The 'New SQL Requirement' function of Feisuan JavaAI, based on powerful natural language processing and SQL syntax parsing ...

全表扫描（Full Table Scan）是数据库查询中常见的性能杀手，尤其在数据量巨大的生产环境中，一条效率低下的 SQL 就足以引发连锁性的系统故障。为从根本上防范此类风险， 百度 智能云数据库在 MySQL 内核层面设计并实现了一套全表扫描动态管控机制，实现对低效 SQL 的实时检测、灵活拦截与预警记录，将运维控制权真正交到开发者以及 DBA 手中。

Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even ...

The DICTIONARY tables component is specified in the FROM clause of a SELECT statement. DICTIONARY is a reserved libref for use only in PROC SQL. Data from DICTIONARY tables are generated at run time.

Using the query from the last example, you can build a new table from the results of your latest query. Select OK to return to the SQL QUERY TABLES window. SAMPLE.WAGE is now in the list of Available ...

I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 minutes ...

Dynamic SQL lets you create a query string based off of user input. SQL Server allows you to create dynamic SQL statements. The statements use a SQL string varchar data type, then you execute the ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...

DBeaver is a free, open-source, cross-platform SQL client and database administration tool. It is designed to support a wide variety of SQL and NoSQL databases, including MySQL and PostgreSQL. Its key ...