大约有 6,100 项符合查询结果(耗时:0.0257秒) [XML]

https://stackoverflow.com/ques... 

How to use index in select statement?

Lets say in the employee table, I have created an index(idx_name) on the emp_name column of the table. 8 Answers ...
https://stackoverflow.com/ques... 

SQL statement to get column type

Is there a SQL statement that can return the type of a column in a table? 22 Answers 2...
https://stackoverflow.com/ques... 

MySQL query to get column names?

I'd like to get all of a mysql table's col names into an array in php? 21 Answers 21 ...
https://stackoverflow.com/ques... 

SQL query to find record with ID not in another table

I have two tables with binding primary key in database and I desire to find a disjoint set between them. For example, 6 Ans...
https://stackoverflow.com/ques... 

Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?

I have the following table: 4 Answers 4 ...
https://stackoverflow.com/ques... 

Get Insert Statement for existing row in MySQL

...ut you can get them using mysqldump like Rob suggested. Specify -t to omit table creation. mysqldump -t -u MyUserName -pMyPassword MyDatabase MyTable --where="ID = 10" share | improve this answer ...
https://stackoverflow.com/ques... 

Insert Data Into Temp Table with Query

...query that outputs current data, and I would like to insert it into a Temp table, but am having some issues doing so. Would anybody have some insight on how to do this? ...
https://stackoverflow.com/ques... 

What are the best practices for using a GUID as a primary key, specifically regarding performance?

I have an application that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, b...
https://stackoverflow.com/ques... 

Search for all occurrences of a string in a mysql database [duplicate]

...how to locate all occurrences of a url in a database. I want to search all tables and all fields. But I have no idea where to start or if it's even possible. ...
https://stackoverflow.com/ques... 

Adding multiple columns AFTER a specific column in MySQL

I need to add multiple columns to a table but position the columns after a column called lastname . 10 Answers ...