What does double bars (||) mean in SQL? - Stack Overflow
@Martin: I know, but the DBMS is relevant quite often; it's a good habit to get into. SQL Server uses '+' as a string concatenation operator, for instance. (Of course, the better solution would …
sql - What is the equivalent of the Oracle "Dual" table in MS …
Feb 7, 2015 · In SQL Server, there is no dual. You can simply skip the FROM clause: SELECT pCliente, 'xxx.x.xxx.xx' AS Servidor, xxxx AS Extension, xxxx AS Grupo, xxxx AS Puerto …
SQL Server VS Oracle - Stack Overflow
For me personally, we have Oracle and SQL Server, where I've worked in the past, and comparing the two I can't see anything in Oracle which I couldn't do in SQL Server (One of my …
Connecting Oracle to SQL Server via database link
Feb 15, 2012 · I am trying to connect from Oracle 10G(on UNIX) to a SQL Server database (On windows). I have looked at the manual and i will admit that i am finding the documentation …
Connect Oracle SQL developer to Microsoft SQL server 2017
Oct 22, 2018 · I am using SQL Developer Version [19.2.1.247] and connected to SQL Server Express 2017 on localhost. Using jtds-1.3.1.jar downloaded from sourceforge.net. Follow …
Find the server name for an Oracle database - Stack Overflow
Jan 24, 2015 · select sys_context('USERENV','SERVER_HOST') from dual Personally I'd tend towards the last as it doesn't require any grants/privileges which makes it easier from stored …
sql - Get list of all tables in Oracle? - Stack Overflow
Oracle also has a number of legacy data dictionary views-- TAB, DICT, TABS, and CAT for example-- that could be used. In general, I would not suggest using these legacy views unless …
Connecting to SQL Server using Oracle SQL Developer
Jun 22, 2014 · I was then able to use my credentials to connect to a SQL Server instance/database using the following connection details. I'm currently using Oracle Developer …
sql - Not equal <> != operator on NULL - Stack Overflow
Apr 14, 2011 · <> is Standard SQL-92; != is its equivalent. Both evaluate for values, which NULL is not -- NULL is a placeholder to say there is the absence of a value. Which is why you can …
Oracle and SQL Server select (+) equivalent - Stack Overflow
Oracle to SQL Server convertion (+) operator. Related. 2. Oracle join operator. 2. Oracle outer join short ...