Sql query to insert datetime in SQL Server

You will want to use the YYYYMMDD for unambiguous date determination in SQL Server. If you are married to the dd-mm-yy hh:mm:ss xm format, you will need to use CONVERT with the specific style. 5 here is the style for Italian dates. Well, not just Italians, but that’s the culture it’s attributed to in Books Online.

How can I do ‘insert if not exists’ in MySQL?

Use INSERT IGNORE INTO table. There’s also INSERT … ON DUPLICATE KEY UPDATE syntax, and you can find explanations in 13.2.6.2 INSERT … ON DUPLICATE KEY UPDATE Statement. Post from bogdan.org.ua according to Google’s webcache: 18th October 2007 To start: as of the latest MySQL, syntax presented in the title is not possible. But there … Read more

How can I prevent SQL injection in PHP?

The correct way to avoid SQL injection attacks, no matter which database you use, is to separate the data from SQL, so that data stays data and will never be interpreted as commands by the SQL parser. It is possible to create SQL statement with correctly formatted data parts, but if you don’t fully understand … Read more

What is difference between SQLite and SQL

Every SQL database uses its own implementation of the language that varies slightly. While basic queries are almost universal, there are notable nuances between MySQL, PostgreSQL, Microsoft SQL Server, Oracle Database, etc. What’s particularly notable about SQLite is that unlike all the others mentioned above, this database software doesn’t come with a daemon that queries … Read more

What represents a double in sql server?

Or if you want to go old-school: You can also use float(53), but it means the same thing as float. (“real” is equivalent to float(24), not float/float(53).) The decimal(x,y) SQL Server type is for when you want exact decimal numbers rather than floating point (which can be approximations). This is in contrast to the C# “decimal” data type, which … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)