I need to convert the sql server sql below to Oracle sql. I am mostly stuck because I can't find an equivalent conversion for "syscolumns"
Does anyone know of an equivalent query for SELECT * FROM syscolumns ?
IF NOT EXISTS (SELECT * FROM syscolumns WHERE name = @searchString)
Cursors in Oracle:
A cursor is used to process individual rows returned by database system for a query.
In oracle every SQL statement executed by the oracle server has a private area. This area contains information about the SQL statement and the…
This post first appeared at Oracleinaction (http://oracleinaction.com/undo-and-redo-in-oracle/)by Anju Garg (Myself).
I will demonstrate that undo for DML’s is stored both in undo tablespace and online redo logs. Then, we will analyze the reaso…