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Closed 10 years ago.
I am looking for a simple tool to draw up my database in. I know that i saw one that was made in C# on Codeproject but i can't find that one.
I just need to be able to visually draw my tables and relations for MS SQLServer 2008.
I would suggest SQL Power Architect for the following reasons (from the official feature list):
Accesses source databases via JDBC
Connects to multiple source databases concurrently
Compares data models & database structures and identifies discrepancies
Drag-and-drop source tables & columns into the playpen
Remembers the origin of each column
Generates source-to-target visual Mapping Reports
Forward/reverse engineers PostgreSQL, Oracle, MS SQL Server & more
Saves source data structure snapshots in the project, so you can work remotely
All project data is stored in an easy-to-parse XML format
OLAP schema modeling: Cubes, Measures, Dimensions, Hierarchies & Levels
GPL (version 3) licensed
...and a couple reasons of my own:
runs on basically any platform
has fairly nice keyboard support for fast model development
relatively useful diagram auto-layout
Why would you not want to use the built-in Data Diagrammer?
If you just want to draw your tables, have a look at Dia. In the Links section you find some tools that convert the drawing into SQL.
Related
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Closed 10 years ago.
i'm looking for good books and tutorials
about writing complex stored procedures along with common tricks and best practices
commonly used by DBAs.
all i usually find is the basic SQL Statement tutorials ,
what i need are some good examples of Complex Data Selection
along with common tricks of how to correctly and efficiently filter data
for selection between multiple tables .
i release this is hard to find , because Complex DB's are usually built
only in large projects and not for tutorials , but for the least i would like to find commonly used method applied by DBAs
thanks in advance.
You can use below site for download Ebook about SQL server complex stored procedure :
1- COMPLEX STORED PROCEDURE IN SQL
2- STORED PROCEDURES
3- Google Ebook
There are lots of site but I find This site is very helpful for my SQL Server learning. It is very informative site for database developers. If you want to read books then probably you can pick on from Microsoft press.
You should look at The Guru's Guide To Transact SQL by Ken Henderson, a bit old, but probably still the best book about T-SQL :)
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Closed 10 years ago.
I am designing a survey tool which users can use to build their surveys or polls etc. So a basic survey tool needs to allow users to design a questions , upload files , login , register , share the survey, notify and set activation of survey constraints.
I did some study to take decision to use which kind of database at backend, either sql or nosql.
I have experience of designing only Relational database so I a unable to take into consideration IF Mongo DB or some other Nosql database will satisfy my Web tool requirements.
Please give me suggestion along with reason how to select database type for my Web tool.
Thanks
If you have time to learn new technology I suggest you to choose Nosql database. I prefer MongoDB but you can choose any other. In survey application, each survey will have different fields and it will be hard to handle it using Relational database. Schema-free database will help you to handle it easily.
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Closed 10 years ago.
I am creating a database and I need to create some tables.
I would like to know which software do you use or recommend (preferably free) to generate SQL code from ER diagram.
Not free, but effective: Microsoft Visio.
It has a nice template for ER diagrams complete with relationships, primary key information, etc. I believe that it can both generate the schema in the database as well as create the diagram by pointing it at a database.
We've used Case Studio 2 for years to model a fairly complex schema - it's pretty good. We use it to create scripts for MySQL, Oracle and SQL Server. It is now called Toad Data Modeller: https://www.quest.com/products/toad-data-modeler/ There's a freeware version (not sure how this differs from the paid-for licenced version though)
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Closed 11 years ago.
Why do some frameworks (like CakePHP, Kohana, Zend, Django, less - Rails) create some kind of SQL abstractions instead of a raw SQL database access? E.g. why do we need to make some perversions instead of a usual queries?
UPD: are there any SQL-injection reasons of this purpose?
Basically a good abstraction layer makes it easier for the developer to use a database, and not care what what and which kind of database he is connecting to, thus speeding up the development process.
Check out http://en.wikipedia.org/wiki/Database_abstraction_layer, the most common pros and cons are listed here.
Thats called abstraction. Usually its done to be db specific indipendent.
Sql will be built based on the db type of the connection..
There are two main reasons.
Database Indepence
The code can be applied to different databases. MySQL, MS SQL-SERVER, ORACLE. And with a little wrangling to other DBs using OBDC like MSAccess, or CSV files.
Separation of Database Code with Business Logic
Most frameworks follow this model: http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller
It's primarily an attempt to reduce what's known as the impedance mismatch between the relational storage of the database and the domain model within your application. Without the ORM you often find yourself writing "left hand right hand" code modelobject.property = reader["field] where you're mapping values from the storage format you've received from the database into your model.
In summary, hopefully the ORM allows you to concentrate on solving the business problems without having to worry about all of the plumbing. We're not there yet but we're getting close.
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Closed 11 years ago.
here's the job description:
Experience with data mapping/extracts tools such as Monarch and VorteXML.
Familiarity with XML documents and schemas.
Minimum 1-3 years of data analysis in SQL Server environment.
Working knowledge of TSQL and SQL Server 2000 tools such as Enterprise Manager, SQL Query Analyzer, Profiler, DTS and BCP.
Working knowledge of SQL Server Reporting Services design and administration.
BSCS or other technical degree.
Healthcare background strongly preferred.
Strong organizational and communication skills.
Strong analytical thinking, troubleshooting and ability to manage multiple, concurrent projects.
Ability to meet deadlines while working in a fast-paced environment.
what is an XML schema? ive extracted data programmatically from XML files, but i dont understand what they mean by schema?
data analysis in SQL server environment - does this just mean knowing how to do joins and select statements?
SSRS (design and administration) - can someone please get me started on some basic tutorials where i can learn this?
what is Monarch and VorteXML and where can i learn the applications?
If you don't know those technologies and what they're talking about, you probably shouldn't be applying. The same goes for any job, whether or not it's in the IT field.
Are you just planning to answer the questions and then spend about two weeks stressing your nut off once you get the job. W3Schools will give you a start with schema (.xsd files). Sql server documentation will help you with the rest (patterns and practices on microsoft site is a good read).
You've got to understand that the interviewer probably has some ideas about the answers they want to hear too.
Good luck :)