StreamExecutionEnvironment environment = StreamExecutionEnvironment.getExecutionEnvironment(); DataStreamSource<String> source = environment.readTextFile("data/dept.txt"); //所谓的字段重新排序就是查询出来的指定字段顺序可以自定义 StreamTableEnvironment.create(environment).fromDataStream(source,$("f1"))....
random() 需要ALTER ANY MASK 权限。 有关函数参数的信息,请参阅动态数据掩码。 FILESTREAM 适用于:SQL Server 2008 R2 (10.50.x) 及更高版本。 仅对varbinary(max) 列有效。 请为 varbinary(max) BLOB 数据指定 FILESTREAM 存储。 表中还必须包含一个具有 ROWGUIDCOL 特性的 uniqueidentifier 数据类型列。 此...
[ PARTITION = partition_number [ WITH ( <single_partition_rebuild_option> ] ] } | { SPLIT | MERGE } RANGE (boundary_value) | SWITCH [ PARTITION source_partition_number TO target_table_name [ PARTITION target_partition_number ] [ WITH ( TRUNCATE_TARGET = ON | OFF ) } [;] <column_...
| oboracle | TPCC | BMSQL_STOCK | tpcc_group | 1 | 0 | zone2 | 172.30.118.74 | 1 | RANDOM | 10000000 | 2382 | | oboracle | TPCC | BMSQL_WAREHOUSE | tpcc_group | 1 | 0 | zone2 | 172.30.118.74 | 1 | RANDOM | 100 | 2 | +---+---+---+---+---+---+---+...
SELECT RAND() AS RandomNumber The Rand function can also be supplied with an integer value (i.e. smallint, tinyint or int) to use as a random seed: SELECT RAND(@MyInteger) AS RandomNumber Creating Random Numbers in a Certain Numerical Range ...
(t1.stat_dt AS STRING)) | mem-estimate=16.00KB mem-reservation=0B spill-buffer=2.00MB thread-reservation=0 | tuple-ids=1 row-size=20B cardinality=1 | in pipelines: 01(GETNEXT), 00(OPEN) | 00:SCAN HDFS [db1.table1 t1, RANDOM] partition predicates: CAST(stat_dt AS STRING) >= '...
RANGE, RANK, RAW, READ, READS, REAL, RECURSIVE, REF, REFERENCES, REFERENCING, REGR_AVGX, REGR_AVGY, REGR_COUNT, REGR_INTERCEPT, REGR_R2, REGR_SLOPE, REGR_SXX, REGR_SXY, REGR_SYY, RELATIVE, RELEASE, REPEATABLE, RESET, RESTART, RESTRICT, RESULT, RETURN, RETURNED_CARDINALITY, RETURNED_LENG...
select output fromtable(dbms_workload_repository.awr_report_html(v_dbid,v_instance_number,v_min_snap_id,v_max_snap_id)); 相关查询试图: v$session (当前正在发生) v$session_wait(当前正在等待) v$session_wait_history (会话最近的10次等待事件) ...
import random def desensitization_location(location): length = random.randint(2, len(location)) str_desensitization = '' for i in range(0, length): str_desensitization = str_desensitization + '*' temp_str = location[0:length - 1] new_location = location.replace(temp_str, str_desensitizatio...
Dynamic SQL - creating a temp table with a name that includes a random number Dynamic SQL for Primary Key Declaration dynamic sql if condition Dynamic Sql Pivot- how to sort columns Dynamic SQL query cannot store more than 4000 characters even with NVARCHAR(MAX) dynamic sql single quotes dynami...