更新时间:2024-12-10 GMT+08:00
字符串函数
CHAR函数
输入:CHAR
1
|
CHAR( expression1 ) |
输出:
1
|
LENGTH( expression1 ) |
CHARACTERS函数
输入:CHARACTERS
1
|
CHARACTERS( expression1 ) |
输出:
1
|
LENGTH( expression1 ) |
INDEX
输入:INDEX
1 2 3 |
SELECT INDEX(expr1/string, substring) FROM tab1 WHERE … ; |
输出:
1 2 3 |
SELECT INSTR(expr1/string, substring) FROM tab1 WHERE … ; |
STRREPLACE
输入:STRREPLACE
1 2 3 |
SELECT STRREPLACE(c2, '.', '') FROM tab1 WHERE ...; |
输出:
1 2 3 |
SELECT REPLACE(c2, '.', '') FROM tab1 WHERE ...; |
OREPLACE
输入:OREPLACE
1 2 3 |
SELECT OREPLACE (c2, '.', '') FROM tab1 WHERE … ; |
输出:
1 2 3 |
SELECT REPLACE(c2, '.', '') FROM tab1 WHERE … ; |
STRTOK函数
输入:
1
|
LENGTH(STRTOK(STRTOK(JOB_NAME_TADD,'-',4),'_',2)) |
输出:
1
|
LENGTH(split_part(split_part(JOB_NAME_TADD,'-',4),'_',2)) |
父主题: 函数和操作符