If you want to convert JSON data to a table in SQL Server without using the OPENJSON function, you can use the JSON_VALUE and JSON_QUERY functions to extract specific values and arrays from JSON, respectively. However, keep in mind that this method is not as versatile as OPENJSON and is more suitable for simple JSON…
When transitioning from SQL to LINQ (Language-Integrated Query), developers often encounter a learning curve as the syntax and approach differ. However, understanding how to convert SQL queries to LINQ is crucial for those working with .NET languages like C# or VB.NET. LINQ is a powerful feature in .NET languages that allows developers to query and…
Navigating the intricacies of SQL often involves converting data types, and one common challenge is converting doubles to strings without encountering scientific notation. In this guide, we’ll delve into the nuances of this process, ensuring precision and clarity in your SQL queries. Why Scientific Notation Matters in SQL Conversions Unpacking the potential pitfalls of scientific…
The SQL error “ORA-00913: too many values” typically occurs when you are trying to insert more values into a table than there are columns in the table. This error indicates a mismatch in the number of values being provided and the number of columns in your SQL statement. To fix this issue, make sure the…
Calculating the average of multiple rows in SQL is a fundamental operation that can provide valuable insights into a dataset. Whether you’re working with financial data, survey results, or any other type of information, understanding how to calculate averages is essential. We can calculate averages of multiple rows in SQL, we can group data for…
Understanding time is critical for effective data analysis in Oracle SQL. Extracting specific timestamps, like the current year or previous one, allows you to spot trends, compare performance, and gain valuable insights from your data. This comprehensive guide will explore multiple methods for retrieving the current and prior years in Oracle SQL. Retrieving the Current Year…
Working with diverse data formats is a common challenge in the realm of database management. If you find yourself needing to import DBF (dBASE) files into SQL Server, this comprehensive guide will walk you through the process step by step, ensuring a smooth and efficient data transfer. Why Import DBF Files into SQL Server DBF…
The “.gz” file extension typically indicates a compressed file (e.g., gzip-compressed). On the other hand, “.sql” files are plain text SQL scripts. You can’t directly convert a compressed file to a SQL script. If you have a “.gz” file that contains SQL data, you’ll first need to decompress it. After decompressing, you may find a…
PostgreSQL and SQL Server are popular relational database systems. PostgreSQL, open-source and highly extensible, emphasizes standards compliance. SQL Server, a Microsoft product, integrates well with Microsoft tools and offers proprietary features. Each has distinct strengths, with PostgreSQL favored for its openness and flexibility, while SQL Server is known for seamless integration within the Microsoft ecosystem….
To run SQL Tuning Advisor manually in Oracle Database 19c, you can use the SQL*Plus command-line tool or Oracle SQL Developer. You need to identify slow SQL, create a tuning task in Oracle 19c using DBMS_SQLTUNE, execute it, and follow recommendations for better performance. Manual tuning is essential for complex queries and allows control over…