Want to export data from DB2 table to SQL file for upserting?
Upsert: inserts rows into a table if they do not already exist, or updates them if they do.
Try Withdata DBToFile, a DB2 to SQL converter for Windows, Linux, and macOS, Export DB2 data to SQL, Easy and Fast.
Export data from DB2 table to SQL file for upserting
Choose DB2 and logon.
Click “Export From Table” at task dialog.
Select SQL file type.
1. Select DB2 table.
2. Enter data file name.
Set “Convert Mode” to “Upsert”, enter “Update Key”.
3. Set rows options.
4. Export.
After exporting, you can view output upserting SQL file.
You can schedule and automate this converting task by:
- Save session and create .bat (Windows) or .sh (Linux/macOS) file for “DB2 to SQL” conversion.
- Set scheduled task for “DB2 to SQL” conversion.
FAQ
More about Withdata DBToFile – DB2 to SQL converter
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DB2 → SQL reference
Type mapping
| Value kind | in DB2 | in SQL |
|---|---|---|
| Int | INTEGER | INT |
| Float | DOUBLE | DOUBLE PRECISION |
| Long text | CLOB | TEXT / CLOB |
| Binary | BLOB | BLOB / BYTEA |
| Boolean | SMALLINT | BOOLEAN / SMALLINT |
| JSON | CLOB | JSON / TEXT |
Dialect differences
DB2 is a database server and SQL is a file format, so the gap is wider than a dialect difference – the rows below are where values and structure stop lining up.
| Property | in DB2 | in SQL |
|---|---|---|
| port | 50000 | — |
| identifiers | "double quotes" | Two competing conventions: single-quoted literals and diale... |
| row limit | FETCH FIRST n ROWS | — |
| dates | DATE, TIME, TIMESTAMP | Depends on the dialect: DATE literals, TO_DATE(), or plain ... |
| long text | CLOB | — |
| binary | BLOB | Dialect-specific: X-quoted literal, 0x hex, or decode() |
| separator | — | Statement terminators (;) |
| encoding | — | No declaration |
| typing | — | Types belong to the target database, and they differ betwee... |
| shape | Tables of rows and columns | Statements; a dump usually means CREATE TABLE plus INSERT rows |
| ceiling | — | No formal limit, but a single INSERT statement has to fit i... |
Command line
| Side | Command |
|---|---|
| DB2 | EXPORT TO out.csv OF DEL |
| DB2 (load) | db2 IMPORT FROM file OF DEL |
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