Run a SQL Server health check that reviews backups, integrity-check evidence, file growth, users, build level, and space without guessing health.
SQLAuthority News – Guest Post – SELECT * FROM XML – Jacob Sebastian
Getting NULL when reading a value from XML? Most of the time the XPath expression is wrong. A guest post by Jacob Sebastian on writing it correctly.
geometry STIsValid: Parsed Shapes Still Need a Validity Check
geometry STIsValid checks whether a spatial instance satisfies the validity rules for its geometry type. I use two parsed lines to separate those questions. Successful construction alone does not establish that a shape is valid.
SQL SERVER – TRANSACTION, DML and Schema Locks
Most candidates in a senior developer interview could not create a scenario that shows schema locks. Here is a simple demo with a TRANSACTION and DML.
How to Learn a New SQL Server Release Quickly
Evaluate new SQL Server features with a focused reading plan, version checks, three relevant experiments, and a record of operational tradeoffs.
SQL SERVER – Data Pages in Buffer Pool – Data Stored in Memory Cache
What is in your memory cache? A query on sys.dm_os_buffer_descriptors shows the data pages in buffer pool for each table and index.
SQL SERVER – Difference Between DATETIME and DATETIME2 – WITH GETDATE
I repeat my DATETIME and DATETIME2 test with GETDATE instead of SYSDATETIME. See how the distinct values in each column compare this time.