Tag: sql

  • MSSQL int to nvarchar

    If you need to convert/cast a database integer field to an nvarchar on a Microsoft SQL Server, you should use the convert function. In this example we cast the number 4343 to an nvarchar: Example to convert an int field (field_int) to a nvarchar field: Result from the query:

  • MSSQL datediff in seconds

    The following command on a Microsoft SQL Server calculates the difference in seconds between two datetimes: Example query: Result: If you need the result as a text and also want to add 3 digits after the seconds you can use the following example: Result:

  • Oracle top 1 record

    To select the top 1 records from an oracle database, you filter with the where statement on rownum = 1: If you want to select top 10 records from the table you use the following statement: