multiple sql statements

Summary of Java transaction processingfirst, what is a Java transactionThe general idea is that transactions are only relevant to the database. Transactions must be subject to the ACID principles established by ISO/IEC. Acid is an abbreviation for

Many-to-oneUse the table for EMP and DeptConfiguration files in configurationAssociating two tablesComplete case additions and lookupsNote that when we use GET, the SQL statement is emitted when we are actually using the connection table data,

First, what is the common notion of Java transactions that transactions are only relevant to the database. Transactions must be subject to the ACID principles established by ISO/IEC. Acid is an abbreviation for atomicity (atomicity), consistency

A stored procedure in Transact-SQL, very similar to a method in the Java language, can be called repeatedly. After the stored procedure executes once, the statement can be cached so that the statements in the cache are used directly at the next

Sometimes, we need to long-term query, multiple conditions for the "or" relationship, categorical query, etc., will generally use a multi-segment SELECT statement, and then the Union or union all to connect, and then to identify the desired

Sometimes, we need to long-term query, multiple conditions for the "or" relationship, categorical query, etc., will generally use a multi-segment SELECT statement, and then the Union or union all to connect, and then to identify the desired

A database stored procedure is a set of SQL statements that are pre-created and stored on the database server with the specified name, and will be used in a more frequent or complex operation, pre-written with SQL statements and stored with a

When there are multiple MySQL statements that need to be executed, such as $sqls = "Insert Table A values"; Insert Table A values (2,3); " There are three methods that you can use in PHP if you need to do this: Mysql_query Pdo Mysqli There are

First, the MYSQLI connection is a permanent connection, and MySQL is a non-permanent connection. What do you mean? The MySQL connection will reopen a new process whenever it is used for the second time, while Mysqli will only use the same process,

Self-developed PHP framework I (database operation encapsulation) compiling of the PDO layer encapsulation and model-based methods of self-developed PHP Framework If you are a sprayer and ask me how to use the wheel to make so much effort, then

In MySQL, the basic form of creating a stored procedure is as follows:Create procedure sp_name ([proc_parameter [,...])[Characteristic...] routine_bodyAmong them, the sp_name parameter is the name of the stored procedure; proc_parameter indicates

first, the importanceTesting is often a very tiring activity for programmers. What does the test bring to us? It is important to understand that testing cannot guarantee that a program is completely correct, but testing can enhance our confidence in

Every time a SQL is paged and contains many fields, big data traffic can have some impact.This introduces a bit of the stored procedure:A, stored procedure allows standard component-type programmingAfter a stored procedure is created, it can be

5. the file upload mechanism of php is to keep the files uploaded by users in php. the temporary directory defined by the upload_tmp_dir of ini (the default is the temporary directory of the system, such as:/tmp). a random temporary file similar to

PHP Security Configuration 1. Web server security PHP is actually a module function of the Web server. Therefore, you must first ensure the security of the Web server. Of course, to ensure the security of Web servers, you must first ensure the

Yisam: This is the default type. It is based on the traditional isam type and is a standard method for storing records and files. compared with other storage engines, MyISAM has most tools for checking and repairing tables. myISAM tables can be

When I use Reply content:Output mysql_error (); look. It seems that PHP cannot execute multiple SQL statements at once for system security. You replace $sql="INSERT INTO MSG_TEST(HOUSE_ID,HOUSE_TYPE,PV,UV,CITY_ID,DATELINE) VALUES(13044064,5,6,5,2

PHP Security Configuration One, Web server security PHP is really just a module function of Web server, so the security of Web server should be ensured first. Of course, the Web server to be secure and must be first to ensure that the system

This article describes how to execute mysql statements in batches in PHP. examples are given in this article. If you want to connect multiple mysql statements, for example $ Sqls = "insert table a values (1, 2); insert table a values (2, 3 );" You

This article mainly introduces the Mysql statement Quick Review Tutorial (full). For more information, see Basic operations View database show databases; Character set create database day15 default character set utf8 View character set show