Useful tips for everyday
How do I restrict row count in SQL? The SQL SELECT LIMIT statement is used to retrieve records from one or more tables in a…
How does the SQL Server query optimizer work? Such a plan is created when a query is accepted by SQL Server and it’s coming from…
How does to timestamp TZ convert Char to Time Zone? TO_TIMESTAMP_TZ converts char of CHAR, VARCHAR2, NCHAR, or NVARCHAR2 datatype to a value of TIMESTAMP…
Can you drop a clustered index? To drop a clustered or nonclustered index, issue a DROP INDEX command. When you do this, the metadata, statistics,…
What are cluster resources in SQL Server? A Microsoft SQL Server Cluster is nothing more than a collection of two or more physical servers with…
How to create Windows user in SQL Server? Windows user. Default schema is available if you select either SQL user with login, SQL user without…
Is there an automated process to archive big tables? When I started to analyze the client’s historical data, I realized that there were no existing…
Where are the replication slots in PostgreSQL database? System Catalogs The pg_replication_slots view provides a listing of all replication slots that currently exist on the…
How to create a logistic regression model prediction? The model is simply the result of a regression model. You need to specify type = “response”…
What does a linear regression tell us? What linear regression does is simply tell us the value of the dependent variable for an arbitrary independent/explanatory…