SELECTTABLESPACE_NAME, TABLESPACE_SIZE/1024/1024asTABLESPACE_SIZE_MB, ALLOCATED_SPACE/1024/1024asALLOCATED_SPACE_MB, FREE_SPACE/1024/1024asFREE_SPACE_MBFROMdba_temp_free_space; TABLESPACE_NAME TABLESPACE_SIZE_MB ALLOCATED_SPACE_MB FREE_SPACE_MB--- --- --- ---TEMP303029...
If there's an existingnot nullconstraint you want to remove, you can drop it online. To do this you need to find its name. Assuming – like most people – you defined the columnnot nullwithout a specific name, you'll have to look it up first. You can do this by checking the data...
Add a new column to table with theALTER TABLE… ADDstatement. Set the column properties in the same command itself. As an example, add columnc1of data typeINTwith default value of1. Set the column as non-nullable with theNOT NULLclause. Set thec1column as the primary key with thePRIMARY...
As previously explained, we will use Oracle VM VirtualBox to host the two servers (Oracle VM Server and Oracle VM Manager) on a single x86 physical machine.If it has not been started yet, start the Oracle VM VirtualBox console by clicking . In the console, you should see the two VMs...
You must set up a repository to house the necessary repository tables and PL/SQL packages before you can convert Microsoft SQL Server to Oracle. Follow these steps to achieve this: You can skip these steps if you already have a migration repository and a mwrep orcl connection. Step 1: To...
How To Set the Column Width of Columns in a ListView Control in VB.NET .I got VB6 code for this question from http://support.microsoft.com/kb/147666/en-us. But I need to convert this code to vb.net.Please provide the solution. All replies (1) Thursday, January 30, 2014 7:30 ...
How do I check if EmpID EE# exists in SupervisorID column and categorize it based on Manager or Individual Contributor in OBIEE. Here's the table for reference. Currently, consider there are only 2 columns EmpID EE# and SupervisorID. I need a formula t...
1 alter table AO_60DB71_LEXORANK modify column rank varchar(255) collate utf8_bin; Query your database again, as described in the 'Diagnosis' section, to confirm that the collation for the RANK column has been set correctly. PostgreSQL Diagnosis The correct...
select sum(bytes)/1024/1024 as "Index Size (MB)" from user_segments where segment_name='&INDEX_NAME'; Conclusion: After reading this post you will be able to check index on a table and index size in Oracle. You can also find index column in Oracle all other details from the above ...
You only need to create single column indexes on your table. If you have conditions against several columns the database will stitch them together!B-trees don't have this luxury. You can't just plonk one on top of the other to find what you're looking for. While Oracle Database can ...