_log=/data/mydata/my_binView show VARIABLES like '%bin% ';View binary logs: MybinlogMysqlbinlong--start-position=# my_bin.000001--stop-position=#--start-datetime= ' Yyyy-mm-dd hh:mm:ss 'The status of the binary log currently being us
Transaction logs are very important but often ignored in the database structure. Since it is not as active as the schema in the database, few people are concerned about transaction logs.
Transaction logs are records of database changes. They can record any operations on the database and save the record results in an independent file.
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