Here, theCASEstatement checks if theamountis greater than or equal to400. If this condition is satisfied, a new columnoffer_pricewill contain the values equal toamount - amount * 10/100. CASE With Multiple Conditions It is also possible to stack multiple conditions inside a singleCASEclause. ...
1.CASE 写法如下: CASE WHEN condition1 THEN result1 WHEN condition2 THEN result2 WHEN conditionN THEN resultN ELSE result END; 解释:1)先匹配第一条,不匹配的话继续第二条,如此循环,
public class SqlParse { public static void main(String[] args) { String sqlStr = "SELECT A.ID,B.ID FROM A LEFT JOIN B ON A.ID =B.ID LEFT JOIN C ON B.ID = C.ID"; //支持的数据库类型在DbType中的枚举值SQLStatementstmt = SQLUtils.parseSingleStatement(sqlStr, DbType.mysql); } ...
CASE表达式是用来判断条件的,条件成立时返回某个值,条件不成立时返回另一个值。 语法: CASEWHENComparsionConditionTHENresultWHENComparsionConditionTHENresultELSEotherEND (注:各分支返回的数据类型需一致。) (注:when子句一定要有排他性,因为当when子句为真时,剩余的when子句会被忽略。) CASE表达式的用途: 1,转换...
I have a stored procedure that uses case statement. Each When clause has an update statement. I am trying to call this stored procedure multiple times and based on the pass parameter, I run an update statement. Unfortunately, the update statement does not execute correctly. There are no chang...
UserStatement,MySqlAnalyzeStatement,MySqlBinlogStatement,MySqlCaseStatement,MySqlChecksumTableStatement,MySqlCheckTableStatement,MySqlClearPlanCacheStatement,MySqlCreateAddLogFileGroupStatement,MySqlCreateEventStatement,MySqlCreateExternalCatalogStatement,MysqlCreateFullTextAnalyzerStatement,MysqlCreateFullTextCharFilterStatement...
Access Code - DELETE Statement with DISTINCTROW and T-SQL Access Now() vs. T-SQL GETDATE() ? ADD and SUBTRACT depending on the condition is CASE STATEMENT ADD COLUMN to variable table? Add prefix in data column Add Time in SQL HH:MM:SS to another HH:MM:SS Adding a column to a lar...
Syntax for Transact-SQL multi-statement table-valued functions. syntaxsql 复制 CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS...
INVALID_STATEMENT_OR_CLAUSE、INVALID_WINDOW_SPEC_FOR_AGGREGATION_FUNC、LOCAL_MUST_WITH_SCHEMA_FILE、MERGE_WITHOUT_WHEN、MIGRATION_NOT_SUPPORTED、MISSING_CLAUSES_FOR_OPERATION、MV_ST_ALTER_QUERY_INCORRECT_BACKING_TYPE、NOT_ALLOWED_IN_FROM、NOT_ALLOWED_IN_PIPE_OPERATOR_WHERE、NOT_A_CONSTANT_STRING、NOT...
I have a stored procedure that uses case statement. Each When clause has an update statement. I am trying to call this stored procedure multiple times and based on the pass parameter, I run an update statement. Unfortunately, the update statement does not execute correctly. There are no chang...