db2 truncate table

ASSM level Three bitmap can be said to be the basic skills of DBA knowledge, here with the test method to verify the next level three bitmap principle. 1. The tables needed to establish the experimental environment Sql> create tablespace A1 datafile '/oracle/app/oracle/oradata/ora11/a1.dbf ' size 20m;Tablespace created.Sql> create user A1 identified by A1 default Tablespace A1;User created.Sql> Grant DBA to A1;Grant succeeded.Sql> Connect A1/A1Connected.Sql> CREATE

Tags: file io2014artfor cti Select--' select * from ', Table_schema, '. ', table_name, ' into outfile '/work/opdir/repair '--concat (' UNION All-- Select COUNT (1) as Count_, ' ', Table_schema, '. ', table_name, ' as Tbname from ', Table_schema, '. ', TABLE_NAME, ' )--As Sql_concat (' select * from ', Table_schema, '. ", TABLE_NAME, ' into outfile '/work/opdir/repair/', Table_schema, '. ', table_name, '. TSV '; Truncate

At the same point, using drop Delete truncate will delete the contents of the tableDROP table NameDelete from table name (followed by the where statement, and all data in the table is also deleted)TRUNCATE TABLE nameDifferenceFirs

MySQL Tutorial clear table truncate and delete differences This article demonstrates how to use the truncate command, and the difference between delete and truncateHere's a list of all the data instances that are deleted from a MySQL table. TRUNCATE

Standby Library Open Flashback database#关闭备库的同步SQL> alter database recover managed standby database cancel;Database altered.SQL> select flashback_on from v$database;FLASHBACK_ON------------------NOSQL> alter database flashback on;Database altered.SQL> select flashback_on from v$database;FLASHBACK_ON------------------YESSQL> alter database recover managed standby database using current logfile disconnect;Database altered.View sync status, archive for real-time application of Master Library#主库上执行S

DB2 obtains detailed information about the current user table, field, index, and so on. db2 current user Obtain detailed information about all tables, fields, and indexes. SELECT d. name tbName, COALESCE (d. remarks, '') tbDesc,. name columnName,. coltype columnType, decode (. nulls, 'y', '1', '0') notNull, decode (. identity, 'y', '1', '0') auto,. longlength w

How to recover the Delete/update data Operation Steps 1 db connected to the deleted database Open Log Explorer Select "File"-> "Attach log File"-> Select server and login mode-> "Connect"-> Select "Database"-> "Attach" 2 View Log In the dialog box on the left action item, select the Browse item-> "View Log"-> to see the current log record. 3 Recovery dataRight-click a log record, select "Undo Transation"-> "Choose Save file name and path"-> then open the file to Query Analyzer to performT-SQL co

Tags: perform trunc row store cut replace exec cal BSP ACLI. Create a stored procedure under INS user Second, Mobapp user empowerment: Execute the permissions of the stored procedure Third, the Odso_insert user executes the stored procedure, can truncate the table View Odso_insert user-owned permissions I. Create a stored procedure under INS user 1 2 3 4 5 6 7 createorreplace procedure

Get ready:To say that truncate table is going to have to talk about the delete all two of them can be used to delete data rows from the table! On the face of it, delete deleted slowly, TRUNCATE TABLEFaster,Delete:It is an honest line of deleted data, write logs, and the data it deletes can be recovered through the log.

Create a role tableCREATE TABLE Nbctxp. Tbl_nbc_nonbankrole (ID BIGINT not NULL,ROLENAME VARCHAR (50),Createtime TIMESTAMP,UpdateTime TIMESTAMP,CONSTRAINT p_id PRIMARY KEY (ID));CREATE INDEX SQL150130091455900 on NBCTXP. Tbl_nbc_nonbankrole (ID);Let the primary key increment by 1Alter table Nbctxp. Tbl_nbc_nonbankrole ALTER column ID set generated always as identity (start with 1,increment by 1)Create an in

It is very easy to create a table in DB2. But how can I create a table with an auto-incrementing column? The following describes how to create an auto-incrementing table in DB2 for your reference. Create table test (id intege

records of the result set, and then limit b.latn_id is null (assuming B itself record latn_id is not empty) should actually use B.PRD_INST_ID is null (association field)You can get the records in table B that do not have a table prd_inst_id, that is, a is not in table B.All of the above is a table is not in

DB2 Alter Table introduction and use of normal Table modification and creation, you need to consider the following two situations: 1. when data is stored in a table, you can only modify the Data Type of the column to a compatible data type, or keep the original data type unchanged, the length is reduced (cannot be smal

Postgresql queries the DB2 \ Oracle table through the fdw_JDBC connection1. Search for the libjvm. so common library[Root @ db2 jdbc_fdw-1.0.0] # locate libjvm. so/Opt/IBM/tsamp/sam/java/jre/bin/classic/libjvm. so/Opt/IBM/tsamp/sam/java/jre/bin/j9vm/libjvm. so/Opt/ibm/db2/V9.7/itma/JRE/lx8266/bin/classic/libjvm. so/Opt

First, send redirect Restore commandDB2 RESTORE DB olddb from ' C:\OLDDBbak ' taken at 20150717164847 to ' C: ' Into newdb REDIRECTWhere, OLDDB is the old database, the database name of the backup, NEWDB is the new database name, do not have to create in advance, C:\OLDDBbak is the directory where the backup files are placed, 20150717164847 isThe timestamp of the backup file, depending on the name of the backup file Olddb.0.db2.node0000.catn0000.20150

How can I avoid an error when executing SQL statements in DB2? This is a problem that many people have mentioned. The following describes how to execute SQL statements in DB2 and export table records for your reference. When writing DB2 SQL statements on the console, many people habitually press enter to wrap the line,

Tags:. com technology image SEQ com src Pre Direct divT1 table SEQ Table Want the result set to be: Statement: SELECT * from (SELECT * fromseq,t1) U Left JOINT1 onU.id=T1.id andU.jjh=T1.jjh andU.num>=T1.begin_num andU.numT1.end_numWHERET1.id is not NULL Description SEQ,T1 multiply the table set by multiplying the rows and columns. SEQ, all rows correspond t

I have encountered a similar problem. I have read a detailed article to share it with you and express my gratitude to the author of the original article. The content of the post is as follows: How to adjust the table space size in DB2 After receiving a call from the customer, the program keeps reporting errors, and all services cannot be done. Copy a log of the Application Server (WebLogic). The log shows:

We often see DB2 table join operations. The following describes the principle of DB2 table join in detail. If you are interested in this, take a look. In DB2, the optimizer can select nested connections or merge connections. If correct, you can also select hash connections.

We believe that you are familiar with the DB2 table modification operation. The following describes some examples of DB2 table modification for your reference. DB2 Modify TableUse the alter table statement to change column attribu