db2 truncate table

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:

Below you will find a table space for DB2 (DB2 certified DB2 Training) in managed form, with examples of related issues for your reference, and if you are interested in managing the DB2 table space, you may want to help.The

The following describes the DB2 update statements used to update records in the same table. This DB2 update statement is for your reference and may help you learn about the DB2 update statements. Two DB2 update statements are used to update other records that meet the condit

Label:1. Open the DB2 command line using Db2cmd2.db2look-d db_name-e-a-x-i db_username-w db_passwd-0 file_name.sql #导出数据库结构3.db2move db_name export-u db_username-p db_passwd #导出数据库数据4. Create database db_name on ' directory_name ' using codeset utf-8 territory US collate using System; # IBM-EUCJP--An encoding format5.create schema sch_name authorization sch_passwd; #设置权限6.DB2 Connect to db_name user usernam

---- Start The DB2 materialized query table MQT (materialized query tables) stores the results of a query. When we query related tables, DB2 automatically determines whether to use the original table or materialized query table. When the database contains massive data, using

1. Create a database [Db2inst1@localhost ~]$ db2set db2codepage=1208 #设置编码 [Db2inst1@localhost ~]$ DB2 CREATE DATABASE WMS Automatic Storage Yes using CodeSet utf-8territory cn pagesize 32768 #创建wm s database Specify the DB2 database installation directory DB2 Create DB xxdb On/app/dbdata using CODEPAGE "GBK" Country "ZH_CN" 2. Export the ixf file of the

In SQL, there are two types of data replication to the original table, in two ways, insert into and select INTO. Detailed instructions: INSERT into From:insert into new table name (column 1, column 2 ...) Select column 1, column 2......from source table name where constraint condition; (This command uses the prerequisite: the target

Method 1 for modifying a column in a DB2 table as an auto-increment primary key) to change a column in the table to auto-increment, run the following command: Alter table The above command is useful online when you change the attributes of a column in a table. 2) When you m

1, export the entire database table structure, methods, stored procedures, etc., execute the script： Db2look–d dbname–e–o db.sql–i username–w Password DB2-TVF Db.sql 2. Export and import of single table data： Export: Db2move dbname export-tn tablename-u db2user-p PSW Import: Db2move dbname import-u db2user-p PSW 3, the database backup, recovery： Backup:

The following article describes how to move data into or out of a database in a DB2 database table, I saw on the relevant website two days ago the actual operation steps for migrating data into or out of the database in the DB2 database table. I thought it was good and I would like to share it with you. After creating

DB2 does not exist in the explain table of the SQL Execution Plan by default. Therefore, you need to create an explain table as needed during use. How can you create it? In fact, DB2 still provides a variety of methods for you to use. The first method is to use the script EXPLAIN. DDL by default, which is created in th

This article describes how to use the DB2DART tool to reduce the high-level mark of tablespaces managed by the DB2 database. The High Level mark (HWM) for the DB2 database management (DMS) tablespace refers to the maximum number of data pages that have been used in the tablespace. If you use: db2listtablespacesshowdetail, you can see that the number of used pages of a DMS tablespace is less This article de

This article discusses six things worth attention during the actual operations of the DB2 temporary table, if you are curious about the six things you should pay attention to during the actual operations of the DB2 temporary table, the following articles will unveil its mystery. Pay special attention to the followin

the lower left corner. Figure 1. New Dynamic forms for DB2 Just above the tmemo control, I placed the textSelect * from, as a small prompt: you only need to specify the table name and the following optionalWhere clause. You can use code to construct SQL statements, retrieve metadata (metadata) to obtain field names, and place these field names in tchecklistbox. The Code is as follows: procedure TD

This article mainly describes the correct operation steps for restoring a table accidentally deleted by DB2. If you are interested in the correct operation steps for restoring a table accidentally deleted by DB2, the following articles will unveil its mysteries. I hope you will gain some benefits after browsing. A test

We describe how to export LOB data using the DB2 table operation technique in the hypothetical way. Suppose there is a table of employee information (USER_INFO. The table contains three fields: employee ID, employee name, and employee ID card copy. Because the size of the employee ID card copy is relatively large, the

Development: Issues related to table creation in DB2 due to abnormal collection Because the table creation statements may be different when using the DB2 database for the first time, the Manual table creation method is used to fill in fields one by one. Check the primary key

Tags: style blog http color io os java ar fileThe shell script is used to export the DB2 database table to a file, and in another blog post, Java code calls the shell script and passes in the parameter implementation DB2 database table export to a file to invoke the script and pass in the parameters through Java code i

The problem that DB2 temporary tables cannot be created is indeed a headache. The following describes how to solve the problem that DB2 temporary tables cannot be created. We hope this will help you learn about DB2 temporary tables. Procedure TXXXForm. lc_procHandleStandard (strpo: string; xPOSEQ: Integer); // HXYADD----24/09/2010 ---- Var StrFieldList: