So, we can easily find all the constraints on the table in Oracle using data dictionary views. We can then take whatever action like modify, disable, or drop, we want to take on these constraints. Constraints ar
Planned downtime is a preventive or corrective maintenance task that interrupts day-to-day system operations. Usually, due to constraints that are imposed by the system's software and hardware design, this downtime cannot be delayed. Planned downtime should be scheduled to minimally impact the ava...
While Oracle Database can combine B-trees (via a "bitmap conversion from rowids"), this is relatively expensive. In general to get the same performance as the three bitmaps, you need to place all three columns in a single index. This affects how reusable an index is, which we'll come...
Before starting, we can identify all shared drafts which are going to delete after following further steps. Below is the SQL that will help you make a decision for removing the shared drafts from the system so that we will be aware about that: MS SQL S...
walk you through the need for Oracle and Snowflake and then explore two methods for migration: manual migration and using automated tools. By the end, you’ll have a clear understanding of how to seamlessly transition from Oracle to Snowflake, no matter your expertise level. Let’s dive in...
All the bug fixes supplied by the above SRUs are addressed in the initial Oracle Solaris 11.1 SRU. This SRU is in Support Repository. The update steps that are required might be different due to some systems running different SRU versions. To find out what SRU is on a system, you can ...
Once you disable constraint, then later you might need to enable again, but during this exercise make sure that all your data changes are correct. PostgreSQL does not provide any direct command or function to disable / enable the Foreign key constraints. ...
Querying Data at a Point in Time (Flashback Query)Although some Oracle tools and applications simplify or mask the use of SQL, all database operations are performed using SQL, to take advantage of the security and data integrity features built into Oracle.Overview...
Copied to Clipboard Error: Could not Copy create table toys_clone as select * from toys;Easy, right?Yes. But, as always, there's more to it than this. You'll want to add some constraints to your table. And there are many types of table available in Oracle Database, including:T...
"The function evaluation requires all threads to run" while accessing music library through wmp.dll "The left-hand side of an assignment must be a variable, property or indexer". Help? "The remote server returned an error: (401) Unauthorized" "Typewriter" like effect in a C# Console a...