大约有 40,000 项符合查询结果(耗时:0.0320秒) [XML]

https://stackoverflow.com/ques... 

How do I do top 1 in Oracle?

... If you want just a first selected row, you can: select fname from MyTbl where rownum = 1 You can also use analytic functions to order and take the top x: select max(fname) over (rank() order by some_factor) from MyTbl ...
https://stackoverflow.com/ques... 

How to deal with SQL column names that look like SQL keywords?

...ange the name because I didn't make it. Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server being confused? ...
https://stackoverflow.com/ques... 

SQL Server SELECT into existing table

I am trying to select some fields from one table and insert them into an existing table from a stored procedure. Here is what I am trying: ...
https://stackoverflow.com/ques... 

How to execute raw SQL in Flask-SQLAlchemy app

...xecute("<sql here>") or: from sqlalchemy import text sql = text('select name from penguins') result = db.engine.execute(sql) names = [row[0] for row in result] print names share | improve...
https://stackoverflow.com/ques... 

Create table (structure) from existing table

... Try: Select * Into <DestinationTableName> From <SourceTableName> Where 1 = 2 Note that this will not copy indexes, keys, etc. If you want to copy the entire structure, you need to generate a Create Script of the tab...
https://stackoverflow.com/ques... 

How to Join to first row

... SELECT Orders.OrderNumber, LineItems.Quantity, LineItems.Description FROM Orders JOIN LineItems ON LineItems.LineItemGUID = ( SELECT TOP 1 LineItemGUID FROM LineItems W...
https://stackoverflow.com/ques... 

What is the use of the square brackets [] in sql statements?

... sql also uses square brackets in the like-operator of a select query to limit results using regular expressions. codeproject.com/Articles/33941/SQL-LIKE-Operator – Jens Frandsen Sep 4 '13 at 18:49 ...
https://stackoverflow.com/ques... 

How to change collation of database, table, column?

...he OP asked: How to change collation of database, table, column? The selected answer just states it on table level. Changing it database wide: ALTER DATABASE <database_name> CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; Changing it per table: ALTER TABLE <table_name> CON...
https://stackoverflow.com/ques... 

How do I see active SQL Server connections?

... when you have to filter for specific db selecting from sys.sysprocesses is better – Iman Dec 2 '13 at 4:29 2 ...
https://stackoverflow.com/ques... 

Add an already existing directory to a directory in Solution Explorer

...tory in Solution Explorer, but whenever I right-click on the directory and select Add => Existing Item , I can only add individual files, but not directories. ...