sql datetime format codes

In MySQL for the time of the storage of their own table is set when the varchar type, it feels very convenient.Yesterday took someone else to build a table to write code, found that the time type of the table is DateTime, with the feeling of a try

Storage Implementation of batch insert scripts for data rows in SQL Server, I accidentally saw an article written by a friend, "how to generate the INSERT statement stored procedure in batches based on the data in the table ". I carefully read the

Meta-data functions db_idGets the database unique identity, which is the unique identity on the serverGrammatical structure: db_id ([' database_name '])Parameter description: database_name is the database name and is an optional parameter. Returns

All messages sent by the PostgreSQL server are given a five-character error code that follows the custom of the SQL "SQLSTATE" code. Apps that need to know what error conditions are occurring should usually test the error code instead of the text

The name of the class that implements Java.sql.Driver in MySQL connector/j is ' com.mysql.jdbc.Driver '. The ' Org.gjt.mm.mysql.Driver ' class name is also usable to remain backwards-compatible with MM. Mysql. You are should use this class name when

If you want to prevent SQL injection, you can only filter the input parameters. For example, you can convert a single quotation mark (') into two single quotation marks (''). however, this approach is not safe. Hackers can bypass single quotes

Looking for a ready-made function, I found that SQL Server users are lazy than me, and I don't even have this basic function! Good, because all I need is the serial number and it will be reset every month, and the maximum ordinal number will not

If you want to prevent SQL injection, you can only filter the input parameters. For example, you can convert a single quotation mark (') into two single quotation marks (''). however, this approach is not safe. Hackers can bypass single quotes

1.1 SQL Overview 1.1.1 SQL statement IntroductionStructured Query Language (structured query Language) is referred to as SQL, which is the specification that the relational database management system should follow. Different database Manufacturers

Q: Ask an SQL 2000 sever question: Select * From itemcode Where code like '20140901' How to Set code = 40101001 To code = 401-01-001 Currently, 666 codes are similar to 40101001 Which statement can be used to convert it to 401-01-001? A:Update