Batch convert TXT files to SQL files

Shiji Pan

1 year ago

Want to batch convert TXT files to SQL files?

Try Withdata Data File Converter, a desktop TXT to SQL converter for Windows, MacOS, and Linux, Batch convert TXT to SQL, Easy and Fast.

Can run in GUI mode, Step by Step, just a few mouse clicks.
Can run in Command line, for Scheduled Tasks and Streams.
Convert files locally and privately, avoid uploading large TXT file(s) to online services.
Support Windows, Linux, and macOS.

Click “Start a New Convert” at task dialog.

then show the wizard.

Select From “Files” “TXT” To “Files” “SQL”.

And config the first source TXT file.

List source TXT files.

After converting, you can view output SQL files.

TXT → SQL reference

Value kind	in TXT	in SQL
Int	`1234, or right-aligned in a fixed-width column`	`INT`
Bigint	`9007199254740993`	`BIGINT`
Decimal	`1234.56`	`DECIMAL(p,s)`
Float	`1.234e+10`	`DOUBLE PRECISION`
Text	`written as-is; padding depends on the chosen layout`	`VARCHAR(n)`
Long text	`written as-is`	`TEXT / CLOB`
Date	`whatever the writer chose`	`DATE`
Datetime	`whatever the writer chose`	`TIMESTAMP`
Binary	`not representable`	`BLOB / BYTEA`
Boolean	`Y / N, or 1 / 0, or TRUE / FALSE`	`BOOLEAN / SMALLINT`
JSON	`written as-is`	`JSON / TEXT`

Both TXT and SQL are file formats, so what differs below is how each one chooses to represent a value.

Property	in TXT	in SQL
identifiers	`None by convention`	`Two competing conventions: single-quoted literals and diale...`
dates	`Whatever the writer produced; no convention is guaranteed`	`Depends on the dialect: DATE literals, TO_DATE(), or plain ...`
binary	`Not supported`	`Dialect-specific: X-quoted literal, 0x hex, or decode()`
separator	`Whatever was chosen - often fixed column widths`	`Statement terminators (;)`
encoding	`No declaration - UTF-8 works only with a BOM`	`No declaration`
typing	`None - every field is text`	`Types belong to the target database, and they differ betwee...`
shape	`Free form; a parser has to be told the layout`	`Statements; a dump usually means CREATE TABLE plus INSERT rows`
ceiling	`No formal limit`	`No formal limit, but a single INSERT statement has to fit i...`

For batch jobs, large files and scheduling use the Data File Converter converter — an offline desktop app for Windows, Linux and macOS. Free trial.