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 ...
1.What is the dual table, what is its purpose. dual is just a convienence table. You don't need to use it, you can use anything you want. The advantage to dual is the optimizer understands dual is a special one row, one column table -- when you use it in queries, it uses thi...
Have access to Oracle Database 12c with a sample ORCL database, the SYS user with SYSDBA privilege and OS authentication (so that you can execute the sqlplus / as sysdba command.) This example uses the USERS tablespace, included in Oracle Database 12c. The Sample Schemas installation guide ...
Check the Oracle Service The first step is to check if the Oracle service is running. You can do this by opening the Services app in Windows and checking if the Oracle service is running. If the service is not running, start it and try to connect to the database again. ...
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...
sqlplus "/ as sysdba" Oracle Database Connection In the SQL developer application, click on New Connection from the top left of the screen. Enter the necessary information as provided during the installation process and click on the Connect button. ...
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...
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...