I'm looking for a (GUI) tool that helps me converting various data formats (mostly RDF, JSON and CSV) into a PostgreSQL database.
Is there any nice tool that helps me defining the table schema for the files I want to import (and interlink) and to import the data?
One. You can try to link the tables in Microsoft Access with pgODBC
2nd. You can import files. Csv into Access and run commands Insert
3rd. Click the file through Access to Export and choose the PostgreSQL ODBC source you want.
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How to import dbf file to mysql without using any paid tools ? or else using any stored procedure we can import the data from dbf file to MYSQL ?
Actually it is easy and possible. In case of Linux you should already have Open Office installed and you can download it from http://www.openoffice.org/download/index.html for free and install on you computer with Mac OS X or any Windows operating system.
Open Calc can simply open dbf file and save as CSV.
You have to create a table with fields related to CSV and run some import procedure like described here MySQL LOAD DATA LOCAL INFILE only imports a single row
There are many challenges related to type of data, length of data, escaping some characters but those are beyond such short answer and would require insight into actual data. I prefer to transform CSV in editor to SQL INSERT command to avoid some pitfalls and limitations.
Get the description of dbf files (wotsit.org ...), write a small program interpreting the header of the dbf to write a fixed length record (really easy, because DBF files ARE - beside the header - fixed length records) or a comma delimited file and import this to any DB you want.
I have database .DMP file.
How can I find its respective database and if I can import it using any of the database whether it is MySQL or Oracle
If by .DMP file you mean an Oracle export produced by Oracle's exp utility then you cannot use it with any other DBMS. It is an Oracle proprietary format.
But having re-read your question I gather you don't even know what database produced your file. In that case I think you're probably out of luck. You see, .DMP is just a convention, it's not a naming standard. You could trying strings against it: that might give you enough information to tell what database it came from, but the chances are you will only be able to import it into the same database.
One exception is if it is a MySQL dump, as that produces a text file of SQL statements. So you could import that into another flavour of database, although you would probably need to translate the SQL commands into the different dialect,
I have to make some queries on several Excel sheets and I think it would be easier if I can put them on a DB and make the queries with SQL.
Is there a tool that creates SQL tables from a CSV file with headers?
MySQL has functions built in to load data from CSV files. This is probably your best option and one that gives you the most control.
Have a look at Data Import tool (Excel, CSV or TEXT formats) in dbForge Studio for MySQL. Import allows to create new table and customize fields in a wizard.
I created a website using liferay with some sample pages. Later we wanted to import some 23000 users into liferay. The data is in csv format.
I dont know java. tried to insert data using C#.net and liferay webservices. No luck. So i changed the settings to point to Sql Server.
Now all the data I created for the sample site is residing in the Hypersonic DB.
Is there any way to copy the data to sql server?
The simplest way would be to gather all your table data from HSQLDB into .CSV format.
If you can use your original .csv file, that's great. If needed, you'll need to find a way to get your data from HSQLDB into a text file. You may have a tool already that you know of. Perhaps you could use RazorSQL's Export Tool. (screenshot).
Then you can import .csv to SQL Server using the SQL Server Management Studio Import Wizard. The screenshots are a bit out of date, but you'll have no trouble figuring it out.
how to import MySQL tables and records to MS-SQL?
i've been trying to copy the MySQL scripts and then pasting it to MS-SQL query board but it always threw an error.
Have you tried the Import & Export tool DTSWizard.exe which is installed on your machine by MS Sql Server? See here:
http://msdn.microsoft.com/en-en/library/ms141209.aspx
I think you will have to export your MySQL data into a CSV file, then import that CSV file into MS-SQL. I'm not familiar with MS-SQL, but the two RDBM's might have different data types for example, so you might be hard pressed to find a tool to convert a mysqldump file to MS-SQL format.
You can use Import&Export Wizard or MS SQL Integration Services.
You can use DTS to do this.