2024-03-13
441 reads
Bit Columns
Using bit columns with NULLs when three options exist in SQL Server
Frequently surveys ask yes/no questions and use a bit datatype. What are the effects of allowing this column to be NULL in a SQL Server table? Check out this tip to learn more.
2012-01-05
4,275 reads
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Locking Hierarchies
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Question of the Day
Locking Hierarchies
You have a table [dbo].[orders] without a Clustered Index (Heap). The table does not have any other nonclustered indexes! You rund the following command in Read Committed Isolation Level:
SELECTo_orderdate,
o_orderkey,
o_custkey,
o_storekey
FROMdbo.orders
WHEREo_orderkey = 3877;