SAP HANA 数据库– SQL 参考手册
比较谓词 ....................................................................................................................................... 29
范围谓词 ....................................................................................................................................... 29
In 谓词 .......................................................................................................................................... 29
Exists 谓词 ..................................................................................................................................... 29
NULL 谓词 ..................................................................................................................................... 30
CONTAINS 谓词 ............................................................................................................................. 30
操作符 .................................................................................................................................................. 33
一元和二元操作符 ....................................................................................................................... 33
操作符优先级 ............................................................................................................................... 33
算术操作符 ................................................................................................................................... 34
字符串操作符 ............................................................................................................................... 34
比较操作符 ................................................................................................................................... 35
逻辑操作符 ................................................................................................................................... 35
集合操作符 ................................................................................................................................... 35
表达式 .................................................................................................................................................. 36
Case 表达式 .................................................................................................................................. 36
Function 表达式 ............................................................................................................................ 36
Aggregate 表达式 .......................................................................................................................... 37
表达式中的子查询 ....................................................................................................................... 37
SQL 函数 ............................................................................................................................................... 39
介绍 .............................................................................................................................................. 39
数据类型转换函数 ....................................................................................................................... 39
CAST ...................................................................................................................................... 39
TO_ALPHANUM ..................................................................................................................... 39
TO_BIGINT ............................................................................................................................. 40
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