db2 rename table

If you want to create a table with a known table structure in db2, you can use: (1) create table a as select * from B where 1 (2) create table a as select * from B ---- create table a, and copy the data in

This article calls the shell script through Java code and passes in the parameter implementation DB2 the database table exports to the file, the code is as follows:Import Java.io.file;import java.io.ioexception;import java.io.inputstreamreader;import java.io.LineNumberReader; Import Java.util.HashMap; Import Org.slf4j.logger;import org.slf4j.LoggerFactory; Import Com.*.dmp.bean.agentconfiginfo;import com.*.

The following articles mainly introduce the DB2 database lock table problem. In actual operations, if the center queries data, pay attention to it. If interactive data query is used, the command center will apply the s lock to the queried records. at this time, if you want to update the record, because update requires the x lock, the exclusive lock will be in the lock wait. First, enable the monitoring swi

Label:ORACLE : --Time Turn string To_char (sysdate, ' Yyyymmddhh24miss ') --String Turn time Select To_date (' 20140701125751 ', ' Yyyymmddhh24miss ') from dual--2014-07-01 12:57:51 --Query table SELECT * FROM all_tables WHERE table_name = ' {0} ' --Query column SELECT Aa.table_name as Tableename, Aa.column_name as ColName, NVL (Bb.comments, aa.column_name) as Coldesc From ( SELECT TABLE_NAME, COLUMN_NAME, Comments From All_col_comments WHERE table_na

How to obtain the details of a user table in DB2 1. Get the User Name of the current user SELECT CURRENT SCHEMA FROM SYSIBM.SYSDUMMY1 2. Obtain the names of all tables under a user. Select creator, TYPE, NAME, remarks from sysibm. Variables Ables where type = 'T' and creator = 'username' -- case sensitive 3. Obtain the details of a table under the current user.

---- Start Temporary tables are usually used to define temporary sets. However, when most temporary sets are required, we do not need to define temporary tables. When we use only one temporary set in an SQL statement, we can useNested table expressionsTo define a temporary set. When we need to use the same temporary set multiple times in an SQL statement, we can useCommon table expressionsThe temporary

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; EXECUTEI

Db2 import and export table data 1. export the DEL Text File export to D: \ t_testtable2012121_del of del select * from T_TESTTABLE @ www.2cto.com 2. export the ixf text file. the ixf file contains the table structure. The db2 database information export to D: \ t_testtable2012121_ixf of ixf select * from T_TESTTABLE @

When using DB2 databases, it is inevitable to insert special characters into table fields. This article will show you how to insert special characters into DB2 database tables for your reference, hope to help you,1. Insert the character @ # (single reference)Insert into DB2ADMIN. aaaa values (@#@#@#@#);Insert into DB2ADMIN. aaaa values (# A ######## B @#);2. Inse

Merge into Table1 t1 Using (select Column1, column2 from table2) T2 On t1.column1 = T2.column1 When matched then update set t1.column2 = T2.column2 When not matched then insert values (COLUMN1,COLUMN2) The above is to insert or update the data in the table2 into the Table1. But for developers, we're working with a single record to determine whether this data is an insert or an update. The treatment for DB2 is as follows: Merge into Table1 t1us

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 e

DB2 alter: Add/delete/Reset Column 1. Add Fields Alter table [table_name] add [column_name] [column_type] 2. Change the field type Alter table [table_name] alter column [column_name] Set Data Type [column_type] Note: There are restrictions on changing the field type. For example, you can change the field to be larger than the previous type length. to change

Db2 xml to table Version: DB2 Version 9.1 1. Create a test table and initialize data create table emp (doc XML);INSERT INTO EMP VALUES (' 2. Use the xmltable method to convert xml format data to a temporary table ?SELECT X.* FROM

match the pagesize of the table. Then, the maintenance personnel can use the statements used to create the table space in the original DB2 to refer to creating their own new table space. Use db2look-d $ dbname-l-e-x-o $ db. Layout In this way, you can view dB. layout to copy some parameters of the originally create

From: http://www.db2china.net/club/archiver/tid-10129.html Reference: ---- view the number of locks in the table in the sample database Select tabschema, tabname, count (*) as number_of_locks_held from sysibmadm. locks_held -- where db_name = 'sample' group by dbpartitionnum, tabschema, tabname ---- query database lock table information DB2 "select agent_id, tab

Issue: In the DB2 database, if you modify the structure of the table, you need to do a reorg operation on the table to get the table state back to normal. A: There are 4 kinds of operations, you need to do reorg operation of the table 1.) SET DATA TYPE Altered-data-type How

Student.rowid rd,student1.name, Student1.id from Student1,student where student1.int_id =student.int_id) tmp where STUDENT.ROWID=TMP.RD) ; commit; 3. Update Test_a a set (a.name,a.age) = (select B.name,b.age from Test_b b where a.id = b.ID) where exists (SELECT * from Test _b C where c.id=a.id) 4. UPDATE t_a SET djrq= (SELECT djrq from t_b WHERE t_a.id = t_b.id wher E ROWNUM = 1) where t_a.id in (SELECT ID from t_b WHERE jwh= ' xx village ') 5. Update TBL1 a set (A.col1, a.col2) = (select B.co

1. SQL query (choose Schema as Sysproc)SELECTSUBSTR (Tablespace_name,1, -) asTbspc_name,bigint(total_pages*Page_size)/1024x768/1024x768 as"Total (MB)", Used_pages*Page_size/1024x768/1024x768 as"Used (MB)", Free_pages*Page_size/1024x768/1024x768 as"Free (MB)" from TABLE(Snapshot_tbs_cfg ('FJDC2',-2)) asSnapshot_tbs_cfg2. Stored procedure query (choose Schema as Sysproc)DB2 Call Ge

Oliver_01 VALUES (5, 'C', 100000000, 'OINSERT into Oliver_01 VALUES (6, 'A1', NULL, 'OINSERT into Oliver_01 VALUES (7, 'A2', NULL, 'OINSERT into oliver_01 VALUES (8, 'B1', NULL, 'OINSERT into Oliver_01 VALUES (9, 'B2', NULL, 'OINSERT into Oliver_01 VALUES (10, 'A1', 30000001, 'O‘);Third Step: Query resultsSelect T.*, (select RES from Oliver_map awhere (A.com_type was null or A.com_type=t.com_type) and (a.sr_up is null or A.SR_UP >=T.SR) and (A.sr_lim is NULL OR a.sr_limOLIVER_01

[]". " Tm_seat_condition_seq "to ROLE" r_updseat_[] ";GRANT USAGE on SEQUENCE "seat_[]". " Tm_seat_condition_seq "to ROLE" r_selseat_[] ";COMMENT on COLUMN seat_[]. Tm_seat_condition. CON_ID is ' primary key ';COMMENT on COLUMN seat_[]. Tm_seat_condition. AIRLINE is ' airline ';COMMENT on COLUMN seat_[]. Tm_seat_condition. Flt_reg is ' aircraft registration number ';COMMENT on COLUMN seat_[]. Tm_seat_condition. Seats is ' bad seat number, separated by commas ';COMMENT on COLUMN seat_[]. Tm_seat_