I have two tables like that First Table RecordID(P) Question_ID Answer_ID User_ID DateCreated 1 1 1 2 2/2/2009 2 2 2 2 2/2/2009 Second Table(question_ID is just the column which is same in both an...
SQL Server How to Distinct Values from Different Columns in SQLThis can be done usingLEASTand...
If you don’t want to remove duplicate data, or if you’re sure that there will be no duplicates in the result set, then you can use ALL instead of DISTINCT. But ALL is the default keyword in SQL statements, so we usually omit it from query statements. Conclusion This tutorial provides...
To select everything from a table, use * (asterisk operator) Select * from employee; After writing the query, click on the execute button to check for errors Once the query is executed, the table appears Select Distinct in SQL A column often contains many duplicate values, and sometimes the...
SQL Server How to use Substring [duplicate]Here we're usingSUBSTRINGwithCHARINDEXon theautocolumn. ...
Learn how to use the SQL COALESCE() function to handle null values, combine columns, and clean up your data with real-world examples and tips. Updated Mar 27, 2025 · 5 min read Contents What Is COALESCE() in SQL? When Should You Use COALESCE()? Syntax of COALESCE() Practical Examples...
SQL Server How to Distinct Values from Different Columns in SQLThis can be done usingLEASTand...
1. You can use SELECT with DISTINCT to find only the non-duplicate values from column “col1”: postgres=#selectdistinct(col1)fromtestorderbycol1;col1---1 2 3 (3 rows) 2. SELECT with DISTINCT can also be used in an SQL inline query: postgres...
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distinct mcc.cache_address, mcc.name, mcc.type, mcc.single_pages_kb, mcc.multi_pages_kb, mcc.single_pages_in_use_kb, mcc.multi_pages_in_use_kb, mcc.entries_count, mcc.entries_in_use_count, mcch.removed_all_rounds_count, mcch.removed_last_round_count ...