Specifies field criteria that must be met by each record to be included in the results. No ORDER BY Specifies how to sort the results. No GROUP BY In a SQL statement that contains aggregate functions, lists fields that are not summarized in the SELECT clause. ...
SQL - Date & Time SQL - Cursors SQL - Common Table Expression SQL - Group By vs Order By SQL - IN vs EXISTS SQL - Database Tuning SQL Function Reference SQL - Date Functions SQL - String Functions SQL - Aggregate Functions SQL - Numeric Functions ...
viii Data Lake Insight SQL Syntax Reference 1 Spark SQL Syntax Reference 1 Spark SQL Syntax Reference 1.1 Common Configuration Items of Batch SQL Jobs This section describes the common configuration items of the SQL syntax for DLI batch jobs. Table 1-1 Common configuration items Item Defa ult ...
SQL Syntax Overview - Learn the essential SQL syntax for creating, querying, and managing databases effectively. Understand key concepts and commands in SQL.
User-Defined Functions Built-in Functions Basic SELECT Statements Filtering Sorting Grouping JOIN Subquery Alias Set Operations WITH...AS CASE...WHEN OVER Clause 1.1 Common Configuration Items of Batch SQL Jobs This section describes the common configuration items of the SQL syntax for DLI batch ...
Aggregate functions like SUM(), AVG(), MIN(), and MAX() will also be understood by all popular database types, including SQL Server, MySQL, PostgreSQL, SQLite, and Oracle. Here's a query that should work with any database: Select c.customer_id, c.customer_name, SUM(p.amount) AS ...
SQL Server Yukon Beta 1 introduces the new TRY/CATCH construct for error handling in T-SQL. This construct allows you to trap transaction abort errors, even those that would have caused a batch to terminate in previous versions of SQL Server (conversion errors, deadlocks, and so on). The ...
Regular functions. Aggregate functions. Some aggregate functions can contain two lists of arguments in brackets. For example: These aggregate functions are called "parametric" functions, and the arguments in the first list are called "parameters". ...
LEAD is a value function in SQL which is used to fetch next subsequent values based on a physical offset. It helps in comparing data present in the same column but in different rows. Hence, it helps us in performing a myriad of analytical functions without performing any self-joins. ...
SQL HAVING The HAVING clause was added to SQL because the WHERE keyword could not be used with aggregate functions. SQL EXISTS The EXISTS operator is used to test for the existence of any record in a subquery. The EXISTS operator returns true if the subquery returns one or more records. ...