Why one tiny scalar function can turn a 1-second query into a 10-minute outage — and how to fix it without rewriting your app. A senior engineer once handed me a SQL ticket marked "P0 — production DB ...
Partitioning tables and indexes in SQL Server is a way to organize table or index data into smaller units based on the values of certain columns. We can use SQL Server Management Studio or ...
Introduced in [!INCLUDEnav_current_long_md], SmartSQL optimization does all calculations of FlowFields on a page by using a single SQL query. This reduces the number of network roundtrips from the ...
PLCalc is a PL/SQL API that provides the ability to evaluate arithmetic expressions, optionally with bind variables. Expressions may be compiled and stored in the database in RPN format, and the ...
How many null values exist? What is the difference between a null value and a blank entry? This article answers those questions and more by discussing what to look for when creating Access apps that ...
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