DSQL 的全称是动态结构化查询语言(Dynamic Structured Query Language),他是一种对结构化查询语言(SQL)的一种扩展。DSQL 基于DSL实现,并在其上封装了配置工厂,可轻松管理和解析复杂的 DSQL。DSQL与 DSL 一样,使用 : 加参数名表示普通参数,使用 # 加参数名表示嵌入参数,使用特殊字符 #[] 标记动态片段,当实际...
SQL_PROCEDURE_TERM 1.0 包含过程数据源供应商名称的字符串;例如,“database procedure”、“stored procedure”、“procedure”、“package”或“stored query”。 SQL_PROCEDURES 1.0 字符串:如果数据源支持过程,并且驱动程序支持 ODBC 过程调用语法,则为“Y”;否则为“N”。 SQL_QUOTED_IDENTIFIER_CASE 2.0 SQLUSM...
SQLRETURN SQLTables( SQLHSTMT StatementHandle, SQLCHAR * CatalogName, SQLSMALLINT NameLength1, SQLCHAR * SchemaName, SQLSMALLINT NameLength2, SQLCHAR * TableName, SQLSMALLINT NameLength3, SQLCHAR * TableType, SQLSMALLINT NameLength4); 引數 StatementHandle [輸入]擷取結果的語句控制碼。 Cata...
// 定义一个由处理时间属性的 table source public class UserActionSource implements StreamTableSource<Row>, DefinedProctimeAttribute { @Override public TypeInformation<Row> getReturnType() { String[] names = new String[] {"user_name" , "data"}; TypeInformation[] types = new TypeInformation[] ...
Support low code + workflow (dynamic class building, dynamic table building, non-entity multi-library compatible with CRUD, JSON TO SQL, custom XML, etc.) Support ValueObject, discriminator, repository, UnitOfWork, DbContext, AOP Documentation OtherSelectInsertUpdateDelete Nuget Query Insert Update ...
You can use the following custom SQL query to append the second table, December, to the first table, November: SELECT * FROM November UNION ALL SELECT * FROM December The result of the query looks like this in the data grid: For more information about the union option, see Union Your Da...
题目:Sam has to run a query dynamically & get the count in a variable and do some processing based on the count. Which of the following queries will return expected output? declare @tablevariable varchar(100) set @tablevariable = 'Employees' A) declare @sql varchar(100) Declare @cnt int...
| QUERYTRACEON <integer_value> | RECOMPILE | ROBUST PLAN | USE HINT ( 'hint_name' [ , ...n ] ) | USE PLAN N'<xml_plan>' | TABLE HINT ( <exposed_object_name> [ , <table_hint> [ [ , ] ...n ] ] ) | FOR TIMESTAMP AS OF '<point_in_time>' } <table_hi...
create(), database, difference_update_query(), drivername, get_backend_name(), get_dialect(), get_driver_name(), host, normalized_query, password, port, query, render_as_string(), set(), translate_connect_args(), update_query_dict(), update_query_pairs(), update_query_string(), ...
hive -S -e 'select table_cloum from table'-S,终端上的输出不会有mapreduce的进度,执行完毕,只会把查询结果输出到终端上。 hive修改表名:alter table old_table_name rename to new_table_name; hive复制表结构:create table new_table_name like table_name; ...