说明:Convert the first letter of each word to uppercase and the rest to lowercase. Words are sequences of alphanumeric characters separated by non-alphanumeric characters. 将字符串所有的单词进行格式化,首字母大写,其它为小写 例子:initcap('hi THOMAS') = Hi Thomas 函数:length(string) 说明:Number ...
函数:initcap(string)说明:Convert the first letter of each word to uppercase and the rest to lowercase. Words are sequences of alphanumeric characters separated by non-alphanumeric characters. 将字符串所有的单词进行格式化,首字母大写,其它为小写 例子:initcap('hi THOMAS') = Hi Thomas 函数:length(...
说明:Convert the first letter of each word to uppercase and the rest to lowercase. Words are sequences of alphanumeric characters separated by non-alphanumeric characters. 将字符串所有的单词进行格式化,首字母大写,其它为小写 例子:select initcap('I AM PMARs'); = "I Am Pmars" 函数:length(str...
To convert the case of a string in Postgres, you must use one of the following functions: UPPER():This function converts all string characters to uppercase. SELECTUPPER(col_name)FROMtable_name; LOWER():It converts all characters/letters in a string to lowercase. SELECTLOWER(col_name)FROMt...
The PostgreSQL lower function is a built-in function used to convert all uppercase characters in a given string to lowercase. This function is particularly useful for case-insensitive comparisons, data normalization, and ensuring consistency in string data across your database.Uses of LOWER() ...
例子：bit_length('jose')=32 函数：char_length(string)orcharacter_length(string) 说明：Numberofcharactersinstring计算字符串中字符个数 例子：char_length('jose')=4 函数：lower(string) 说明：Convertstringtolowercase转换字符串为小写 例子：bit_length('jose')=32
mon Abbreviated Lowercase Month Name MM Month Number (01-12) For more Timestamp template patterns, you can refer to PostgreSQL’s official doc. The default format of the timestamp value is as follows: SELECT TO_TIMESTAMP('2022-07-28 07:50:10', 'YYYY-MM-DD HH:MI:SS'); SELECT now(...
{"schema-name":"%","table-name":"%"},"rule-action":"convert-lowercase","value":null,"old-value":null},{"rule-type":"selection","rule-id":"566111704","rule-name":"566111704","object-locator":{"schema-name":"dbo","table-name":"%"},"rule-action":"include","filters": [] }...
-- Apply the REPLACE() function to the result of the LOWER() and TRIM() functions SELECT REPLACE( -- Convert the trimmed string to lowercase using the LOWER() function LOWER( -- Remove leading and trailing spaces from the string using the TRIM() function ...
private: /* Special memory segment to speed up bytea/Text allocations. */ MemoryContext segments_cxt; char *segment_start_ptr; // 当前还有剩余空间内存段起始位置 char *segment_cur_ptr; // 当前还有剩余空间内存段已分配位置 char *segment_last_ptr; // 当前还有剩余空间内存段结束位置 ...