Alibabacloud.com offers a wide variety of articles about db2 drop temporary table, easily find your db2 drop temporary table information here online.
Drop table # tempcitys Select * into # tempcitys from hy_citys When the preceding statement is run for the first time, it must have encountered an error, but it will not be used for the second time.Because select * into # tempcitys from hy_citys automatically creates a temporary table # tempcitys, the first
Oracle locks the temporary table statistics and whether the hint can be dynamically collected after the lock The statistical information of the global temporary table cannot be collected. If it is collected, its statistical information must be 0, which will lead to inaccurate execution plans. Therefore, the statistical
original table to the new table: Db2 "insert into 5) Delete the original table: Db2 "drop table After this operation, the data in the table
DB2 materialized query table MQT) is a special type of table in the DB2 database. The following describes the knowledge of the materialized query table in DB2 and hopes to help you. 1. Differences between materialized query tables
Create temporary table linshi_table ('id' int (10) unsigned not null auto_increment, 'name' varchar (20) default null, primary key ('id ')); insert into linshi_table (name) values ('firstname'); Update linshi_table set name = 'updatename '; select * From linshi_table; drop table linshi_table; /* The
Compared with Oracle, SQL Server is not intuitive and troublesome in dataset operations. In this case, I want to obtain the dataset returned by Exec sp_executesql @ SQL and traverse the returned dataset. At first, I used a cursor to operate on the returned dataset, but the cursor does not support the dataset returned by Exec sp_executesql @ SQL. So I thought of a temporary table, but soon found that, the
Run the stored procedure, which contains a temporary table. After running, I plan to delete the temporary table report ORA-14452: Anattemptwasmadetocreate, alterordropanindexonte Run the stored procedure, which contains a temporary tabl
declared at table Creation Primary Key, unique, null, check. constraints can be used. They can be added after any time, but cannot have foreign key constraints. Use DDL (index, column) after the table is created) Not Allowed Allowed. Data insertion method Insert Statement (SQL 2000: insert/exec cannot be used ). Insert statement, including insert/exec.Select into statement.
Oracle locks the temporary table statistics and whether the hint can be dynamically collected after the lock The statistical information of the global temporary table cannot be collected. If it is collected, its statistical information must be 0, which will lead to inaccurate execution plans. Therefore, the statistical
Label:1. Create a temporary table spaceCREATE Temporary tablespace test_tempTempfile ' C:\oracle\product\10.1.0\oradata\orcl\test_temp01.dbf 'SIZE 32MAutoextend onNEXT 32M MAXSIZE 2048MEXTENT MANAGEMENT LOCAL;Generally starting from the second step, you can2. Create User table SpaceCREATE tablespace GzjssapceLOGGINGDat
@ I int Declare @ name varchar (50) Declare @ age int -- Declare a cursor Declare c_people cursor For select * from people -- Open the cursor Open c_people -- Create a temporary table Create Table # mypeople (ID int, Name varchar (50 ), Age INT) Set @ I = 1 -- Read data Fetch next from c_people into @ name, @ age While @ fetch_status = 0 Begin -- Dynamically
The performance tuning of SQLServer has an incomparable problem: how to process temporary datasets in a code that requires a long time or frequently called code? Table variables and temporary tables are two options. I remember seeing a lot of temporary problems when I evaluated and tuned SQLServer application performan
A. Select into 1. uses SELECT INTO to automatically generate temporary tables without the need to create SELECT * into #temp the from sysobjects 01. save Stored procedure result set SELECT INTO to Temp table SELECT * FROM #temp 2. if a temporary table with the same name already exists in the current session SELECT
Database table management is a very important part of the database system. The following describes how to write DB2 table management statements for your reference. We hope this will help you learn about DB2 table management. Create a ta
Syntax 1: Create Table # albums ( Artist char (30 ), Album_name char (50 ), Media_type INT) Go You can also use the following command to manually delete the table. Drop table # albums Go The table can also be automatically deleted when the user exits the SQL-SERVER
--Check for temporary tables that have been marked as needing to be deletedSELECT * FROMT_bas_temporarytablename;--Temporary tables and views created by all systemsSELECT * from Sys.tablesWHERE name like ' tmp% '--View the space occupied by all the tables in the systemCREATE TABLE Tmpspace(Fname varchar (50),Frows int,freserved varchar (50),Fdatavarchar (50),Find
oracle| temporary table 1, when the specified temporary table is on commit preserve rows (sessions), in the current session as if you want to drop the table, Oracle prompts: DROP
Today I met a requirement,Is to dynamically create a local temporary table based on logic judgment 1 Declare @ Flag Bit 2 3 Select @ Flag = 1 4 5 -- When @ flag = 1, the type of field a of the 2nd fields in the temporary table is float. 6 7 --
The life cycle of the global temporary table persists until the creation session (not the creation level) terminates. For example, if you create a global temporary table in a stored procedure, the table is not destroyed when the scope of the stored procedure is exceeded. Whe
Tags: DB2 using redirection to recover data and modify table space sizeBackup a DB2 database and restore redirect it to a different location[[Email protected] ~]$ DB2 backup DB erpdb to/home/db2inst1/backups[Email protected]primarynode-1 ~]$ SCP erpdb.0.db2inst1.node0000.catn0000.20170511104723.001 172.16.0.77:/home/d
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
