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Results for “SQL”
Small, practical examples. Search by task or narrow things down below.
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Update a JSON property
Create updated JSON text with JSON_MODIFY.
JSON_MODIFY✓ Tested
Update a row on conflict
Use a primary key to insert or update one value.
upsert✓ Tested
Update one matching row
Change a value with an explicit filter.
UPDATE✓ Tested
Update one row using its primary key
Postgres: Use a precise WHERE condition to change only the intended row in a scratch table.
Postgres✓ Tested
Update rows selected by a related table
Postgres: Use EXISTS to limit updates based on an independent eligibility table.
Postgres✓ Tested
Update several classifications in one statement
Postgres: A CASE expression computes the new value for each row covered by the update predicate.
Postgres✓ Tested
Use a session-scoped temporary table
Store intermediate rows in a local # table.
temporary table✓ Tested
Use a small table variable
Declare rows for a short batch.
table variable✓ Tested