Databricks SQL Databricks Runtime 11.3 LTS 和更新版本 如果expr1等於expr2或兩個運算式都是NULL,則傳回true,否則傳回false。 此函式與 = (eq sign) 運算子不同,方法是將 視為NULL可比較的值。 語法 複製 equal_null ( expr1, expr2 ) 引數 expr1:任何可比較類型的
SQL VARCHAR转INT用法及代码示例 SQL IN用法及代码示例 SQL IS NOT NULL用法及代码示例 SQL IS NULL用法及代码示例 SQL LIKE用法及代码示例 SQL DROP和TRUNCATE的区别用法及代码示例 SQL Server CHARINDEX()用法及代码示例 SQL Server DIFFERENCE()用法及代码示例 SQL Server IIF()用法及代码示例 SQL Server ASCII(...
已解决: nested exception is java.sql.SQLDataException: ORA-01476: divisor is equal to zero 问题 oracle 除零异常,且sql重复语句过多 思路 使用decode 或者 NULLIF 解决除零异常问题 原SQL case when冗余 可以用 case when in 简化 解决 在这个修改后的SQL语句中,NULLIF函数用于处理zzje、zxjje和jxjje计算...
We want to show NULL if actual sales is equal to sales goal, and show actual sales if the two are different. To do this, we issue the following SQL statement: SELECT Store_Name, NULLIF(Actual, Goal) FROM Sales_Data;Result: Store_Name NULLIF(Actual, Goal) Store A NULL Store B 40 ...
SQL database in Microsoft Fabric Tests whether one expression is not equal to another expression (a comparison operator). If either or both operands are NULL, NULL is returned. Functions the same as the<> (Not Equal To)comparison operator. ...
trueif the value of the first parameter is equal to the value of the second parameter. falseif the value of the first parameter is not equal to the value of the second parameter. trueif both parameters are null, or one parameter is null and the other parameter is 0. ...
SQL NULL – the value is missing or unknown VARIANT or JSON NULL – To distinguish JSON null values from SQL NULLs in the VARIANT string, they are stored as a "null" string. The IS_NULL_VALUE function accepts a variant argument and returns TRUE if the argument is a JSON NULL....
<= (Less Than or Equal To) <> (Not Equal To) !< (Not Less Than) != (Not Equal To) !> (Not Greater Than) Compound Logical :: (Scope Resolution) Relational operators String Operator precedence Transactions Variables Queries Statements ...
| 1 | 0 | NULL | NULL | NULL | +---+---+---+---+---+ 1 row in set (0.00 sec) Example: MySQL equal operator with WHERE clause The following MySQL statement will fetch the rows after checking whether the publisher belongs to the USA. Sample table: publisher Code: -- This qu...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric Compares two expressions (a comparison operator). When you compare ...