Parquet is a popular columnar storage file format used in data processing frameworks like Apache Hadoop and Apache Spark. It is efficient for both storage and processing, especially for large datasets. However, sometimes you might need to convert Parquet files to CSV format for compatibility with other tools or for data exchange purposes. This article…
In SQL Server, executing a stored procedure into a temporary table is a common task when you need to capture the output of a stored procedure for further manipulation or analysis. This can be useful in various scenarios, such as reporting, data transformation, or simply filtering the data returned by the stored procedure. This article…
Python, a powerful and versatile programming language, boasts a vast ecosystem of libraries and frameworks that developers can leverage to build everything from simple scripts to complex applications. The primary tool for managing these libraries is pip, Python’s package installer. While pip makes it straightforward to install packages from the Python Package Index (PyPI), there…
In database management, understanding how to list all the tables within a database is a fundamental skill. Whether you are a database administrator, developer, or data analyst, knowing which tables exist in your database is crucial for managing data effectively. This article explores different methods to list all tables in a database across various database…
The OPEN MASTER KEY statement in SQL Server is a critical command used to access encrypted data within a database. In SQL Server, the Database Master Key (DMK) is a symmetric key used to secure various database-level encryption keys, such as certificates and asymmetric keys. Without properly managing the master key, accessing encrypted data or…
Azure Logic Apps is a cloud service that helps you automate workflows and integrate apps, data, systems, and services across enterprises or organizations. By using them, you can design and build scalable solutions for app integration, data integration, system integration, enterprise application integration (EAI), and even business-to-business (B2B) communication. This guide will take you through…
RSA_PKCS1_PADDING has been a widely used padding scheme in cryptographic operations, particularly for RSA encryption and decryption. However, recent advancements and security considerations have led to its deprecation for private key decryption in many cryptographic libraries. This article goes into the reasons behind this change, provides alternative methods for secure encryption and decryption, and offers…
A relational database management system is the Oracle database. OracleDB, or just Oracle, is another name for it. Oracle Corporation creates and markets it. It is one of the most used relational database engines for storing, organizing, and retrieving data in the IT sector. Sessions that are operating for a longer period in an Oracle…
Understanding time zones can be helpful for maintaining data integrity and synchronization when data remains scattered across different geographic locations. Oracle Database 19c offers a simple query-based process to manage the time zone information more effectively. It allows database administrators and developers to synchronize their applications. In the sections that follow, we will explore the…
Comparing dates without times is a common need when working with SQL databases. Luckily there are several methods and built-in functions to compare dates in SQL without factoring in the time portion But sometimes you just want to focus on the date component for your queries and analysis. This guide will talk about various techniques…