When connecting to Oracle 12.2 databases from different databases with db link, reco process terminates unexpectedly. This problem is caused by bug 27544973. In order …
Read More »How To Uninstall SQL Server Service Pack or Cumulative Update
With SQL Server 2008, we can now easily uninstall Service Packs and Cumulative Updates from Control Panel, Programs and Features. Especially in case of a …
Read More »Drop Indexes Online Without ORA-0054 Error
Prior to the Oracle 12c version, droping an index was an offline process that put a lock on the original table in exclusive mode. Exclusive …
Read More »BULK INSERT in SQL Server
With BULK INSERT you can upload text, csv data files to the database in any format. Users must have insert privileges in the database and …
Read More »How To Check All Session Information in Oracle
We often need to get information about existing sessions in databases. We can find the below details with the help of the following query. Which …
Read More »How To Use OPENROWSET in SQL Server
With OPENROWSET, you can access remote data using OLE DB. OPENROWSET is a system function as you will see below. With this method, we provide …
Read More »How To Drop a Database Link in Another Schema
If a user want to drop a DB link belonging to a schema in Oracle databases, it searches for that DB link under the schema …
Read More »Query Hints in SQL Server
What is Query Hint? You can change the execution plan of the query by adding the query hints to the end of the query. For …
Read More »Check When Password Was Last Changed in Oracle
The most recent password change date for users in the Oracle database is in the ptime field in the sys.user $ table. With a query …
Read More »Optimize for ad hoc workloads and Parameterization in SQL Server
In this article, we will examine what happens when we enable Optimize for ad hoc workloads and when we use parameterization. We will see what …
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