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曹宇对新发布的 openGauss oGRAC 多写架构进行了详细解读,他表示多写技术是当前数据库行业的技术高峰,介绍了 openGauss 要走向多主的原因,未来的多读多写架构将极大提高业务可靠性、性能以及资源利用率。
SQL injection has been a major security risk since the early days of the internet. Find out what's at risk, and how cybersecurity pros can defend their organizations.
A message appears at the top of the SQL Editor window to indicate which SQL is being used. If you need to use a different set of tables, you can create a new Query Manager or talk to your SAS Support ...
Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax ...
What’s your average success rate of getting a SQL statement right on the first try? In best case, you botched a simple statement without side effects and just have to try again with correct ...
I'd like to know that a NULL is going to be inserted into a non-nullable field on one row via RAISEERROR, skip that row's update, and then allow the SQL statement to continue.
Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.
SQL Server 2016 lets you treat JSON objects like rows in a table, allowing you to use data from AJAX queries in joins, updates and any other SQL statement you can think of.
The DESCRIBE TABLE statement writes a CREATE TABLE statement to the SAS log for the table specified in the DESCRIBE TABLE statement, regardless of how the table was originally created (for example, ...
Microsoft continues to make positive strides in the world of open source. The company once considered open source software to be an anathema, but now it's common for Microsoft to pull software ...