Learn SQLSTATE, sqlstate08001
1. What is SQLSTATE?
Shell> SELECT * FROM no_such_table;
ERROR 1146 (42S02): Table 'test. no_such_table 'doesn' t exist
Display after an error occurs in the preceding SQL statement. 1146 is the error code defined by
YII2 database Exception–yii\db\exception sqlstate[hy000] [2002] No such file or directory error resolution when working with MySQL databasesA similar error occurred in the database operation, in fact, the PDO in PHP configuration file php.ini not
Centos6.5x64 Install Zen Road 6.2, generate configuration file, database connection failedDatabase connection failed sqlstate[hy000] [2003] Can ' t connect to MySQL server on ' 127.0.0.1 ' (13)Root, the password must not be wrong (command line can
In MySQL, specific exceptions require specific processing. These exceptions can be linked to errors, as well as general process control in subroutines. Defining an exception is a prior definition of the problem encountered during the execution of
Example of a MySQL stored procedure with parameters:
Http://wwty.iteye.com/blog/698239
The mysql Stored Procedure also provides the exception handling function: the implementation of exception declaration is completed by defining
MySQL stored procedures also provide functionality for exception handling: the implementation of exception declarations is accomplished by defining handlerThe syntax is as follows:DECLARE Handler_type handler for condition_value[,...] Sp_statement
http://wwty.iteye.com/blog/698239MySQL stored procedures also provide functionality for exception handling: the implementation of exception declarations is accomplished by defining handlerThe syntax is as follows:DECLARE Handler_type handler for
atitit mysql stored procedure captures all exceptions, as well as logging exception information1.1. exception Handling mode exit continue undo Mode 11.2. capturing all exceptions using DECLARE continue HANDLER for SqlException 11.3. capturing
There was a problem with PHP even with MySQL:
PHP Fatal error:uncaught exception ' pdoexception ' with message ' sqlstate[hy000]: General error:1267 illegal mix of Colla tions (utf8_general_ci,implicit) and (utf8_unicode_ci,implicit) for operation '
I followed @jellybool's video to learn.
The following command is run on the cmd command line.
PHP Artisan make:migration create_articles_table--create=articles
And then write the following code in the
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