How to create a FoxPro IDX file

index on to <.idx file>|tag

of <.cdx file>]

for ]compact]

ascending|descending]

unique]

additive]

Parameter explanation: index on to < idx file> Create a single index file, which is the input key-value expression, is the file name of a specified single index file.

index on tag creates a composite index file, which is the input key-value expression and the name of the "identified index".

of < cdx file >] specifies the file name of the unstructured index file.

for < expl >] creates conditionally filtered indexes on existing databases, which are conditional expressions.

compact] to create a single index file that is more efficient and compressed.

ascending|descending] to specify the tag and press [ascending|].descending].

unique] only puts the first record of multiple records with the same key-value range into the index file.

additive] When an index file is created using the index command, the previously opened index file (except for structured composite index files) is closed. If you do not want to close the previously opened index file, add the additive parameter.

Refer to the index command of the help file.

IDX file subtitle index, sub subtitle content, both must be used at the same time.

Subtitles are generally divided into two main categories:

1. Text subtitles: such as SRT, SSA, ASS, SUB, etc.;

2. Graphic subtitles: idx+rar, RAR is actually sub's winrar compressed file, mainly to save some hard disk space;

Among them, the most common types of subtitles are SRT, SSA and IDX+SUB, SRT and IDX+SUB subtitles are generally the dialogue subtitles of the film, and SSA subtitles are special effect subtitles, which are often used as watermarks in the pressing process.

IDX: Microsoft FoxPro related database index file; Symantec Q&A-related database index files; Microsoft Outlook Express file.

Divided into free tables and database tables Free tables have normal indexes, unique indexes, and candidate indexes Database tables have primary indexes, normal indexes, unique indexes, and candidate indexes Common indexes are unique indexes that are set for easy sorting, mainly for docking with previous versions, and can only be used when special programming.

**Use the md command.

md d:\mydir

cd d: mydir &&&This line is a cd command.

md prg

md data

md d:\mydir\test

You can build a program, and give you a simple one, for example, the username is Zhang San, and the password is 1234

accept "Please enter your username:" to nameaccept "Please enter your password:" to passn=1do while .t

if name="Zhang San"

if pass="1234"

Congratulations! “exitelse

Wrong password! "

n=n+1endif

else"Wrong username! "

n=n+1endif

if n=3

If you do more than three times, the system bans you from logging in! "

exitelse

clear"Please re-enter:"

accept "Please enter your username:" to nameaccept "Please enter your password:" to passendif

enddoreturn

Make a form, and then generate a ** and you're done.