Move SQL Server Database Files to Another Drive
Relocate SQL Server MDF, NDF, and LDF files safely with ALTER DATABASE MODIFY FILE, an offline window, correct permissions, and verification.
Author: Sergey Kornilov
Restore a SQL Server Database Under a Different Name
Restore a SQL Server backup as a differently named database using RESTORE FILELISTONLY and WITH MOVE without overwriting the source database.
Fix SQL Server Login Failures After Database Restore
Diagnose SQL Server login failures after restoring a database by checking login existence, user SID mappings, default databases, and contained users.
Fix Unexpected Enter Parameter Value Prompts in Access
Troubleshoot unwanted Enter Parameter Value prompts in Microsoft Access queries, forms, reports, expressions, and control references.
Access LEFT JOIN vs INNER JOIN with Examples
Compare INNER JOIN and LEFT JOIN in Microsoft Access, including unmatched rows, criteria placement, duplicate results, and update-query behavior.
Concatenate Multiple Rows in Microsoft Access
Concatenate values from multiple Access rows into one delimited string with a reusable DAO function, ordered input, Null handling, and performance cautions.
Rank Rows in Access Without ROW_NUMBER
Create deterministic row numbers or ranks in a Microsoft Access query using DCount, including group-based ranking and tie handling.
Use Date Criteria Correctly in Access Queries
Write reliable Microsoft Access date criteria using date delimiters, parameters, and an exclusive next-day boundary that handles stored times correctly.
Delete Duplicate Records in Access but Keep One
Delete duplicate Microsoft Access records while keeping the row with the lowest primary key, with a preview query and safeguards for Null values.
Update Records from Another Table with an Access JOIN
Use an Access UPDATE query with INNER JOIN to copy values from a related table, preview the affected records, and troubleshoot non-updateable queries.