SQL查询中带有ON子句的Use Case语句 是用于在关系型数据库中进行数据查询和筛选的一种语句。它通常用于连接两个或多个表,并根据指定的条件进行数据匹配和过滤。 ON子句是在使用JOIN操作时使用的,它指定了连接两个表的条件。ON子句中的条件可以是等值比较、不等值比较、范围比较等,用于确定两个表之间的关联关系。
他给的示例SQL如下： select HName,case when IsEnable=1 then '启用' else '停用' from tb_User ...
[TUKAN_TOKUISAKI_INP] = @TUKAN_TOKUISAKI_INP, [NINUSIKIJI] = CASE WHEN( P.[NINUSIKIJI] IS NULL OR P.[NINUSIKIJI] = '' ) THEN @NINUSIKIJI ELSE P.[NINUSIKIJI] END, [NINUSISECCD] = (CASE WHEN( P.[NINUSISECCD] IS NULL OR P.[NINUSISECCD] = '' ) THEN @NINUSISECCD ELSE...
Use CASE WHEN statement in SELECT /* mysql> SELECT Name, RatingID AS Rating, -> CASE RatingID -> WHEN 'R' THEN 'Under 17 requires an adult.' -> WHEN 'X' THEN 'No one 17 and under.' -> WHEN 'NR' THEN 'Use discretion when renting.' -> ELSE 'OK to rent to minors.' -> ...
SELECT CASE WHEN condition1 THEN result1 ELSE result2 END AS condition, COUNT(1) AS count FROM table_name GROUP BY CASE WHEN condition1 THEN result1 ELSE result2 END Insert statement with CASE in SQL You can use the CASE expression to insert data into a SQL Server table. The INSERT sta...
You can also use ES functions in SQL. Check out our wiki! explain example Web frontend overview SETUP Install as plugin: Versions elasticsearch versionlatest versionremarksbranch 1.x 1.7.6 tested against elastic 1.7.6 elastic1.x 2.0.0 2.0.4 delete commands not supported elastic2.0 2.1.0 2.1...
Query elasticsearch using familiar SQL syntax. You can also use ES functions in SQL.Check out our wiki!explain exampleWeb frontend overviewSETUPInstall as plugin: Versionselasticsearch versionlatest versionremarksbranch 1.x 1.7.6 tested against elastic 1.7.6 elastic1.x 2.0.0 2.0.4 delete commands...
However, in this case you need to have small and self-contained application where there are minimal interaction between products and other entities such as orders, customers, suppliers, etc. If these related entities are stored in the relational database, NoSQL is not an option because you ...
SQLDumper.exe primarily generates memory dump files for the SQL Server process when a memory dump is needed to resolve specific issues, such as exceptions, asserts, or non-yielding schedulers. In such cases, SQL Server invokes the SQLDumper.exe to generate a memory dump file of its process....
Query elasticsearch using familiar SQL syntax. You can also use ES functions in SQL.Check out our wiki!explain exampleWeb frontend overviewSETUPInstall as plugin: Versionselasticsearch versionlatest versionremarksbranch 1.x 1.7.6 tested against elastic 1.7.6 elastic1.x 2.0.0 2.0.4 delete commands...