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I have been using MySQL for my school projects, personal web site for years.
My company is using MySQL in all web projects as well.
Now I am thinking to pay for some classes to learn another new Database system, but
I have no idea whether I shall choose MS SQL Server 2008 or Oracle 11g.
I hope to find a better job with high paid salary.
I need some advice and suggestions.
Unless Oracle is giving away downloads of 11G for you to learn on, I'd say that Oracle will be a pricey path to take. They don't list prices that I can see on the web site. (Maybe I didn't look hard enough.) Oracle DBA certification is another expensive proposition. I think it's rigorous, so it might be worth having, but it'll cost you in courses and test fees.
SQL Server won't cost as much. You can download Express for free. I'm sure it won't help you with all the enterprise features that will be missing.
if you are a java developer i think Oracle 11g is better,
or if you are a .net developer ms sql would be a better choice.
Both MS SQL and Oracle has "express editions" which are somewhat restricted, but free versions that you can try at home. Pick the one you like the most.
The salary will depend more on how good you are than the system you pick (why not both?).
You certainly should not pay in order to learn a new database system. You can get a free version of MS SQL Server Express together with Management Studio on the web. There are loads and loads of materials and tutorials on the web on MS SQL Server. I bet the same can be said about Oracle. In general, go out there and explore the web, it's a much better way to learn than paying for some courses, which might not give you what you need.
It can also depend on your area and what you are trying to get into. It seems like certain segments of the business world use MSSQL or Oracle exclusively. I would say that MSSQL is easier to get into but that's just opinion. Overall it seems like there's more MSSQL jobs but the oracle jobs pay a little better...but again that's a very person experience. I don't think you'd go wrong with either direction. I would agree with the others though that you should just download the free versions and play around a little and see which ones catches your attention more and go from there.
Let's revert roles. I ask the question and you answer.
My question to you is "Should I learn to drive a Ford or should I learn to drive a chevy".
The answer is the same because the question is the same, the tiny and irrelevant difference of problem domain notwithstanding.
You should learn oracle as oracle is bitter complex to learn where as SQL Servers is easy becoz of GUI..once you hands on with oracle,,it is easier to learn SQL Server.As a DBA you should have the knowledge of both the DBses...expertise in oracle and minor knowledge of sql server...
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I'm in a database class. We're learning about joins, unions, and projections.
Is there a program that would be helpful in getting practice? Like I an expression and it selects the appropriate fields in a table.
Please don't bother downloading and trying to install a server DBMS (plus one or more clients) for this simple task. If you're taking a course in being a database administrator you might want to spend hours learning these technologies (and, if you go on to work with these products seriously you will, eventually, need to master some of them), but if you just want to practice SQL queries, there are sites that let you do just this.
You can find some nice on-line exercises here: http://sqlzoo.net/.
MySql is easy to use and free so that would be my choice. The community server is the one you want to download.
http://www.mysql.com/
I would recommend getting the Workbench tool as well to make this easier to create tables and mess around with them.
Download and install Microsoft SQL Server 2008 R2 Express, with Management Tools. Has everything you need to get started and it's 100% free.
You can get it here: http://www.microsoft.com/sqlserver/en/us/editions/express.aspx
Or if you are willing to part with $50, you can buy SQL Server 2008 R2 Developer Edition (full enterprise/data center edition, just with licensing restricting only to development, testing, and demoing) to do some really cool stuff.
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I'd like to know if there is some open source web front-end for databases.
I'd like something where queries can be executed from a web browser, only read-only queries are fine. If possible it would be great to be able to select with a gui the columns that are displayed as the result of the query.
As several people asked me, I use Oracle. I'd prefer open source to be able to customize if needed.
For MySQL, phpMyAdmin is the only open source tool I'm aware of. I'm not sure about other types of databases.
I've used one called myLittleAdmin for SQL Server, but it's a closed-source paid product. Probably not going to be much help there.
MySQL has phpMyAdmin, which is quite good.
For Oracle and SQL Server there's Maestro.
