Tag Archives: Hints

Avoiding Deadlock Transaction Errors by Using ROWLOCK Hint in T-SQL

When updating a single row data in a table, it may take a nasty while if the table is big and you have a condition in a WHERE clause on a column that is not indexed. In this case SQL … Read More »»»

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How to Use NOLOCK and ISOLATION LEVEL to Optimize T-SQL Query Performace

In this article, we will discuss how a NOLOCK hint can help improve performance of queries. Suppose you have a table: CREATE TABLE Users ( UserId INT PRIMARY KEY IDENTITY(1, 1) NOT NULL, FirstName NVARCHAR(50) NOT NULL, LastName NVARCHAR(50) NOT … Read More »»»

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