
sql - How to do a Select in a Select - Stack Overflow
Dec 18, 2014 · I have a table containing a unique ID field. Another field (REF) contains a reference to another dataset's ID field. Now I have to select all datasets where REF points to a …
Is there an onSelect event or equivalent for HTML <select>?
<select onChange="javascript:doSomething();"> <option>A</option> <option>B</option> <option>C</option> </select> Now, doSomething() only gets triggered when the selection …
sql - How to rename columns with `SELECT`? - Stack Overflow
Mar 5, 2009 · I have two tables with one identical column name, but different data. I want to join the tables, but access both columns (row["price"], row["other_price"]): How can I rename/alias …
What does SQL Select symbol || mean? - Stack Overflow
Apr 29, 2014 · What does SQL Select symbol || mean? Asked 11 years, 6 months ago Modified 10 months ago Viewed 187k times
sql - Case in Select Statement - Stack Overflow
Jan 7, 2013 · 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 …
mysql - SELECT * WHERE NOT EXISTS - Stack Overflow
SELECT * from employees WHERE NOT EXISTS ( SELECT name FROM eotm_dyn WHERE eotm_dyn.employeeid = employees.employeeid ) assuming that the two tables are linked by a …
How to select data of a table from another database in SQL Server?
Suppose that I have a database which name is testdb in test server. I also have a database named proddb in prod server. Now I want to select data of a table of testdb database from …
sql - How do I use ROW_NUMBER ()? - Stack Overflow
Jun 7, 2009 · SELECT * FROM ( select row_number() OVER (order by createtime desc) AS ROWINDEX,* from TABLENAME ) TB WHERE TB.ROWINDEX between 0 and 10 -- With …
sql - The difference between SELECT - Stack Overflow
I am new to SQL can someone help me understand why do we use Select .* in sql server ? And why is it different from just select * from table name In some cases we use statements like …
sql server - INSERT INTO vs SELECT INTO - Stack Overflow
The simple difference between select Into and Insert Into is: --> Select Into don't need existing table. If you want to copy table A data, you just type Select * INTO [tablename] from A.