OR ） CASE WHEN sex = ‘1’ THEN ‘男’ WHEN sex = ‘2’ THEN ‘女’ ELSE ‘其他’ END...
又如: update xxxx_xxxx set xxx_type= CASE WHEN xxx_type = '0' THEN 'YXLX-0' WHEN xxx_type= '1' THEN 'YXLX-1' WHEN xxx_type= '2' THEN ...
报错:Update row with Key (id)=(xxxx) multiple times或者duplicate key value violates unique constraint 问题原因:违反唯一性约束,执行UPDATE、INSERT ON CONFLICT或INSERT操作时,主键存在重复数据。 解决方法: 若INSERT语法报错:可以改为INSERT INTO xx ON CONFLICT的语法,实现主键去重,详情请参见INSERT ON CONFLIC...
Array data type in SQL server Array's IN SQL SERVER? ASCII values for extended characters Assign empty string '' if datetime is null Assign EXEC output to Variable Assigning NULL value to column name using Case Statement of where is SQL SERVER 2008 atomic if not exists() and insert or upd...
当前用户帐户是用 SETUSER 或 SP_SETAPPROLE 调用的。不允许更改数据库。 506 16 否 在%ls 谓词中指定的转义符 "%.*ls" 无效。 507 16 否 SET ROWCOUNT 的参数无效。必须是非 Null 非负整数。 509 11 否 找不到用户名 '%.*ls'。 510 16 否 无法创建比允许的最大值还大的工作表行。请用 ROBUST ...
I was trying the CASE WHEN in the WHERE clause of the SQL query, but not being a SQL expert, I wasn't successful with this method - I was able to get it to work with one entry, but not multiple values '66200, 66201' or blank (all values)) ...
SQL>insertinto users(id,name)values(1,'张一');1row inserted SQL>insertinto users(id,name,sex)values(2,'张二',1);1row inserted SQL>insertinto users(id,name)values(3,'张三');1row inserted SQL>insertinto users(id,name)values(4,'张四');1row inserted ...
(SQL_ATTR_CONCURRENCY语句属性可以为动态游标SQL_CONCUR_VALUES。SQL_CA2_SENSITIVITY_ADDITIONS = 添加的行对动态游标可见;游标可以滚动到这些行。 (这些行添加到游标的位置依赖于驱动程序。SQL_CA2_SENSITIVITY_DELETIONS = 已删除的行不再可用于动态游标,并且不会在结果集中留下“洞”;动态游标从已删除行滚动后,...
CASE表达式有两种不同的格式:简单和搜索。每种类型都有略微不同的格式,如图1所示。 图1:CASE语法的表达 By reviewing the two different formats for the CASE expression in Figure 1 you can see how each format provides a different way to identify one of multiple expressions that determine the results...
c11bff2c-e337-cafb-f3ee-298184307df3, matchfield]) -> Calc(select=[UPPER(funcName) AS EXPR$0, flink, mykey, isSuccess, mytimestamp, ((mytype = 1) CASE _UTF-16LE'ONE' CASE (mytype = 2) CASE _UTF-16LE'TWO' CASE null:CHAR(3) CHARACTER SET "UTF-16LE") AS mytype, (mydata...