It depends on wich database you are going to use, i have used phpMyAdmin before and it is really nice.
phpMyAdmin is a free software tool written in PHP intended to handle the administration of MySQL over the World Wide Web. phpMyAdmin supports a wide range of operations with MySQL. The most frequently used operations are supported by the user interface (managing databases, tables, fields, relations, indexes, users, permissions, etc), while you still have the ability to directly execute any SQL statement.
We use DBHawk from Datasparc. It has many features such as web based query builder, editor, SQL report builder etc. It is not open source, but Datasparc provides customization based on your needs. We are using it for our support team where we need to access many SQL Server/Oracle databases through a browser.
For a PHP/MySQL standard setup, I've found SQLBuddy to be a great (and free) little utility. It's really simple, has almost no install, and it is friendly to use. phpMyAdmin can be a bit overkill for some people especially if you're just messing around with the database and wanna check if your entries were inserted. Check it out.
Not good for you if you're using Oracle but as well as phpMyAdmin, there is also phpPgAdmin for us folks who use Postgres.
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Wondering what is the best or most popular database client tool. Similar to Microsoft's SQL management studio, but one that can work with various databases. Other tools I have found are:
Toad for SQL Server
Database fishing tool
Apex SQL Studio
Some of these tools can even compare and sync database schema's and some cases the data itself as well. Very useful when deploying applications for example from a pre-production environment to production environment.
So what's your favourite database manager ? Maybe there is a nice open source tool out there that is well rounded with the most useful features.
SQuirreL SQL
Open source
Works with many databases
SqlDbx - www.sqldbx.com - has a free edition, is portable and works with quite a few dbs.
Also AnySQL Maestro - http://www.sqlmaestro.com/products/anysql/maestro/
I use PL/SQL Developer, as soon as I have to work on an Oracle Database. I like the UI, simple and fast.
I'm using Aqua Data Studio for many years now and it is the most valuable of all my tools - see Aquafold
I use Navicat myself. It supports MySQL, PostgreSQL and Oracle.
SQL Developer is nice for Oracle and has plugins for several other databases.
http://www.oracle.com/technology/products/database/sql_developer/index.html
Eclipse Data Tools Platform within Eclipse (my primary IDE):
Open source, works with many databases
Do all the basics and some advanced stuff. In recent versions you can find some kind of visual query builder as well.
Oracle has a plugin where implemented some Oracle-specific functions.
If you are using PostgreSQL (and, really, you should be!), PgAdmin rocks. It lets you query, explore tables, do administrative tasks, manage users, visually explain complex queries, graphically build queries and much more. It runs on Windows, Linux and OS X and can connect to local or remote PostgreSQL servers.
DbVisualizer - there's a free version with a bit limited functionality and a fully fledged one for $149.
If your're using MS Sql Server, try using LinqPad; it's much more lightweight than the Management Studio, and you'll be practicing writing queries in linq in the meantime as well.
(source: linqpad.net)
I prefer...
PL/SQL Developer for Oracle
The inbuilt tool for MSSQL
The inbuilt tool for DB2
RazorSQL - it works with pretty much any database you can think of.
Any comments on LyteRAD? Not a pure database management tool, but good for creating and prototyping db apps quickly.
I've used Query Express and it's great because it's actually a standalone 100 KB file, no installation needed. It only does querying but it's fast and free.
SQLyog for MySQL.
TOAD for when I worked with Oracle.
If you need data comparison, schema comparison or visual query builder, than you should take a look at our database tools for SQL Server:
dbForge Schema Compare for SQL Server
dbForge Data Compare for SQL Server
dbForge Query Builder for SQL Server
All these tools are quite affordable and have 30-days trial period.
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I'm just looking for a management tool like TOAD for Postgres. Anyone used a good one?
Edit - I work mostly within the data itself and the database already has a mature model/design. I use the edit windows the most (well, in TOAD for Oracle anyway.)
As far as I know, Toad only exists naturally for: Oracle, MS SQL, DB2 and MySQL...
--JS
Doesn't TOAD exist for several plattforms?
I'm using pgAdmin III which fills my needs so far.
http://www.pgadmin.org/
Not sure if TOAD for specific DB versions is any different than TOAD for Data Modeler, but it appears that TOAD Data Modeler supports PostgreSQL, along with a few others.
