db2 drop temporary table

1 Before writingSQLTemporary tables, table variables, and CTE are often used. These three have their own advantages in use: 1. Temporary tables: divided into local temporary tables and global temporary tables. 1.1 Local temporary tables starting with # are stored in

Ms SQL Server has two types of local temporary tables and global temporary tables: local temporary tables are only visible in the current session, starting with a symbol # (such as # tablename ); the global temporary table is visible in all sessions and starts with a symbol

How does Mysql delete a temporary table starting with "# SQL -"? Author: skateTime: 2014/09/28 How does Mysql delete a temporary table starting with "# SQL -"? Phenomenon: after re-indexing, the disk space of the Mysql server is almost full. Run the following command to re-create the index: Mysql> alter

When a mysql temporary table is working on a very large table, you may occasionally need to run many queries to obtain a small subset of a large amount of data, instead of running these queries on the entire table, instead, MySQL can find a few required records each time, and it may be faster to select a

Scenario: Temporary table space Full, unable to release The solution is summarized as follows: --1 Create transit temporary table space Create temporary tablespace temp02 Tempfile '/oradata/crpt_temp_tra.dbf ' Size 20G reuse autoextend on next 1M; --2 Modify user

Temporary tables I'm having a lot of trouble debugging the following stored procedures (mostly temporary table operations): CREATE PROCEDURE [C_readtop] @eachrow int=10 as DECLARE @tmpcat varchar (16) CREATE TABLE #tmp_result (arid int,cat2 varchar), title varchar (MB), Upday datetime) DECLARE rt_cursor cursor For the

InSQL Server2000.3Type: 1)Create Table # table_name (field1 type, field2 type ,..........) Insert into # table_name values (..............) Select * from # table_name 2)Create Table tempdb. table_name (field1 type, field2 type ,..........) Insert into # table_name values (..............) Select * from # table_name 3) Select * into # temp from (select * From func) Select * from # temp

1. Creation method: Method 1: Create Table temptablename Or Select [Field 1, Field 2,...,] into temptablename from table Method 2: Create Table Tempdb . Mytemptable (tid int) Note: (1) temporary tables are actually a user table in the database tempdb; (2) temptablename must

SQL Server temporary table Deletion Concerning the deletion of temporary tables, the code for deleting the table is not found on the Internet. It is useless to deal with temporary tables. Finally, I found a blog of a cool man, where I finally found the answer. Now the answe

DB2 Backup recovery A bit of a pit, when the source system and target system path settings are not the same, to manually redirect recovery, this is my first practical operation after the summary of the process, for reference only.First, Issue redirect restore command olddb From "C:\OLDDBbak20150717164847 to"C:newdbREDIRECTWhere OLDDB is the old database, the database name of the backup, NEWDB is the new database name, do not have to be created in adva

on commit preserve rows, while transaction-level temporary tables use on commit delete rows. In usage, session-level data is truncated only when the session ends temporary tables, in addition, the data in the temporary transaction table is truncated, whether it is commit, rollback, or session termination.4. CreateSQL

fromUser_tables where table_name= ' t_temp '; --create temporary table If V_num Execute immediate ' CREATE GLOBAL temporary TABLE t_temp ( COL1 VARCHAR2 (10), COL2 VARCHAR2 (10) On COMMIT delete ROWS '; End If; --insert data Execute immediate ' insert into t_temp values(' ' v_col1 ' ', ' ' ', ' ' v_col2 ' ', ' "') ';

1, Create temporary tableMethod 1:Create Table # temporary table name (Field 1 constraints,Field 2 constraints,.....)Create Table # temporary table name (Field 1 constraints,Field 2 con

@SpidFilter = @ @spid; GoCREATESECURITY POLICY Dbo.sosessionc_spidfilter_policyADDFILTER predicate dbo.fn_spidfilter (spidfilter) ondbo. Sessiontemptable with(state= on); Go STEP3, using memory-optimized staging tables table name substitution : Use dbo. Temp instead of #Temp; You cannot create and delete temporary tables : Remove the Code "CREATE

1. Incorrect deletion operation: -- The temporary table deletion operation is incorrect, because different IFEXISTS (SELECT * FROMsysobjectsWHEREobject_idOBJECT_ID (N [dbo]. [# tempTable]) ANDtypein (NU) BeginDROPTABLE [dbo]. [tempTable] End -- the temporary table deletion operation is incorrect because 1. Incorrect d

') Is Not Null Drop ProcDBO.Prc_getcustomers Go Create ProcDBO.Prc_getcustomers As Set Nocount On; SelectT1.* Into# Prc_getcustomers_t--Generate a record FromDBO.MERs T1, DBO.MERs T2, DBO.MERs T3; Waitfor Delay '00: 00: 30';--Latency30Second observationTempdbSpace Conditions -- Drop table # prc_getcustomers_t; Go --Observe before exe

Temporary tables in MySQL. When you work on a very large table, you may need to run a lot of queries to obtain a small subset of a large amount of data instead of running these queries on the entire table, instead, MySQL may need to run many queries to obtain a small subset of a large amount of data every time it finds a tabl