https://www.runoob.com/mysql/mysql-functions.html CONCAT & AS https://www.runoob.com/?s=sql+concat https://www.runoob.com/sql/sql-alias.html MySQL 函数 CONCAT(s1,s2...sn)字符串 s1,s2 等多个字符串合并为一个字符串 https://www.runoob.com/mysql/mysql-functions.html MySQL 存储过程 http...
Databricks SQL Databricks Runtime 提取str中与regexp表达式匹配的、对应于regex组索引的所有字符串。 语法 regexp_extract_all(str, regexp [, idx] ) 参数 str:匹配的STRING表达式。 regexp:具有匹配模式的STRING表达式。 idx:大于或等于 0 的可选整数表达式,默认值为 1。
String Functions Date Functions Type Conversion Logical Functions Aggregate Functions Pass-Through Functions (RAWSQL) User Functions Table Calculation Functions Spatial Functions Predictive Modeling Functions Additional Functions FORMAT() Function Workarounds in Tableau All Functions (Categorical...
Transact-SQL (T-SQL) Reference Date & time hierarchyid methods (database engine) Numeric String & binary Spatial geography & instances (geography Data Type) Spatial geometry & instances (geometry Data Type) Data types XML DBCC Functions
The PostgreSQL database is delivered with a set of crosstab table functions to pivot data (documentation). You can’t catch up on 20 years of SQL evolution in one day. Subscribe the newsletter via E-Mail, Bluesky or RSS to gradually catch up and to keep modern-sql.com on your radar...
SQL Server check if ( ROW_NUMBER() OVER(ORDER BY Id) = 1 ) first, it means ( Id = 1001 ) Then check if ( Id = 1002 ) In this order the output will be empty. So we have a paradox. This example shows why we cannot use Window Functions in WHERE clause. You can think more ...
To learn more about auto-exist and its effect on calculations, see Microsoft MVP Alberto Ferrari's Understanding DAX Auto-Exist article on sql.bi.com. The following table describes how you can use the ALL and ALLEXCEPT functions in different scenarios. Expand table Function and usageDescription...
SQL database in Microsoft Fabric Returns the union ofsys.sql_modulesandsys.system_sql_modules. The view returns a row for each natively compiled, scalar user-defined function. For more information, seeScalar User-Defined Functions for In-Memory OLTP. ...
ndb_delete_all-cconnection_stringtbl_name-ddb_name This deletes all rows from the table namedtbl_namein the database nameddb_name. It is exactly equivalent to executingTRUNCATEdb_name.tbl_namein MySQL. Options that can be used withndb_delete_allare shown in the following table. Additional ...
Several SQL Server Management Studio templates are available that show how to use the change data capture query functions. These templates are available on theViewmenu in Management Studio. For more information, seeTemplate Explorer. This example shows theEnumerate All Changes for Valid Range Template...