What is the difference between an "empty" value and a "null" value? When I select those fields that are "empty" versus "null", I get two different result sets. Answer:An empty string is treated as a null value i
For years now there's been a constant war between Microsoft supporters and Oracle supporters. Oracle has these features, SQL Server has these features, etc. But that's not really where the real importance lies. Sure, functionality is a part of it because your database should be able to do...
Difference between SQL and PLSQL, SQL stands for Structured Query Language that you can use for adding, deleting, updating, and manipulating data in a database. SQL has an extension called PL/SQL, which is a programming language. Users use the SQL statem
HiCan anyone tell what is the Difference between Oracle and Sql?Thanks in AdvanceReply Answers (2) C# Asynchronous read and write with NetworkStream How to create forums in C# About Us Contact Us Privacy Policy Terms Media Kit Sitemap Report a Bug FAQ Partners C# Tutorials Common Interview...
Microsoft has developed or licensed a number of SQL variants. Yes, they’re all procedural languages used to manage relational databases, but they’re used differently. They were also created by different organizations. Here’s the differences between SQ
Oracle WebLogic Server - Version 12.1.3.0.0 and later: Difference Between "SQL ISVALID" And "SQL SELECT 1 FROM DUAL" When Datasource Is Testing DB Connection
When we think of the Oracle database, the two notions that spring to mind are actual parameters and formal parameters. Both of these terms are associated with programming and SQL.The actual arguments are those stated in the calling function. Formal parameters, on the other han...
which one is more effective (time wise and performance wise) if i want to import (1..5)thousands of records into the oracle data base table Re: Difference between plsql text importer option and sql * loader MURALI KRISHNA#4000204/27/1109:19 AM ...
“Unable to enlist in the transaction” with Oracle linked server from MS SQL Server [<Name of Missing Index, sysname,>] in non clustered index [Execute SQL Task] Error: The value type (__ComObject) can only be converted to variables of type Object. [ODBC Driver Manager] Data source nam...
参考网址:http://sql-plsql.blogspot.com/2011/09/difference-nested-correlated-subquery.html http://www.java2s.com/Tutorial/Oracle/0040__Query-Select/WritingNestedSubqueries.htm http://www.java2s.com/Tutorial/Oracle/0040__Query-Select/WritingCorrelatedSubqueries.htm ...