Create index file for a composite table as using index can increase performance. Click CTX -> Index -> New to enter the index
esProc allows specifying one or more fields as a table sequence’s primary key, based on which certain functions make que primary key, index
The f. open() function is used to open a composite table saved as a file: A B 1 =file("D:/file/dw/employees.ctx") 2 composite table, access, create, attach, cursor, icursor, index,joinx
An entity table can be imported into the memory to become an in-memory table, which is used like a normal table sequencein-memory table, memory, len, keys, row, find, index