Some DQL tables have their foreign key tables. When the foreign key table’s primary key values are unique and the key fiin-memory table,table sequence
l Problem An enterprise is planning to allocate the welfare houses with low price to its married couple employees,who areplace,table sequence,file,import,keys,switch,new,select
l Problem The table below is an employee info list of a company. Employees in the company transfer regularly due to busgroup,table sequence,loop,file,import,keys,switch,new,sum,for
l Problem This is a database problem that occurs in a department store. A database of the department store contains twoloop,table sequence,file,import,create,group,insert
This chapter lists code examples of handling table sequences and records, including Create an empty table sequence, Judgtable sequence, record
Here’s how to use alter() functions.table sequence,alter,field
Description: Perform the logical AND operation over members of a sequence. Syntax: A.cand(x) cand(x1,…,xn) Equivalent table sequence,logical and,boolean vlaue
Description: Query data stored in DynamoDB. Syntax: dynadb.query(sql) dynadb.query(A,sql) Note: The external library funquery,dynamodb,table sequence
Description: Execute head command and return a table sequence. Syntax: es_head (fd, endpoint) Note: The external libraryexecute head,table sequence
Description: Execute the get command and return a table sequence or a cursor. Syntax: es_get(fd, endpoint, entity，headerexecute get,table sequence,cursor