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Cisco Releases Updates to Address Unified Communications Manager SQL

Cisco has released updates to fix an improper user input validation vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME). The vulnerability could be exploited to conduct an SQL injection attack. Note While Cisco is not aware of this being exploited in the wild, it’s …

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Solved: Is Partitioning a form of database Normalization?

Question I am aware of the benefits of using partitioning and normalization strategies. Is breaking a database schema into smaller, more query-oriented tables a form of normalization? I have extensive experience in normalizing tables. Does normalizing tables affect query speed? Additionally, would a subsequent join have an effect on query performance? Furthermore, what can be …

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Solved: How to enable Windows Firewall GPO on SQL Servers with named instances?

Question I have been assigned the responsibility of enabling Windows Firewall on our server infrastructure. I have already configured the necessary rules for remote management and other essential services. However, since we are a development house with approximately 45 SQL servers, each of which use named instances which necessitates dynamic ports for connections, additional measures …

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Web Application Firewalls are Vulnerable to JSON Bypass

Researchers from Claroty’s Team82 have “developed a generic bypass of industry-leading web application firewalls (WAF)… [that] involves appending JSON syntax to SQL injection payloads that a WAF is unable to parse.” The issue affects WAFs from Amazon Web Services, Cloudflare, F5, Imperva, and Palo Alto. All have updated their affected products to address the vulnerability. …

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Solved: How do I perform increment percentage calculations in SQL INSERT or UPDATE statement in PostgreSQL?

Question I have a product table and I need to update the amount in the column table (float4 datatype) based on the increment percentage column. Example SQL command as below: The incrementPercentage column might have a value or it might be empty (null), I like to know if the UPDATE statement with a CASE statement …

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Solved: Do I need to create separate Windows Server Failover Cluster for SQL Server Always On and Availability Groups?

Question We are re-visiting the topic of purchasing SQL Server 2019 Enterprise but are first configuring a Proof-of-Concept setup to get a feel of how well it works within our environment and how to migrate DBs to it. One thing we’re stuck on is that reading through the documentation it mentions Windows Server Failover Clustering …

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Solved: What does the SQL/MySQL Aliases syntax do and mean?

Question: Refer to the below SQL statement for syntax highlighted in bold. SELECT t1.* FROM provider_payments t1 WHERE t1.id = (SELECT MAX(t2.id)FROM provider_payments t2 WHERE t2.account_id = t1.account_id) Normally after the FROM clause, we would see “tablename1, tablename2”, but here we can not see a comma behind the table name. Read on below explanation to …

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