Import multiple Excel sheets to a single PostgreSQL table

Want to import data from multiple Excel sheets to a single PostgreSQL table at a time?

Try Withdata FileToDB, a desktop Excel to PostgreSQL converter for Windows, MacOS, and Linux, Convert Excel to PostgreSQL, 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.
• Import Excel to PostgreSQL locally and privately, avoid uploading Excel file(s) to online services.
• Support Windows, Linux, and macOS.

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MacOS 64 bit

Import data from multiple Excel sheets to a single PostgreSQL table

Login to PostgreSQL -> Choose Excel file -> Set PostgreSQL table -> Import multiple Excel sheets to PostgreSQL

Choose PostgreSQL and logon.

Click “Wizard – 1 File To 1 Table” at task dialog.

Select the “Excel” file type.

then show the wizard.

1. Open Excel file, set “Sheet” to “All”.

2. Select a PostgreSQL table and config fields.

3. Preview data will be in PostgreSQL table.

4. Import multiple Excel sheets to a single PostgreSQL table.

View imported data in PostgreSQL table

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More about Excel to PostgreSQL converter

EXCEL → PostgreSQL reference

Type mapping

Value kind	in EXCEL	in PostgreSQL
Int	1234 (a real numeric cell)	integer
Bigint	9007199254740993 (exact only while the cell stays text)	bigint
Decimal	1234.56 (numeric cell, format controls the displayed decimals)	numeric(p,s)
Float	1.234E+10 (numeric cell)	double precision
Text	text cell; leading zeros survive only if the column is text	varchar(n)
Long text	text cell; wraps inside the cell rather than the row	text
Date	a serial number plus a date cell format	date
Datetime	a serial number plus a date-time cell format	timestamp
Binary	not representable as data	bytea
Boolean	TRUE / FALSE (a real boolean cell)	boolean
JSON	a text cell; the quotes are part of the value	jsonb

Dialect differences

EXCEL is a file format and PostgreSQL is a database server, so the target has to be told the types the file never carried - the rows below are where the two sides diverge.

Property	in EXCEL	in PostgreSQL
port	—	5432
identifiers	Not applicable; a cell holds exactly one value	"double quotes"
row limit	—	LIMIT n
dates	Stored as a serial number; only the cell format makes it lo...	timestamp, timestamptz, date, time
long text	—	TEXT
binary	Only as text or an embedded object, not as a data column	BYTEA
separator	Cells, not delimiters	—
encoding	UTF-8 internally, declared in the package	—
typing	Real cell types: text, number, date, boolean, error	—
shape	Multiple sheets, each a flat grid	Tables of rows and columns
ceiling	1,048,576 rows x 16,384 columns per sheet; 255 sheets per w...	—

Command line

Side	Command
PostgreSQL	pg_dump or COPY ... TO
PostgreSQL (load)	COPY ... FROM

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