大约有 6,200 项符合查询结果(耗时:0.0222秒) [XML]
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...
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
...
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
...
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?
...
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
...
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...
Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
I have the following table:
4 Answers
4
...
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
...
What is SELF JOIN and when would you use it? [duplicate]
...
You use a self join when a table references data in itself.
E.g., an Employee table may have a SupervisorID column that points to the employee that is the boss of the current employee.
To query the data and get information for both people in one row,...
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.
...
