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PostgreSQL: How does the implicit index work when using “COPY” for loading bulk rows into a newly created table?

What I know for fast loading bulk rows into a new table is: Create the table(without creating the index) Use "COPY" to load data from a file into the table Create the index What if I added a ...
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1answer
30 views

I need to copy data from remote Postgres server that has limited disk space and limited connectivity to a server

I have a remote Postgres server recording some data every second. the server has very less space like 6-7 GB, currently I write data to a remote VM server but due to poor connectivity the applications ...
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3answers
84 views

SQL Server: unable to copy database

I'm trying to create a dev database so I don't create triggers and such on the production database. I use the right click -> Taks -> Copy, followed the wizard and the process starts. After maybe a ...
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1answer
33 views

Save dataset within another table best practice

I want to save one dataset within another table, this dataset should be persistent. For example Table1: FIELDS (A,B,C) Table2: FIELDS (D, DuplicateTable1) I can think of 2 possiblities: Have ...
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0answers
21 views

What's the best way of using the same data across different tables?

I was wondering, is there a good/best practice for using the same data in multiple tables? For a web app I'm building, a user creates an inventory of their property; creating rooms and then items ...
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0answers
68 views

How to copy a subset of SQL objects across databases within a transaction?

We already have a .dtsx package to copy a subset of tables (about 20) from one database to another (at least once in every month). It is using "Transfer SQL Server Objects Task". However this does not ...
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2answers
79 views

SQL Server 2008 - How to schedule a copy of view to another database?

I am a Sharepoint admin and need to copy the log data in database to another temp database for analysis. The data is stored in a view ([WSS_Logging].[dbo].[RequestUsage]). There is a column [LogTime] ...
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2answers
431 views

Does a MyISAM table locks if I copy it while MySQL is running? (READ DISCLAIMER)

DISCLAIMER: I'm very aware this is not supposed to be done, but time consistency between tables aren't a concert here and Im trying whatever pops in my mind right now to have alternatives for ...
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28 views

How to write a simple application for copying a MySQL database for periodical backup

I want to use MySQL for my Java application as a database engine. I have two different applications that must be run on two separate computer networks. The first program saves the data in the ...
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1answer
630 views

What is a good way to copy data from one Cassandra ColumnFamily to another on the same Keyspace (like SQL's INSERT INTO)?

Trying to find a way to easily transfer all the rows from a Cassandra ColumnFamily/Table to another. The COPY command, as I understand, is a good option. However, as it dumps all the data to .csv on ...