SQL
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Software Development
Introduction to Apache Kylin
In the era of big data analytics, fast query performance over massive datasets has become an essential requirement. Traditional relational…
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Core Java
How to Reuse PreparedStatement in Java
Java Database Connectivity (JDBC) remains the standard foundation for interacting with relational databases in Java applications. One of its key…
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Core Java
jOOQ: SQL Made More Functional in Java
When working with databases in Java, developers typically use JDBC or ORM frameworks like Hibernate to interact with SQL databases.…
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Enterprise Java
Tear Down HSQLDB Database After Tests
Testing is a critical aspect of software development, and maintaining a clean test environment ensures accurate and reliable results. This…
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Software Development
5 Key Advantages of Choosing NoSQL over SQL for Your Database Needs
Choosing the right database is a crucial decision for any application, and the debate between NoSQL and SQL continues to…
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Software Development
How SQL Stores Data: The Relational Model
SQL (Structured Query Language) is a powerful language used to interact with relational databases. At the core of these databases…
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Software Development
Count(*) vs Count(1): Unraveling the SQL Counting Mystery
When performing SQL queries to determine the number of rows in a table, you’ve probably encountered COUNT(*) and COUNT(1). These…
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Software Development
Detecting and Eliminating Duplicate Data: A SQL Guide
Duplicate data is a common issue in databases that can lead to inconsistencies, errors, and inefficient performance. Identifying and removing…
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Core Java
Store File or byte[] as SQL Blob in Java (Store and Load)
In many applications, you might need to store files or binary data directly in a database. PostgreSQL offers a data…
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