SQL For Dummies Cheat Sheet. This Cheat Sheet consists of several helpful tables and lists, containing information that comes up repeatedly when working with SQL. In one place, you can get a quick answer to a number of different questions that frequently arise during an SQL development effort.
Adv. SQL - Basics Adv. SQL - Window Functions, CTEs, LATERAL JSONB and SP-GIST Functions - Overview Function Basics Functions - By Example Window Functions Window Function - Examples Common Table Expressions (CTEs) Writable CTEs LATERAL Window Functions - Basics Window functions are like ordinary aggregates, but are restricted to operate on a
SQL Server Danar124 Cheat Sheet from danar124. Microsoft SQL Server Cheat Sheet demonstrates the creation of stored procedures, triggers and functions. This 3-page SQL Cheat Sheet provides you with the most commonly used SQL statements. Download the SQL cheat sheet, print it out, and stick to your desk. It’s hard to remember all of the parameters for Oracle functions. Which is why I’ve created this Oracle SQL Function Cheat Sheet. It’s a single-page PDF file that lists all of the Oracle SQL functions and their parameters.
SQL cheat sheet Basic Queries Views-- filter your columns SELECT col1, col2, col3, ... FROM table1 -- filter the rows WHERE col4 = 1 AND col5 = 2 -- aggregate the data GROUP by … -- limit aggregated data HAVING count(*) > 1 -- order of the results ORDER BY col2 Useful keywords for SELECTS: DISTINCT - return unique results This "cheat sheet" covers most of the basic functionality that an Oracle DBA needs to run basic queries and perform basic tasks. It also contains information that a PL/SQL programmer frequently uses to write stored procedures. by mysqlbackupftp.com with ♥ MEASUREMENT Return a string containing binary representation of a number BIN (12) = '1100' Return length of argument in bits This SQL injection cheat sheet contains examples of useful syntax that you can use to perform a variety of tasks that often arise when performing SQL injection attacks. String concatenation. You can concatenate together multiple strings to make a single string. Other Functions CASE [expression] WHEN condition_1 THEN result_1 WHEN condition_n THEN result_n ELSE result END case_name SYS_CONNECT_BY_PATH ( column, character_separator ) Grouping Functions GROUP_ID ( ) GROUPING ( expression ) GROUPING_ID ( expression1 [, expression_n ] ) Large Object Functions BFILENAME ( directory, filename ) EMPTY_BLOB Feb 19, 2015 · The Oracle DECODE function can be confusing to those who have never used it. It’s a useful function for comparing values. Learn more about this function and some examples in this video. Purpose of the Oracle DECODE Function. The purpose of the Oracle DECODE function is to perform an IF-THEN-ELSE function.