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SQL SERVER – Validate Field For DATE datatype using function ISDATE()

This article is based on the a question from Jr. Developer at my company. He works with the system, where we import CSV file in our database. One of the fields in the database is DATETIME field. Due to architecture requirement, we insert all the CSV fields in the temp table which has all the fields VARCHAR. We validate all the data first in temp table (check for inconsistency, malicious code, incorrect data type) and if passed validation we insert them in the final table in the database. Let us learn about ISDate function in this blog post.

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SQLAuthority News – SQL Blog SQLAuthority.com Comment by Mr. Ben Forta

Today is one of the most glorious day for SQLAuthority.com in history. Famous author of Sams Teach Yourself Microsoft SQL Server T-SQL In 10 Minutes, ColdFusion Guru, and well known evangelists Mr. Ben Forta has made comment on his blog about SQLAuthority.com. I encourage all my readers to visit comment…
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SQL SERVER – 2005 – List All Stored Procedure Modified in Last N Days

I usually run following script to check if any stored procedure was deployed on live server without proper authorization in last 7 days. If SQL Server suddenly start behaving in un-expectable behavior and if stored procedure were changed recently, following script can be used to check recently modified stored procedure.…
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SQL SERVER – Result of EXP (Exponential) to the POWER of PI – Functions Explained

SQL Server can do some intense Mathematical calculations. Following are three very basic and very necessary functions. All the three function does not need explanation. I will not introduce their definition but will demonstrate the usage of function. SELECT PI() GO SELECT POWER(2,5) GO SELECT POWER(8,-2) GO SELECT EXP(99) GO…
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