Filtering data in SQL is a crucial skill, whether you’re working with numeric or text data. In this guide, we’ll explore how to use SQL to filter text data efficiently, using a real-world scenario from WSDA Music Management. By the end of this post, you’ll understand how to leverage SQL operators to respond to complex […]
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Shadow paging in DBMS is a technique that ensures reliable data recovery and consistency without relying heavily on logging. By maintaining two versions of database pages—current and shadow—shadow paging in DBMS allows you to recover quickly from system failures, ensuring the database always remains in a stable, correct state. This method simplifies recovery since there’s
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Filtering data efficiently is crucial for effective SQL queries. Two powerful tools for this are the BETWEEN and IN operators. This blog will explore how to use these operators to refine your SQL queries and respond to specific data requests. Scenario: Using BETWEEN and IN Operators in SQL Real-World Example WSDA Music Management wants to
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Log based recovery in DBMS is a crucial technique that ensures data integrity, consistency, and swift restoration of databases after unexpected failures. By recording all changes in a dedicated log before applying them to the database, log based recovery in DBMS safeguards against partial writes, incomplete transactions, and corrupted states. When a crash or malfunction
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Filtering numeric values in SQL is essential for extracting precise data from large databases. This post will demonstrate how to use the WHERE clause to filter numeric values effectively, ensuring you can answer specific queries efficiently. Scenario: Filtering Numeric Values in SQL Real-World Example Imagine you are working for WSDA Music Management, and they need
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