If you're looking for something like SQL Server Management Studio, but for Postgres, how about EMS SQL Manager or Lightning Admin?
See the wiki: http://wiki.postgresql.org/wiki/Community_Guide_to_PostgreSQL_GUI_Tools
TOra has some nice features and is supposed to be a lot like TOAD. Also, it is completely GPL so you can change the code yourself.
BTW: Toad is not OpenSource and is now only trialware (must re-install every 120 days). TOra is OpenSource so you don't have those issues.
I've used Navicat fairly extensively and successfully but only on a Mac. It has a Windows implementation that is, as far as I know, more feature rich than the Mac implementation.
I've had the odd data typing issue with it but, if you are not doing data modelling, that may not be an issue for you
Because you do not need to edit the database design, I suggest SQL Workbench/J. It is Java application. You can use GUI mode (which I prefer to) and console mode (if you like psql-like command console).
I use this app much more than pgAdmin III or pgAdmin 4 because it helps me to ease monitoring the database activity, deploying new version of DB app, etc.
Navicat for PostgreSQL is working really well for me natively.
I set up phppgAdmin for the teams general use and it has been quite valuea
ble
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I want to query a number of different databases mainly Oracle and Informix.
Can anyone suggest me some tool using which I can do this easily?
Try WinSQL lite at http://www.indus-soft.com/SynametricsWebApp/WinSQL.jsp. It is absolutely free and does not expire. It is only one file and does not come with any bulky DLLs. If you don't like it, simply delete the file from your hard drive.
An introduction about how to use it against an informix database can be found in this article.
I use and love DbVisualizer.
I like SQuirreL SQL Client. It's cross platform and database independent, and quite handy.
As a previous answer stated, WinSQL is one of the best "generic" sql query programs, although it is far from perfect. Generally speaking, the programs dedicated to a particular sql product are better (usually 3rd party products, not written by the SQL vendor). TOAD is a great program for Oracle (originally written by an Oracle employee in his spare time before being bought by Quest). TOAD has become a little bloated of recent versions, but is still a fantastic product. I think there are versions of TOAD for MySQL and maybe one or two others, however, the Oracle version is by far the best. When I last used Informix (2004) there was a reasonable 3rd party Java program whose name escapes me for the moment. The standard tools that come with Informix are from the dark ages (I used the Unix utilities that look a bit like DOS versions of Lotus 123), so anything else is better. I used WinSQL with Informix with great success.
The best alround one is TOAD
#littlegeek: Toad is not available for Informix. Additionally, the OP seems to want a single program that can query several different brands of DBMS, and you have to buy a different version of Toad for every DBMS you want to use it with.
Informix is not very well supported among third party database tool vendors.
Interestingly, Oracle' SQL Developer supports browsing (and converting to oracle) several databases, including SQL Server and MySQL.
Try the following:
Query Express (single 100KB executable, no install)
Query ExPlus (improved Query Express)
There is several options on this page: http://freewarehome.com/index.html?http%3A//freewarehome.com/bx/index.php%3Faction%3Dvthread%26forum%3D8%26topic%3D7136
GenDAT is not bad, but I am biased as I did write it ! It has been voted highly though.
I need cross platform now so I use Oracle SQL Developer which I think is great. It can handle other databases not just Oracle. Another good one (cross platform) is DB Solo.
I like Aqua Data Studio from Aquafold. It supports all of the major database players as well as some of the less including Informix. Great features like code beautification and syntax highlighting are perks.
We use Aqua Data
I have used Query Tool for years http://www.gpoulose.com/
It is lightwight and gets the job done.
However, I will also investigate some of the other ones listed here. Must say that SQLDeveloper and Toad are too bloated for my needs. I work on many different systems in any day, all at different clients with different security and down to very low-end machines. Having one simple tool and good SQL chops goes a long way!
I also would like to note that because I am installing it on new servers constantly, it needs to be free, or have an unlimited machine license. I'd be happy to pay for my own use of the tool, but need to be able to install it over and over again.