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Forgot sa password for your SQL Server?

It may happen so that you don`t know the password of sa user for SQL Server you inherited from somebody. Actually it can happen cause of many reasons. We`ll try to resolve this issue now.So here is a step by step guide for resetting forgotten sa password.

Forrards
March 31, 2023
Boost your OLTP database performance with SQL Server 2014 in-memory tables

Today we can already say with certainty that the most striking innovation in the MS SQL 2014 is the In-Memory OLTP. In-Memory OLTP (project Hekaton) functionality was designed to expedite the processing of typical OLTP-operation in SQL Server. As you know, server load can be divided into two classes: data collection and analysis of what is collected. The first class of problems called OLTP (On-Line Transactional Processing). It is characterized by a short updating transaction affecting a relatively small number of tables in the database. The second class of problems called OLAP (On-Line Analytical Processing) and is characterized by massive prolonged reading, covers a large number of tables and collecting of them, as a rule, the maximum entries. In-Memory OLTP - fully transactional technology and supports failover.

Forrards
March 31, 2023
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How to convert to Base64 and backwards via T-SQL

I want to share my way to convert a string to Base64 and back. Let me note that presented method is not the fastest, but it has one important advantage - it works OOB, without CLR functions. We need a test database and a table to use as an example:

Forrards
March 18, 2023
Performance and using of VARCHAR boxes as filters in SSRS reports

Very few people have thought about this performance killer. It is all about report parameter of text type.The initial situationThere was a table with about 45 million rows. Some columns in the table were VARCHAR and should have been filtered. As a result of filtering by 10 different parameters the total number of rows could have been significantly reduced. SQL Server was going for table scan in this case. Also there was a number of indexes defined on the table.

Forrards
March 18, 2023

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