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The Practical Problems of Determining Equality and Equivalence in SQL

In theory, it is easy to determine whether data is equal to, greater than or lesser than a value. Real-world data types can be surprisingly tricky, even for gauging data equivalence. Because SQL cannot remain aloof from any application's data types, you need to be aware of the ways and pitfalls of individual datatypes and how you can test for equality, equivalence, similarity, identity and all that jazz. Joe Celko discusses.

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Automatic SSRS report output of all report parameter combinations

You already have a SQL Server Reporting Services (SSRS) sales report that takes parameters for Country and State. Each time the report is run a user selects the specific Country and State for the report. A request has been made to deliver one report via email that includes all of the combinations for each country and state. Daniel Farina shows how to achieve this without modifying the report.

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advice as i migrate my winscp based ssis pkg to our prod server

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Identities and Sequences II

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Question of the Day

Identities and Sequences II

In thinking about the differences between the identity property and a sequence object, which of these two guarantees that there are consecutive numbers (according to the increment) inserted in a single table?

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