What is a SQL Server clustered index ? The definition of a SQL Server index is a structure, i.e. a file, stored physically in a disk. It’s like the master data file and the log data file that composes a database. Basically, to find the associated lines or rows faster, the index stores one or more key columns. So what’s the definition of a …
How to Check if table exists in SQL Server before to delete it ? How to drop it only if the existence check shows it already exists in the database to avoid errors, using the DROP TABLE keyword. Indeed, when running long SQL scripts or running scripts twice, it is much better to test the table existence. Indeed, we highly recommend testing the table …
How to copy a file to another folder with windows PowerShell copy script? There are several efficient options to copy Windows files from the PS command prompt. In PowerShell scripting, use the Copy-Items command in a Windows PowerShell prompt. It is also possible to copy from the GUI, but this option is very manual. Indeed, it is always possible to copy files and folders …
How to fix the database does not exist error in sp_MSforeachdb ? With MS SQL Server, when using the sp_MSforeachdb system stored procedure, the system displays this error “Database does not exist. Make sure that the name is entered correctly.”. But only in specific cases and for certain databases. The stored procedure displays the error because the database tries to access a database that …
Definition of Big Data and its concepts, marketing among others. Big Data Analytics is data that is larger than the capacity of commonly used software tools. These tools are used to capture, manage and process data in an acceptable timeframe, i.e. quantities of data that traditional BI tools cannot handle. This data is constantly growing, from a few terabytes to several petabytes. MIKE 2.0 …
How to Detect the Excel column data type with SSIS import into SQL Server ? The integration of Excel files via SSIS requires you to freeze the data type in the OLEDB component. This is because the Excel data type is determined in SSIS by sampling the first 8 rows of the default column in the OLEDB component for Excel sources. Therefore, to integrate …
In this SQL Server tutorial, here is how to Import data from an Excel file to a database, with the SQL Server wizard, without SQL code. To do this, use the Data Import Wizard from SQL Server Management Studio. In this example, here is how to import data from a source Excel file to a SQL Server target table. To Import an Excel file …
Where to download the MS SQL Server 2019 developer free edition ? It’s the free edition and contains the full set of available features. It also provides a real option for evaluation for developments, tests, and proof of concepts. Nevertheless, it is not for use in a production environment. Indeed, SQL developers must install the DBMS tool locally to understand its architecture and operation. …
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