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Clarify one-based numbering for arrays #119

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merged 3 commits into from
Dec 9, 2024
Merged

Clarify one-based numbering for arrays #119

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5a91e6b
Update array-type.mdx
WanYixian Dec 9, 2024
bde8ed5
minor update
WanYixian Dec 9, 2024
f0e9b47
Merge branch 'main' into wyx/resolve_113
WanYixian Dec 9, 2024
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4 changes: 2 additions & 2 deletions sql/data-types/array-type.mdx
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@@ -1,6 +1,6 @@
---
title: "ARRAY type"
description: "An array `T[]` is an ordered list of zero or more elements that share the same data type."
description: "An array `T[]` is an ordered list of zero or more elements that share the same data type. PostgreSQL uses one-based indexing for arrays, meaning an array with n elements starts at `array[1]` and ends at `array[n]`. RisingWave also applies one-based indexing to align with PostgreSQL."
---

## Define an array
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To add values to an array, in the SQL statement, use ARRAY to indicate that this is an array, and then enclose the data in the array with `[]`. For example, `ARRAY ['ABCD1234', 'ABCD1235', 'ABCD1236', 'ABCD1237']`.

#### Examples[](#examples-1 "Direct link to Examples")
### Examples[](#examples-1 "Direct link to Examples")

Add values to table `x`:

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