Continuing from the previous entry in this series on security concerns with using Dynamic Data Masking, in this blog I want to close out that discussion showing how you can unmask different sort of data that has been dynamically masked, even if you don’t have access to unmasked data. Clearly this is NOT a suggestion …
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January 18, 2020, was the last time I stood in front of a live group of people and spoke about anything. It was at the location where I did my first SQL Saturday presentation, back at the first SQL Saturday in Nashville. Speaking at the time was a normal thing for me, having done 5-8 …
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Did you know you can include a SELECT statement within another SELECT statement? When a SELECT statement is embedded within another statement it is known as a subquery. There are two types of subqueries: basic subquery and correlated subquery. In this article I will be discussing both types of subqueries and will be providing examples …
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This article discusses using T-SQL to access metadata for SQL Server tables and how to query sys.tables, sys.columns, sys.system_columns, and sys.all_columns.
This article explains what Snowflake data warehouse is and how it is different from other traditional data warehouses. This article will cover how to create virtual warehouses and different types of tables, how to handle semi-structured data, how to profile queries, and the benefits of clustering keys. Practical demonstrations of the concepts explained will be …
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In this tutorial, we look at what a SQL Server columnstore index is, when you would use one, and the option to order a columnstore index on one or more columns.
We must have felt the pain when you have applied multiple patches and each time you have to give Y to the prompt in opatch. There is a solution available to this problem How to run Opatch in a non-interactive form We can run the opatch apply, napply, rollback and nrollback commands in non-interactive mode […]
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SQL Plan Management (SPM) in Oracle is a preventative mechanism that provides a level of control over the execution plans used by the Oracle optimizer. It ensures that regression due to changes in execution plans doesn’t occur, even as the database undergoes changes such as database upgrades, a gathering of new statistics, or changes to […]
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MySQL transactions provide an effective method for executing multiple statements as a single unit, making it possible to safely modify data, while preventing concurrent users from updating the same data or overwriting changed data. If any statements within a transaction fail or do not achieve their desired results, the changes can be rolled back and …
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This is the third part of a series on SQL Server Dynamic Data Masking. The first part in the series was a brief introduction to dynamic data masking, completing solutions, and use cases. The second part covered setting up masking and some examples. This part starts exploring side channel attacks against dynamic data masking. This …
The post Unmasking SQL Server Dynamic Data Masking, Part 3, Security Concerns appeared first on Simple Talk.
In this article, we look at a sample use case of how you can create SQLCMD batch files that can be interactive and reused in different SQL Server environments.
Here are some beneficial Queries on Sqlplan Management in oracle How to check the sql plan parameter show parameter sql_plan How to check the settings for Automatic plan capture If OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES=true, then we can use the below query to find out the settings of the automatic plan capture How to check the sql baseline for […]
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Learn about Aqua Data Studio which is a feature-rich management tool and IDE for over 40 database platforms such as SQL Server, Oracle, MySQL, Snowflake, and many more.
By developing a strong business case, building key relationships, using budgeting and forecasting tools, and providing training and support, tech leaders can effectively sell the benefits of the cloud and influence change.
In this post, we will check out how to move SQL baseline from One Database to Another How to move the sql baselines in Oracle Suppose you have created a sql baseline in System A and Now you want to transfer that sql baseline to System B. Step 1On System A: Creating a staging table […]
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