The Oracle Connection Manager acts as an intelligent network proxy and is placed between Oracle databases and their clients. It can do much more for database environments than the proxy classicshaproxyandnginx, because these can only serve the TCP-IP socket layer. This is because...
efficient thingforme.5) yes6) the optimizer understands dualisa magic, special1row table. It stoppedontheselect* because thereistobe one rowinthere. Its just the way it works. Hopefully you reset dual backto1row after your testingoryou just totally broke your database!7)likeI said, duals ...
Oracle databases are widely used in the industry; sometimes, you may encounter errors when working with them. One such error is theORA-01034Oracle not available error, which indicates that the Oracle database instance is not available. This error can be frustrating, especially when working on a ...
#3)We have to select the System Class as provided by the installer. As Oracle is being installed in our local system and not any server, we choose the Desktop class option. Then click on the Next button. #4)In this step, we need to declare the user account of Windows for security f...
This is the fifth part of the 6 part guide which describes how to install Informatica PowerCenter 9.6.1 for personal use How to get and unpack the legitimate copies of the software packages (see Part 1) How to install Oracle 11g and create a database for Informatica repository and domain...
yes, when we build the database, we build dual and put a single row in it. 4.why do we usually SELECT USER FROM DUAL, why cant I do it like SQL> select USER FROM EMP WHERE ROWNUM<2; truly, why can't you? is something preventing you from doing so?? You can if you want. ...
If your Oracle location is not c:\oracle\oradata, or if your database instance name (SID) is other then eXchange, then open the createtablespaces.sql file and make the appropriate change or changes in the first line. Note – The database user who runs the SQL scripts must have permissio...
If you were to try starting a VNC server, this is what you would expect to see currently: root@sc2:~# vncserver :1 -bash: vncserver: command not found To start off, first we will need to connect the Oracle Solaris server to the internet, in order to accessOracle’s package repository...
SQLplus is developed by Oracle, which enables the user to interact, enter and run the SQL commands on the SQL blocks. The spool command is used in SQLplus to instruct the output of the query to the side flat file of the server. It is due to the spool command that interacts with the ...
[oracle@henry~]$ sqlplus sys/oracle@pdb1assysdbaSQL*Plus:Release12.2.0.1.0ProductiononWed Mar1818:08:182020Copyright (c)1982,2016, Oracle.Allrights reserved. Connectedto: Oracle Database12c Enterprise EditionRelease12.2.0.1.0-64bit ProductionSQL>createusertom identifiedbytom;Usercreated.SQL>grantdba...