Using Sql Archives

18AprApril 18, 2022

Delete Duplicate Rows in SQL Server

I was working on a legacy Database with tables that has a lot of records, more than like 1M records.I noticed some duplicate rows there and I had to do something about this.After some research I came up with the following code that would delete duplicated rows in a table.DELETE...

By Amr SaafanTechnical, Database, Engineeringdelete duplicate rows in sql, delete record sql, delete sql, duplicate data, SQL, sql remove duplicates, SQL Server, using sql0 CommentsRead more...

09MarMarch 9, 2022

Some tips for improving the performance of SQL Server queries

When I observe performance optimizations for online apps, I often see them done at the application layer or by validating the index existence on a database table field column (s). The optimization of SQL queries receives very little attention. Even experienced architects and developers have a tendency to overlook the...

By Amr SaafanTechnical, Database, Engineeringbasic sql queries, database sql, Microsoft SQL Server, SQL, sql queries, sql query optimization, SQL Server, sql statements, table sql, using sql0 CommentsRead more...

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