You can identify the Oracle session ID for an RMAN channel by looking in the RMAN log for messages with the format shown in the following example:
Channel identifier: SID = 15 devtype = sbt_tape
TheSidAndDevtypeAre displayed for each allocated channel. Note that the OracleSidIs different from the operating system process ID. You can kill the session by specifyingSidIn a SQL statement, but the commands are not the same as the operating system processKillCommands.
You can specifySidIn t
Alter system set control_files statement when multiple control files existAlter system set control_files = '/oradata/test/control01.ctl', '/oradata/test/control02.ctl', '/oradata/test/control03.ctl' scope = spfile;Note: The Path of each control file is enclosed in quotation marks and separated by commas.
Do not write the following statement; otherwise, a ora-00202 error may occur.Alter system set control_files = '/oradata/test/control01.ctl,/oradata/
TOASTR plug-in detailed referenceProject Address: Https://github.com/CodeSeven/toastrHow to use(1) Adding references message Prompt - Linkhref= "/assets/js/plugins/bootstrap-toastr/toastr.min.css"rel= "stylesheet"type= "Text/css" /> message Prompt - Scripttype= "Text/javascript"src= "/assets/js/plugins/bootstrap-toastr/toastr.min.js">Script>(2) Examples of common useDisplay an info toast with no titletoastr.info (' is the 6 fingered man? ') Display a warning toast with the No titleto
Alter table causes auto_increment resequencing, resulting in duplicate entry '1' for key 'Primary ',
When you open the navicat design table and want to change the primary key id to auto-increment, this prompt will pop up. Changing the table will lead to auto-increment (column) re-sorting, and the primary key will have repeated '1 '. The reason is that auto_increment is auto-incrementing from 1. If a record with id = 0 and id = 1 exists at the same ti
Label:1: Delete ColumnsALTER table "table name" DROP "column name"2: Add columnsALTER table "table name" ADD "column name" INT not NULL COMMENT ' comment description '3: Modify the column type informationALTER table "table name" Change "column Name" "New column name (you can use the same name as the original column)" BIGINT not NULL COMMENT ' comment description '4: Renaming columnsALTER table "table name" Change "column Name" "New column name" BIGINT not NULL COMMENT ' comment description '5: R
I want to add a field to a table in the database online, the table is very small, just a few k, but can not execute, a execution will be stuck, locked out.ALTER TABLE tiv_product_detail_copy add activity_type varchar (+) not NULL COMMENT ' activity type lbjp-knot lc-activity dbq-voucher Gift Pack ';WORKAROUND: Kill any process that is using this table library (the table that this article is modifying is a table in the XY library), possibly a process stuck.Wrote a script to solve:#!/bin/shMysqlad
Tags: Suppose data tty span name length col number descriptionALTER TABLE project_list
CHANGE COLUMN descriptionofproj proj_desc VARCHAR(100), CHANGE COLUMN contractoronjob con_name VARCHAR(30); MODIFY: Use it to modify only the type of the column without interfering with its name, assuming you want to change the character length of the Proj_desc column to varchar (120) to accommodate more descriptive text, as long as you do so. ALTER TABLE project_li
described as not modifiable in Oracle Databa Se Reference. Scope=spfile, the SPFile parameter is modified, and the new setting takes effect only when the database is restarted using SPFile. Also, if you modify a static parameter (a parameter that cannot be directly in effect), you must specify Scope=spfile, otherwise the specified memory or both will report the following error: Ora-02095:specified initialization parameter cannot be modified Because static parameters cannot be directly modified
sno= ' 57507111 ' informationDELETE from Stu WHERE sno= ' 57507111 ';--Create a constraint by modifying the table structureALTER TABLE Stu ADD CONSTRAINT sno_pk PRIMARY KEY (SNO);--Delete ConstraintALTER TABLE Stu DROP CONSTRAINT sno_pk;--Insert InformationINSERT into Stu (sno,sbirthday) VALUES (' 57507105 ', to_date (' 2017-04-02 ', ' yyyy-mm-dd '))--Modify the date default value of StuALTER TABLE Stu MODIFY sbirthday DEFAULT sysdate--Delete Column SnoALTER TABLE Stu DROP COLUMN Sno--Add colum
RCU-6083: Failed-check prerequisite requirements for Selected components: MDSFor more information, see RCU Logs in E:\Setup\ofm_rcu\rcu\log\logdir.2014-11-27_12-39\rcu.log.------------------------------------------------------------------------------Component:mdsError:repository creation check failed.Cause:database: ' FWC ' is not configured correctly.Action:alter database to turn on the read_committed_snapshot option.Ensure you have DBA priviliges. Also the DBA should not havingMultiple logins
Tag: Use Oradebug in Sqlplus to locate the trace file generated by alter session 10046 event [[emailprotected]~]#su-oracle[[emailprotected]~]$sqlplus /assysdbasql>select*fromv$ Versionbanner-------------------------------------------------------------------------------------------Oracle Database11gEnterpriseEditionRelease11.2.0.3.0-64bit productionpl/sqlrelease11.2.0.3.0-productioncore11.2.0.3.0 productiontnsforlinux:version11.2.0.3.0- productionnlsr
Today installed on the Mac MySQL 5.7, after starting the service, enter Mysql-u root-p, enter the initial password, try to execute show databases;reported a you must reset your password using the ALTER USER statement before executing this statement. Error.Refer to Stack Overflow previous post https://stackoverflow.com/questions/33467337/ Reset-mysql-root-password-using-alter-user-statement-after-install-on-
DG Master and Standby switch Walkthrough in 10.2.0.3 Environment, after closing the application and restarting the main library, the main library queries switch state:Sql> select Switchover_status from V$database;Switchover_status--------------------SESSIONS ACTIVEExecute the following command to try to switchSql> ALTER DATABASE COMMIT to switchover to physical STANDBY;The error is as follows:Ora-01093:alter
Alter database open resetlogs Statement today, when I was reading the 11g admin, I found this passage: "If you previusly created a control file specifying RESETLOGS and either did not specify filenames or specified nonexistent filenames, then the database creates redo log files for you when you issue the alter database open parameter statement. it means that if you have created a control file and set the RE
Resize datafile fails because some object extended to the edge of datafile (the largest place ).The following SQL allows us to find the first five objects at the edge.Select *From (Select owner, segment_name,Segment_type, block_idFrom dba_extentsWhere file_id =(Select file_idFrom dba_data_filesWhere file_name =: File) -- Use Your datafile insteadOrder by block_id DESC)Where rownum
-- The data is not found in my database. It is stored here first and will be used later.
Run the following script
For the use of ALTER TABLE setunused, check the official documentation:
alter_table::=
column_clauses::=
Drop_column_clause:: =
SET Unused Clause
Specify SET unused to mark one or more columns asunused. Specifying this clause does is not actually remove the target columns Fromeach row in the table. The It does not restore the disk space used Bythese columns. Therefore, the response time are faster than when you execute THEDROP clause.
can
Once the table is built into the database, we often find that the structure of the table needs to be changed. The common changes are as follows:
Add a field
Delete a field
Change field name
Change the data type of the field
The changes listed above are not all possible changes. alter TABLE can also be used to make other changes, such as changing the primary key definition.The syntax of AL
SQL Server in the deletion of constrained columns the basic processing method
1. First, you need to delete the key associated with the constraint
2. Delete field
Delete constraint statement:
ALTER TABLE
drop constraint constraint name or key
go Delete field statement '
ALTER TABLE table
drop column field name ' You
will be prompted for an error: because one or more objects access this column,
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