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What's the best way to delete or update 100 million records in an MSSQL server?

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For Delete use Truncate command and for update million records use like... Consider a table called test which has more than 5 millions rows. Suppose you want to update a column with the value 0, if it that column contains negative value. Let us also assume that there are over 2 million row in that column...
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For Delete use Truncate command and for update million records use like... Consider a table called test which has more than 5 millions rows. Suppose you want to update a column with the value 0, if it that column contains negative value. Let us also assume that there are over 2 million row in that column that has a negative value. The usual way to write the update method is as shown below: UPDATE test SET col=0 WHERE col<0 read less
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I need your help to choose my career as I have three years of gap between my education. I know SQL. Can anyone tell me should I choose MS SQL server or oracle because I am interested in the database? Which one will be better to learn to get into the IT industry? Please help me! Thank you!
As you are strong and interested in SQL, why not to choose ETL Testing? It has a good career ahead in data projects. To survive in the market, you need both Oracle & SQL Server. Actually, both are almost same but are different products.
Santhosh

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