MySQL field name conflicts with reserved words and the solution, mysql Field
Problem: Conflicts between MySQL field names and reserved words often occur in actual operations.
Com. mysql. jdbc. exceptions. jdbc4.MySQLSyntaxErrorException.
Solution:
Conflicts between MySQL field names and reserved words often occur in actual operations. The following errors may occur. Com. mysql. jdbc. exceptions. jdbc4.MySQLSyntaxErrorExcep
Conflicts between MySQL field names and reserved words often occur in
The following articles mainly describe the actual solution to conflicts between MySQL field names and reserved words. We all know that conflicts between MySQL field names and reserved words often occur in actual operations, therefore, the
We know that the general SQL query statement is written as follows: selectcolfromtable; this is of course no problem, but what if the field name is "from? Selectfromfromtable; if this is the case, an error is inevitable. When the field name
Attempting to use a qualifier, such as using an embedded MySQL data type or function name as a table or column name, such as timestamp or group, can cause a common problem. Allows you to do this (for example, ABS can be used as a column name).
We know that the general SQL query statement is written as follows:
Copy codeThe Code is as follows: select col from table;
Of course this is okay, but what if the field name is "from?
Copy codeThe Code is as follows: select from table;
If this
We know that the usual SQL query statements are written in this way:
Copy Code code as follows:
Select Col from table;
That's fine, of course, but what if the field name is "from"?
Copy Code code as follows:
Select from from
When writing a program, many people tend to use the reserved words of the program easily or accidentally. Sometimes the program cannot be correctly executed because it is clearly correct. Do you know the Common Reserved Words?
The following are all
MySQL reserved word list. Bark finishing.Attempting to use a qualifier, such as using an embedded MySQL data type or function name as a table or column name, such as timestamp or group, can cause a common problem. Allows you to do this (for example,
You have a error in your SQL syntax; Check the manual that corresponds to your MySQL server Versio This sentence is not unfamiliar to us, nothing more than "," and so on. But if you accidentally added a reserved field in MySQL as the name of the
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