DB2 SQL Error SQLCODE 407 SQLSTATE 23502 | Explained
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DB2 SQL Error SQLCODE 407 SQLSTATE 23502 | Explained

DB2 SQL Error SQLCODE 407 SQLSTATE 23502 means a column object specified as NOT NULL is receiving a NULL value. It usually occurs when trying to perform an INSERT, UPDATE, or SET operation on an object. However, the ALTER statement can sometimes trigger the same issue. What is SQLCODE =- 407 in DB2? The SQLCODE…

How to Check Database Encryption in SQL Server? Step-by-Step Guide
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How to Check Database Encryption in SQL Server? Step-by-Step Guide

Database encryption in SQL Server refers to encrypting data stored in a SQL Server database to protect it from unauthorized access. Encryption gives an extra layer of assurance by changing over information into an unreadable organize, rendering it futile to unauthorized people even if they pick up and get to the database. In this article, we’ll dig into…

DB2 SQL Error SQLCODE 803 SQLSTATE 23505
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DB2 SQL Error SQLCODE 803 SQLSTATE 23505

DB2 SQL Error SQLCODE 803 SQLSTATE 23505 means that an Insert or Update operation is violating a uniqueness constraint that is already in place. It occurs either after performing Load with the identity_override modifier or when the table gets altered to add an Identity clause with existing data. What Does SQLCODE = – 803 Mean?…

Bulletproofing MySQL Replication with Checksums
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Bulletproofing MySQL Replication with Checksums

Are your MySQL replicas running well?  You might not even know if they aren’t. One of the scariest things about MySQL replication is that it can drift out of sync with the master “silently”. No errors, no warnings.In this article, we have explained bulletproofing MySQL replication with checksums. Let’s check them out! What Is MySQL…

How to Optimize MySQL for High Speed
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How to Optimize MySQL for High Speed

There is no need to mention that speed is one of the most sought-after attributes in any database system. Optimizing MySQL for high speed is essential to ensure responsive applications and efficient data processing. There are basically two best ways to speed up UNION in MySQL – using UNION ALL and using push-down conditions. In…

SQL Server on AWS vs Azure | Everything You Need to Know
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SQL Server on AWS vs Azure | Everything You Need to Know

AWS SQL and Azure SQL server are excellent cloud services, with more than 99.9% availability, competitive pay-as-you-go pricing strategies, and more. Yet, they have certain limitations in scalability, integration, and security. So, choosing one can be tough if you’re just starting out. A comparison of SQL server on AWS vs Azure When comparing SQL servers…

5 Things You Overlooked With Mysql Dumps
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5 Things You Overlooked With Mysql Dumps

You may already know that when the mysqldump client utility performs logical backups, it produces a set of SQL statements that you can execute to reproduce the original database object definitions and table data. Although it dumps one or more MySQL databases for backup or transfer to another SQL server, there are 5 things that…

How to Optimize Paging in MySQL? 3 Best Ways
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How to Optimize Paging in MySQL? 3 Best Ways

Paging or pagination is a common requirement for almost all web applications where all the documents are divided into discrete pages. This is the easiest way to select only what you need from the database. However, optimizing paging operations is crucial to ensure efficient and fast retrieval of data in MySQL. So how do you…

Easy MySQL Replication With Hotbackups
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Easy MySQL Replication With Hotbackups

Setting up replication in MySQL is something we need to do quite often. Slaves die, replication fails, or tables and data get out of sync. Whenever we build a slave, we must start with a snapshot of all the data from the master database. MySQLdump is the tried-and-true method of doing this, however it requires…