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Tag Archives: SQL Server 2012
Always on\Database Mirroring Automatic Page Repair
A special thanks to Daniel Jones [daniel.jones.0543@gmail.com] for showing up interest and writing informative article for our blog (http://mssqlfun.com/). Always on\Database Mirroring Automatic Page Repair One of the most useful as well as hottest feature in SQL Server is mirroring of database. It is helpful for numerous of organizations that implements the successful as … Continue reading
Error while loading Excel data into database
Issue: I am trying to load data from Excel 97 – 2003 sheet into a database table. I have written a simple SSIS package to do that, but unfortunately, it fails with error: – Microsoft (R) SQL Server Execute Package Utility Version 11.0.6020.0 for 64-bit Copyright (C) Microsoft Corporation. All rights reserved. Started: 2:02:37 … Continue reading
Restrict user to login from single Host
Restricting user to login from single host may be sometimes required from security point and other business requirements. We can achieve it through SERVER LEVEL LOGON TRIGGER. ALTER TRIGGER TR_CHECK_LOGIN_TEST_HOST ON ALL SERVER FOR LOGON AS BEGIN DECLARE @HOSTNAME VARCHAR(48) DECLARE @PROGNAME VARCHAR(100) SELECT @HOSTNAME = HOST_NAME FROM SYS.DM_EXEC_SESSIONS WHERE SESSION_ID = @@SPID IF ORIGINAL_LOGIN() … Continue reading
Sequence – Long awaited feature
As per BOL (https://msdn.microsoft.com/en-us/library/ff878058(v=sql.110).aspx) : A sequence is a user-defined schema-bound object that generates a sequence of numeric values according to the specification with which the sequence was created. The sequence of numeric values is generated in an ascending or descending order at a defined interval and may cycle (repeat) as requested. Sequences, unlike identity … Continue reading
SQL Server Cluster LooksAlive and IsAlive Check
Windows Cluster Service use the “heartbeat” process to check whether each node is alive at both the OS level and SQL Server level. Heartbeat signals works on UDP. Microsoft Windows Cluster service perform 2 health checks to perform node & resource availability check. LooksAlive Health Check 1) LooksAlive is a quick lightweight health check 2) … Continue reading