大约有 40,000 项符合查询结果(耗时:0.0304秒) [XML]

https://stackoverflow.com/ques... 

How do I UPDATE from a SELECT in SQL Server?

... SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement: 35 Answers ...
https://stackoverflow.com/ques... 

Select all columns except one in MySQL?

I'm trying to use a select statement to get all of the columns from a certain MySQL table except one. Is there a simple way to do this? ...
https://stackoverflow.com/ques... 

postgresql - sql - count of `true` values

... SELECT COALESCE(sum(CASE WHEN myCol THEN 1 ELSE 0 END),0) FROM <table name> or, as you found out for yourself: SELECT count(CASE WHEN myCol THEN 1 END) FROM <table name> ...
https://stackoverflow.com/ques... 

What is the difference between HAVING and WHERE in SQL?

What is the difference between HAVING and WHERE in an SQL SELECT statement? 20 Answers ...
https://stackoverflow.com/ques... 

MySQL Select all columns from one table and some from another table

How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL. 4 Answers ...
https://stackoverflow.com/ques... 

getting the ng-object selected with ng-change

Given the following select element 10 Answers 10 ...
https://stackoverflow.com/ques... 

SQL query to select dates between two dates

... you should put those two dates between single quotes like.. select Date, TotalAllowance from Calculation where EmployeeId = 1 and Date between '2011/02/25' and '2011/02/27' or can use select Date, TotalAllowance from Calculation where EmployeeId = 1 and Da...
https://stackoverflow.com/ques... 

Join vs. sub-query

... @JinghuiNiu Customers who bought expensive items: select custid from cust join bought using (custid) where price > 500. If a customer bought multiple expensive items, you'll get double-ups. To fix this, select custid from cust where exists (select * from bought where cust...
https://stackoverflow.com/ques... 

How to set Sqlite3 to be case insensitive when string comparing?

I want to select records from sqlite3 database by string matching. But if I use '=' in the where clause, I found that sqlite3 is case sensitive. Can anyone tell me how to use string comparing case-insensitive? ...
https://stackoverflow.com/ques... 

Getting only Month and Year from SQL DATE

...o 'discard' the Days, Hours, etc - Leaving a year/month only date field SELECT DATEADD(MONTH, DATEDIFF(MONTH, 0, <dateField>), 0) AS [year_month_date_field] FROM <your_table> This gets the number of whole months from a base date (0) and then adds them to that base date. Thus ...