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- sql - Case in Select Statement - Stack Overflow
Using a SELECT statement with a searched CASE expression Within a SELECT statement, the searched CASE expression allows for values to be replaced in the result set based on comparison values The following example displays the list price as a text comment based on the price range for a product
- How to select unique records by SQL - Stack Overflow
When I perform SELECT * FROM table I got results like below: 1 item1 data1 2 item1 data2 3 item2 data3 4 item3 data4 As you can see, there are dup records from column2 (item1 are dupped) So how co
- Select from one table matching criteria in another?
select A * from table_A A inner join table_B B on A id = B id where B tag = 'chair' That WHERE clause I would like to be: WHERE B tag = A <col_name> or, in my specific case: WHERE B val BETWEEN A val1 AND A val2 More detailed: Table A carries status information of a fleet of equipment
- Set the select option as blank as default in HTML select element
<select> <option value data-isdefault="true">--Choose one Option--< option> <option>Option 1< option> <option>Option 2< option> <option>Option 3< option> < select> With that, it will stay un-submittable but selectable, anytime More convenience for User Interface and great for User Experience Well that's all, I hope it helps Cheers!
- How can I set the default value for an HTML lt;select gt; element?
Why not disabled? When you use disabled attribute together with <button type="reset">Reset< button> value is not reset to original placeholder
- How can I select from list of values in SQL Server
If you want to select only certain values from a single table you can try this select distinct(*) from table_name where table_field in (1,1,2,3,4,5) eg: select first_name,phone_number from telephone_list where district id in (1,2,5,7,8,9) if you want to select from multiple tables then you must go for UNION
- sql - Insert into . . . values ( SELECT . . . FROM . . . - Stack Overflow
This can be done without specifying the columns in the INSERT INTO part if you are supplying values for all columns in the SELECT part Let's say table1 has two columns This query should work: INSERT INTO table1 SELECT col1, col2 FROM table2 This WOULD NOT work (value for col2 is not specified): INSERT INTO table1 SELECT col1 FROM table2
- What does it mean `SELECT 1 FROM table`? - Stack Overflow
SELECT * FROM TABLE1 T1 WHERE EXISTS ( SELECT 1 FROM TABLE2 T2 WHERE T1 ID= T2 ID ); Basically, the above will return everything from table 1 which has a corresponding ID from table 2 (This is a contrived example, obviously, but I believe it conveys the idea
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