create or replace function语法 create or replace function语法 “create or replace function”语法用于创建或替换数据库中的函数。此语法能有效管理和更新函数,满足不同业务需求。该语法关键词“create or replace”表明可覆盖已存在函数。“function”关键字明确了创建的是函数对象。函数名在语法中需遵循特定的命名...
1. "CREATE OR REPLACE FUNCTION"是用来创建或替换函数的关键字。 2. "function_name"是要创建或替换的函数的名称。函数名应该是唯一的,并且应该遵循数据库的命名规范。 3. "parameter1", "parameter2"等是函数的输入参数。每个参数由参数名称和参数数据类型组成。在函数中,我们可以使用这些参数来接收输入值,并根...
CREATE OR REPLACE FUNCTION CREATE OR REPLACE FUNCTION "F_GETRANGE" (inpar_sex peis_item.forsex%Type,inpar_itemid peis_item.itemid%Type,inpar_hosnum peis_item.hosnum%Type) return varchar2 is outpar_range varchar2(20); temp_mminval number; temp_mmaxval number; temp_wminval number; tem...
需求:现要求按分号“;”将rate_item列进行分割后插入到新的数据表中。 CREATEORREPLACEFUNCTIONfun_gp_test_xxx_20181026(v_monthint)RETURNSINTAS$BODY$declarev_numint; v_countint;beginv_num :=0; v_count :=1;whilev_count>0loop v_num :=v_num+1;selectcount(1)intov_countfromtemp_cwh_test_11...
sql语言CREATE OR REPLACE FUNCTION LANGUAGE c SQL语言是非过程化语言,SQL语言基础SQL特点:具有综合统一性格式统一,能够独立完成数据库使用过程中的数据录入、关系模式的定义、数据库的建立以及数据插入、删除、更新、数据库重构与数据库安全性、控制等一系列的要求。为
CREATEOR REPLACE FUNCTIONfunction-name( ,parameter-declaration )●RETURNS data-type2AS LOCATORdata-type3CAST FROMdata-type4AS LOCATOR option-list parameter-declaration INOUT1INOUTparameter-name data-type1 default-clause AS LOCATOR data-type1, data-type2, data-type3, data-type4 built-in-typedi...
In Transact-SQL statements such as SELECT In applications that call the function In the definition of another user-defined function To parameterize a view or improve the functionality of an indexed view To define a column in a table To define a CHECK constraint on a column To replace a stored...
CREATEOR REPLACEFUNCTIONfunction-name( ,parameter-declaration )RETURNS data-type2AS LOCATORdata-type3CAST FROMdata-type4AS LOCATOR option-listSET OPTION-statement parameter-declaration parameter-name data-type1 AS LOCATORXML-cast-type default-clause data-type1, data-type2, data-type3, data-type4...
sym(___,"clear")clears assumptions set on a symbolic variable or array. You can specify"clear"after the input arguments in any of the previous syntaxes, except combining"clear"andset. You cannot set and clear an assumption in the same function call tosym. ...
To retrieve an AUTO_INCREMENT value after inserting a row, use the LAST_INSERT_ID() SQL function or the mysql_insert_id() C API function. See Section 12.15, “Information Functions”, and mysql_insert_id(). If the NO_AUTO_VALUE_ON_ZERO SQL mode is enabled, you can store 0 in AUT...