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19 lip 2013 · Here are a couple of ways: Query the excel spreadsheet directly: Use excel to format the data: In next empty column = A1 & "," then copy-down, or ="'"&A1&"'," Your second suggestion is a great option.
1 lip 2024 · Download practical & updated sample data for convenient use in Excel analysis and practice whenever required.
SQL Handwritten Notes Repository: A collection of PDF notes covering SQL concepts with concise definitions and examples. Explore fundamental commands, date/time functions, joins, and more. Contributions welcome!
2 cze 2023 · The table below contains about 800 free data sets on a range of topics. The data sets have been compiled from a range of sources. To use them: Click the name to visit the website mentioned; Download the files (the process is different for each one) Load them into a database; Practice your queries!
SQL Notes: Basics. Our SQL Basics Resource offers a comprehensive overview of essential SQL concepts and commands—crucial for anyone looking to master database management and manipulation. Download our free SQL PDF and get started with SQL notes to help you understand the core of this essential query language.
1 cze 2021 · Standard SQL Functions Cheat Sheet. TEXT FUNCTIONS. CONCATENATION. Use the || operator to concatenate two strings: SELECT 'Hi ' || 'there!'; -- result: Hi there! Remember that you can concatenate only character strings using. ||. Use this trick for numbers: SELECT '' || 4 || 2;
This page contains: Several different data sets that you can download and use on your own database. SQL script files to create the tables and load the data, with different sets of scripts for Oracle, SQL Server, MySQL, and Postgres. An explanation of each data set with links to a more detailed explanation and an ERD.
