Top "Data-access" questions

Data access typically refers to software and activities related to storing, retrieving, or acting on data housed in a database or other repository.

ORM vs Handcoded Data Access Layer

I'm a bit scared to ask this question as it may start a religous war so I want to be …

orm data-access
Inserting values to a table using generic dictionary

Coding Platform: ASP.NET 2.0 WebForms with C# with MySQL as backend Background I am currently working on a bug fixing …

c# asp.net architecture data-structures data-access
InvalidOperationException when try to ExecuteReader() with Oracle Data Access ODP.NET 11.2

It's the first time I HAVE to work with Oracle, and as we all hate to work with foreign stuff …

c#-4.0 oracle11g odp.net data-access
ASP.net DAL DatasSet and Table Adapter not in namespace - Northwind Tutorial

I've been attempting to walk through the "Creating a Data Access Layer" tutorial found http://www.asp.net/learn/data-access/…

asp.net data-access-layer data-access northwind typed-dataset
Error "ORA-00933: SQL command not properly ended" on Select with ODBC Command

I'm trying to execute a query against an Oracle DB using ODBC in .NET and am getting the following error: …

c# .net oracle odbc data-access
What's Up with O(1)?

I have been noticing some very strange usage of O(1) in discussion of algorithms involving hashing and types of search, …

search collections complexity-theory data-access
Using interfaces for writing DAO classes

I'm creating a new web application which will use a bunch of Data Access Object(DAO) classes for doing CRUD …

java data-access-layer data-access
ORA-06502: PL/SQL: numeric or value error calling a stored procedure from c# web service

I'm trying to write a web service that calls an oracle stored procedure. The procedure has 2 inputs - a string (…

c# web-services data-access
Oracle.Dataaccess error ORA-06502: PL/SQL: numeric or value error: character string buffer too small

I am invoking a stored proc from .NET app. The proc returns an out parameter of type Varchar2. To fet …

.net oracle data-access