Don Halloran | SQLServerCentral

Don Halloran

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Viewing 15 topics - 1 through 15 (of 29 total)

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Last post
A simple example which, after 15 years of relational design work, still breaks my brain - phone numbers

11 replies

5 years, 4 months ago

By: nova
Defining keys as sets that must not intersect instead of scalar values that must not be equal

37 replies

6 years, 10 months ago

By: Lynn Pettis
Is there a user guide for blog content formatting?

5 replies

7 years ago

By: Don Halloran
Transport error encountered when SOME queries run with batch terminator. Behaviour changes depending on text of query. WEIRD!

12 replies

7 years ago

By: TheSQLGuru
Replication, CDC, RBAR and ODS. Oh my!

1 replies

7 years, 1 month ago

By: Don Halloran
Just an observation: It seems odd that foreign keys cannot be references to unconstrained superkeys...*

5 replies

7 years, 9 months ago

By: Don Halloran
Current options for data-change notification on a vendor-schema (unalterable)

15 replies

8 years ago

By: Don Halloran
A Kerberos puzzle double hop thorugh srv A to srv B fails. A to C succeeds. C to B succeeds. B to A succeeds.

11 replies

8 years, 11 months ago

By: SoHelpMeCodd
CDC confusion - operation sequence of 3,4,1,2 returned as 1,4 by net changes function

1 replies

8 years, 11 months ago

By: Don Halloran
Revenue by product dimension - what about fees and charges?

10 replies

10 years ago

By: Evil Kraig F
Page life expectancy diving to sub-10 on a 128 GB server

55 replies

11 years, 5 months ago

By: Kevin Dahl
Help! I am having an rage day in SSMS (auto-deletion of closing parenthesis)

2 replies

12 years ago

By: Jason-299789
Defining calculated measures that depend on terms at different granularities

5 replies

12 years, 2 months ago

By: Don Halloran
Cluster, drive letters, and alwayson replicas

8 replies

12 years, 3 months ago

By: Perry Whittle
A brief overview of mechanisms to "export to excel" - which do you use, which do you prefer?

20 replies

12 years, 5 months ago

By: GSquared

Viewing 15 topics - 1 through 15 (of 29 total)