In PostgreSQL, we use the SUBSTRING function to remove the last two characters: SELECT SUBSTRING(name FROM 1 FOR LENGTH(name) - 2) AS modified_name FROM Departments;Copy This query extracts a substring from the name column, starting from the first character up to two characters before the en...
In Standard SQL, we can use the translate() function to remove a character from a string. The function syntax is as shown: TRANSLATE(expression, source_characters, target_characters) The function will replace each character specified in the source_characters parameter with the corresponding target_...
If pad is not specified, str will be padded to the left with space characters if it is a character string, and with zeros if it is a byte sequence. lpad(str, lenl,padl)-返回str,用pad左填充到len的长度如果str比len长,则返回值缩短为len字符或字节。如果未指定pad,如果是字符串,str将在...
'VARCHAR', 'VARCHARACTER', 'VARIABLES', 'VARYING', 'VIEW', 'VIRTUAL', 'WAIT', 'WARNINGS', 'WEEK', 'WEIGHT_STRING', 'WHEN', 'WHERE', 'WHILE', 'WITH', 'WITHOUT', 'WORK', 'WRAPPER', 'WRITE', 'X509', 'XA', 'XID', 'XML', 'XOR', 'YEAR', 'YEAR_MONTH', 'ZEROFILL' ] ...
· 错误:1300 SQLSTATE: HY000 (ER_INVALID_CHARACTER_STRING) 消息:无效的%s字符串: '%s' · 错误:1301 SQLSTATE: HY000 (ER_WARN_ALLOWED_PACKET_OVERFLOWED) 消息:%s()的结果大于max_allowed_packet (%ld),已截短 · 错误:1302 SQLSTATE: HY000 (ER_CONFLICTING_DECLARATIONS) ...
within a string literal keyword or value are preserved. Single or double quotation marks may be used within a connection string without using delimiters (for example, Data Source= my'Server or Data Source= my"Server), unless a quotation mark character is the first or last character in the ...
KINESIS_RECORD_SEQ_NUMBER_ORDER_VIOLATION、MALFORMED_CHARACTER_CODING、PS_FETCH_RETRY_EXCEPTION、PS_INVALID_KEY_TYPE、PS_INVALID_UNSAFE_ROW_CONVERSION_FROM_PROTO、PS_MOVING_CHECKPOINT_FAILURE、PS_MULTIPLE_FAILED_EPOCHS、PS_OPTION_NOT_IN_BOUNDS、PS_UNABLE_TO_PARSE_PROTO、STAGING_PATH_CURRENTLY_...
In addition, we can use the RIGHT() function with theLENGTH()function to remove the firstncharacters from a string or column by extracting all characters from the right after thenth character: RIGHT(Column, LENGTH(Column) - n) whereColumnis the column’s name to extract or remove characters...
NAMECEILCEILINGCENTROIDCHAINCHANGECHANNELCHARCHARACTERCHARSETCHECKCHECKSUMCIPHERCLASS_ORIGINCLIENTCLOSECOALESCE...
Specify a parameter name by using an at sign (@) as the first character. The parameter name must comply with the rules for identifiers. Parameters are local to the function; the same parameter names can be used in other functions. Parameters can take the place only of constants; they can...