db2 delete

Delete Volume: Delete 10,000 at a time.The first way to delete data by deleting from table where ID in (a bunch of IDs) is to first query the data that needs to be deleted from the database, pass the ID to the MyBatis framework, and show the following: DeleteID= "Deletebyid"ParameterType= "Map">DELETE from Tbl_acc

# Directly Delete the table if [quot; $ DEL_VALUEquot; quot;-quot;] thendelete_tab_data 'db2-txq # Directly Delete the table if [quot; $ DEL_VALUEquot; = quot;-quot;] then delete_tab_data = 'db2-tx q Because the data in many large tables is deleted in the project, the log-free method is adopted at first. After int

Recently, due to project requirements, shell programs are used to batch Delete business table data, but business history data needs to be retained according to business needs. Because db2 is used in the project, db2 will generate a large number of logs when deleting data. It will fill up the log file and report the error 57011. by searching for some information o

When you use commands to delete a DB2 database and create a new database, there are often database alias errors. There are two possible causes of this error: 1. this database exists in the system database directory. You can see in the control center and list db directory in the DB2CLP window. 2. The database is "removed" rather than "deleted ". Another possibility is that we used the "Remove" Database Funct

There are many ways to delete DB2 data. The following describes the four most commonly used methods to delete DB2 data. If you have encountered any problems in deleting DB2 data, take a look. 1. Use the DELETE statement, namely:

DB2 table deletion is a common operation. The following describes how to delete a table in DB2 for your reference. DB2 Delete tableYou can use the drop table statement to delete a TABLE. When a table is deleted, the row containin

The following articles describe how to restore and Delete tables in DB2. In actual operations, the DB2 database stores backups and restores data in historical files, and operations such as loading data and deleting tables. if the database name is sample, you can use the following command to list the records of the table to be deleted:

The following articles mainly describe the actual operating environment for manual addition of databases to DB2, as well as the actual operation steps for manual addition and deletion of databases to DB2, the following is a detailed description of the main content of the article. I hope you will have a better understanding of it after browsing. Test environment: Windows XP

,descitem_id,max (content)From DETAILTEMP1GROUP BY catentry_id,descitem_id@SELECT * from TableA where catentry_id to (select distinct catentry_id from TableA GROUP by CATENTRY_ID,DESCITEM_ID has COUNT (*) >1) @ --5. Delete temporary table The code is as follows Copy Code drop table detailtemp1@--end There are several other ways to share 2, DB2

---- Start Everyone is familiar with how to delete data. We use this to write: Delete from In fact, this write performance is not good, especially when you delete a large amount of data, to achieve better performance, you can use the following method: Delete from What should I do if I want to

Tags: arch const. COM recommends UBI data disconnect ASE LTEReproduced: http://blog.sina.com.cn/s/blog_67aaf4440100v01p.html, slightly modified. --Create a databaseCreate Database ETP; --Connect to databaseConnect to ETP; --DisconnectDisconnect ETP; --See what tables are in the current databaseList tables; --Delete Tabledrop table studentinfo; --Adding a constraint when creating a table 1CREATE TABLE Studentinfo (Stuno int NOT NULL,Stuname varchar (8)

Quick deletion of db2 data without writing logs IBM official documentation: Use the not logged initially parameter to reduce logging if an application creates and fills a worksheet Based on the master table, in addition, you do NOT worry about the recoverability of these worksheets (because you can easily re-CREATE them based on the master TABLE), you can specify the not logged initially parameter on the create table statement when creating a workshee

Label:DB2-alter Append/delete/reset column operation 1. Add field ALTER TABLE name add field name type DEMO:1 ALTER TABLE table_name NBSP;ADD N Bsp;column_test VARCHAR (50); 2. Change the field type ALTER TABLE name ALTER COLUMN field name set data type type DEMO: 1 ALTER TABLE table_name ALTER COLU MN column_test Set Data type VARCHAR (3); NOTE: There are operational restrictions for changing the field type. To change the field to a size large

Sysproc.admin_cmd (); --Collect statistical informationCall Sysproc. Admin_cmd ('RUNSTATS on TABLE db2user. S_clm_rate_pol_aaa_test'); --Add new Partition EXECUTEIMMEDIATE'ALTER TABLE Db2user. S_clm_rate_pol_aaa_test ADD PARTITION'||V_partition_name||'starting'||SUBSTR (Etl_date,1,6)||'INCLUSIVE Ending'||V_partition_end||'Exclusive'; SETV_location= 'After you add a new partition'; COMMIT; EXECUTEIMMEDIATE'ALTER TABLE Db2user. S_clm_rate_pol_aaa_test ACTIVATE not logged initially'; for

1. Add a fieldALTER TABLE [table_name] add [column_name] [Column_type]2. Change the field typeALTER TABLE [TABLE_NAME] ALTER COLUMN [COLUMN_NAME] Set data type [Column_type]Note: Changes to the field type are limited, such as changing the field to be larger than the previous type, if you want to change the size or change the decimal length, you must first drop the original column and then add it again.For example, I want to change the column of a varchar (10) to varchar (6) or change the column

First,You need to update your"Relational"Knowledge about database management systems.No"Top"Or"Bottom"OfNConcept of rows.However, the result set has the concept of "TOP" or "bottom "..You can useFETCH FIRST N ROWS ONLYClause to get the startNRows,But getNRows are more difficult.To achieve this,You need to use a scroll pointer.The scroll pointer allows you to read/All rows are moved before and after the result set. I suggest you readDB2 SQLReference manual andDB2The content of the scroll pointer

A DB instance exists in two places in the data:1: Physical Location: On disk, which is the file system.2: Logical Location: The database system table, which is the configuration information for the disk file.Procedure for deleting a database:1: Delete the physical file, 2: Delete the logical information, that is, the configuration information of the physical file.The above two places are deleted at the same

Http://hi.baidu.com/wader2006/blog/item/78406b60b51f8b47ebf8f8f0.html DB2 Common Command Set----DB2 maintenance 2007-09-09 10:10 in the DB2 development process, the whole development process also has a very important part of the work is the maintenance of the database, for the maintenance of a huge information system is very necessary; Leave a simple maintenance

1, open the Command line window #db2cmd 2, open the control center # Db2cmd DB2CC 3. Open Command Editor Db2cmd Db2ce ===== Operations Database Command ===== 4, start the database instance #db2start 5. Stop database instance #db2stop If you can't stop the database because of the active connection, execute DB2 force application all on the db2stop before running the/db2stop force 6. Create a database #db2

"DB2 "SELECT * from Btpoper where brhid= ' 907020000 ' and oprid= ' 0001 '"DB2 "Select OPRID,OPRNM,BRHID,PASSWD from Btpoper" Iv. Delete data from the table: DB2 "Delete from Btpoper"DB2 "Dele