Sometimes when we want to insert rows into a table which contains duplicate keys, then we consider using ‘replace into’ or ‘insert into … …
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Sometimes when we want to insert rows into a table which contains duplicate keys, then we consider using ‘replace into’ or ‘insert into … …
Read More »We will upgrade POSTGRESQL 10 To 11 on CENTOS in this article. Before I start the upgrade process, I want to make the following critical …
Read More »Policy-Based Management is a feature that introduced with SQL Server 2008. It allows us to set the rules we want in our systems, to …
Read More »A materialized view is a database object that contains the results of a query. The FROM clause of the query can name tables, views, …
Read More »With the Log Shipping technology, the backup of the SQL Server Transaction Log file is periodically transferred to another instance and recovered on the …
Read More »In some cases, we may need to know how many percent of the ASM disks are used. The following query shows the percentage of …
Read More »I will use SQL Server 2014 in this article. Other versions can be installed in similar ways. SQL Server Always On Failover Cluster was …
Read More »In Postgresql, sometimes we need a sample database when we test. We can use pagila in postgresql.org for this. You can follow the steps …
Read More »In PostgreSQL we have 2 functions to split a string according to a certain character; regexp_split_to_array and regexp_split_to_table. regexp_split_to_array : It splits the string according to regular expression and …
Read More »There can be different scenario’s where Teradata database needs to be stopped and started by database administrator or the database restarted automatically. So there …
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