SQL_CCS_CREATE_CHARACTER_SETSQL_CCS_COLLATE_CLAUSESQL_CCS_LIMITED_COLLATIONSQL-92 完全一致性驱动程序将始终按支持返回所有这些选项。 返回值为“0”表示 不支持 CREATE CHARACTER SET 语句。 SQL_CREATE_COLLATION 3.0 一个SQLUINTEGER 位掩码,用于枚举 CREATE COLLATION 语句中的子句,如数据源支持的 SQL-92 ...
("max", "最大值"), MIN("min", "最小值"), AVG("avg", "平均值"), SUM("sum", "求和"), ; private final String value; private final String name; /** * 根据值获取枚举 * * @param value 值 * @return {@link AggregationType} */ public static AggregationType findByValue(String ...
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...
打开spark-shell/export/servers/spark/bin/spark-shell 创建RDDval lineRDD=sc.textFile("hdfs://node01:8020/person.txt").map(_.split(" "))//RDD[Array[String]]3.定义caseclass(相当于表的schema)caseclassPerson(id:Int,name:String,age:Int)4.将RDD和caseclass关联 val personRDD=lineRDD.map(x=...
在使用PHP连接MySQL的时候,当设置“set character_set_client = gbk”时会导致一个编码转换的问题。会使用addslashes()函数在指定的预定义字符前添加反斜杠,这些字符是单引号('),双引号("),反斜线(\)与NUL(NULL字符)。例如客户端提交的参数中如果含有单引号,双引号等这些特殊字符,addslashes函数则会在单引号前加...
lpad(str, len[, pad]) - Returns str, left-padded with pad to a length of len. If str is longer than len, the return value is shortened to len characters or bytes. If pad is not specified, str will be padded to the left with space characters if it is a character string, and wi...
Find Number of Occurences of character in Given String Find object owner Find partitions, row count of each partition of a partition table Find root of each ID in tree table SQL Find rows divisible by amount find table names of the index names in sql server 2000 Find the Bad Row: Arithmet...
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...
注:You can use the LENGTH function to find the number of characters in a string。 4、Show the name and the capital where the first letters of each match. Don't include countries where the name and the capital are the same word.
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_...