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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! Happy studying and coding! Resources
Rather than pulling the data out to a client sqlplus session on an ETL server, converting to PDF, then loading it back into the database as a BLOB, we do so directly in PL/SQL. We also gain page format, margins, and font control, plus optional grid lines/cells for the column data values.
1 cze 2021 · Some databases implement non-standard solutions for concatenating strings like CONCAT() or CONCAT_WS(). Check the documentation for your specific database. Use the _ character to replace any single character. Use the % character to replace any number of characters (including 0 characters).
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;
Learning SQL eBook (PDF) Download this eBook for free. Chapters. Chapter 1: Getting started with SQL. Chapter 2: ALTER TABLE. Chapter 3: AND & OR Operators. Chapter 4: Cascading Delete. Chapter 5: CASE. Chapter 6: Clean Code in SQL.
Fast and Easy Conversion. Upload your SQL files, set table style if needed, choose the save format type and click on "Convert" button. You will get the download link as soon as the file is converted.
Convert your SQL files online. You can convert your SQL documents from any platform (Windows, Linux, macOS). No registration needed. Just drag and drop your SQL file on upload form, choose the desired output format and click convert button. Once conversion completed you can download your PDF file. You even can perform more advanced conversions.
