print(query.exec(create_table_sql)) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 在数据库中创建表格时,需要先构造query语句,然后实例化一个QSqlQuery类,使然后调用这个实例化之后的类的exec()方法,来执行构造好的query语句。在执行前,需要打开数据库。 另外query.exec()执行如果成功则会返回True,否则为False。
CREATETABLE[dbo].[WorkOut]([WorkOutID][bigint]IDENTITY(1,1)NOTNULL,[TimeSheetDate][datetime]NOTNULL,[DateOut][datetime]NOTNULL,[EmployeeID][int]NOTNULL,[IsMainWorkPlace][bit]NOTNULL,[DepartmentUID][uniqueidentifier]NOTNULL,[WorkPlaceUID][uniqueidentifier]NULL,[TeamUID][uniqueidentifier]NULL,[W...
# Base.metadata.create_all(bind=engine) # 建表 session = Session(bind=engine) # h = Human(name="king001", age=30, sex=1) # session.add(h) # Human.__table__ --->orm转经典类型 try: res = [] foriinrange(2,11): h = Human(name="king00{}".format(str(i)), age=i, sex...
CREATE TABLE { database_name.schema_name.table_name | schema_name.table_name | table_name } ( { <column_definition> | [ <table_constraint> ] [ ,... n ] | [ <table_index> ] [ ,... n ] } [ PERIOD FOR SYSTEM_TIME ( system_start_time_column_name , system_end_time_column_...
Only horizontal partitioning is currently supported with the CREATE TABLE AS statement. For more detail on the partitioning schemes and options seeCREATE TABLE (U-SQL): Creating a Table with Schema. Query_Expression Provides the query expression that defines the schema of the data and provides ...
createSQLQuery 执行多条sql SELECT DISTINCT column, AGG_FUNC(column_or_expression), … FROM mytable JOIN another_table ON mytable.column = another_table.column WHERE constraint_expression GROUP BY column HAVING constraint_expression ORDER BY column ASC/DESC...
Tip:For an overview of the available data types, go to our completeData Types Reference. SQL CREATE TABLE Example The following example creates a table called "Persons" that contains five columns: PersonID, LastName, FirstName, Address, and City: ...
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A local temporary table created within a stored procedure or trigger can have the same name as a temporary table that was created before the stored procedure or trigger is called. However, if a query references a temporary table and two temporary tables with the same name exist at that time...
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