multiple sql statements

1. Install mysql first,Feet House: http://www.jb51.net/softs/2193.html or go to mysql.com official website can, one way next, after installation, there is a simple configuration, prompt to have a set login password and service name,The default value

If the project requiresProgramA fixed sequence of operations on tens of thousands of pieces of data in a centralized period of time, and the use of programs to execute the stored procedure is not fully used. These optimizations are required. We

Differences between Oracle and MySQL official JDBC     Description MySQL Oracle JDBC driver   Driver:Http://dev.mysql.com/downloads/connector/j/Driver type: type4All the latest versions claim to support

This work is licensed using the "knowledge sharing signature"-"non-commercial use"-2.5 mainland China License Agreement in the same way.     In Java technology, JDBC is the basis for all database operations. Whether it is ibatis or hibernate, its

MySQL, as the most popular free database service engine, has been popular for a long time. However, some people may not know much about the internal environment of MySQL, especially those mechanisms for concurrent processing. Today, let's take a

We know that mysqli is a new MySQL interface in PHP5, which uses the object-oriented idea. The code using the mysqli interface is more readable and its execution efficiency is higher than that of the mysql interface. we know that mysqli is a MySQL

We know that mysqli is the new MySQL interface provided in PHP 5, which uses object-oriented thinking. Code that uses the Mysqli interface is more readable and performs more efficiently than the MySQL interface. And Mysqli provides a multi_query ()

Document directory Transaction Introduction JDBC transactions JTA (xa) Transaction Transaction Introduction 　　Generally, the J2EE Application Server supports JDBC transactions and JTA (Java transaction API) Transactions (usually managed by

In the recent project, you need to copy several dump files (text format, 1 ~ 2 GB) records are imported into the MySQL database. Due to the large data volume (millions or tens of millions of records), there are insert records and update records, the

People often encounter coalesce functions, and most of them regard them as a more effective form of isnull. In fact, I found that it is a very useful function, but there are only a few documents. In this article, I will show you the basic usage of

I:Multiple: List ls = session. createquery ("from classroom"). List ();   Session. Get ()/load ()1 outer-join = "true"Fetch = "join"Lazy = "false"These three attributes only apply to the preceding method.Fetch outer-join lazyBytes ------------------

Java transactions (7): java transactions I. Preface: Before writing this blog, we need to understand two concepts: local transactions and distributed transactions. Local transactions: only process a single data source, such as a single

In actual application, multiple insert statements may be executed at a time. I know two ways to share with you: 1. Write the statement block in tools such as PLSQL between begin end, for example: Begin Insert into table values (....); Insert

Ke leyi adopts the C #. Net Language for compiling and has powerful functions. You can use the SQL Server Connector class to efficiently and conveniently access the SQL database. Ke leyi contains three parts: execution of simple SQL statements,

Hibernate3.6 documents notes on transactions and concurrency policies   Possible life cycles of hibernate sessions: 1. Operation (execution of an SQL statement) 2. Request 3. Open Session in view (derived from request) 4. Conversion Work Unit:

Statement execute () and other methods can only execute one SQL statement at a time. If Multiple SQL statements are to be executed at the same time, you can use addbatch () the method will only contain the SQL statement and then execute the

Copy codeThe Code is as follows: using System; Using System. Collections; Using System. Collections. Specialized; Using System. Data; Using System. Data. OracleClient; Using System. Configuration; Using System. Data. Common; Using System.

We know that mysqli is a new MySQL interface provided in PHP 5, which uses the object-oriented idea. The code using the mysqli interface is more readable, and its execution efficiency is higher than that of the mysql interface. In addition, mysqli

Less-50Execute SQL statement We use the Mysqli_multi_query () function here, and we used the Mysqli_query (), the difference is that mysqli_multi_query () can execute multiple SQL statements, and Mysqli_ Query () executes only one SQL statement, so

PHPPDO for MYSQL encapsulation /** * Auther soulence * Call a data file * Modify 2015/06/12 */ Class DBConnect { Private $ dbname = null; Private $ pdo = null; Private $