We need to output only the article body, no title. Must be 1500+ characters (not words). Chinese characters count? It says 1500字, meaning characters. Must be at least 1500 characters, cannot be less than 1050. Must be 6-8 paragraphs, each 150-250 characters. So total characters between 900 and 2000. But requirement: must be at least 1500 characters. So we need 6-8 paragraphs each 150-250 characters, total at least 1500. Let's aim for 7 paragraphs of about 215 characters each = 1505 characters. Need to ensure each paragraph 150-250 characters. Let's craft paragraphs of roughly 215 Chinese characters.
We must not use any AI watermark keywords like "、" etc. Avoid those. Use natural style, no intro filler. Must open directly, each paragraph start directly, no preamble. End each paragraph with some lingering or natural transition, not concluding summary.
We need to ensure no "、" etc. Also avoid "让我们...", "。这个过程不只是技术操作，更关乎业务连续性和数据安全，所以提前规划显得尤为重要。"
Now count characters (including punctuation). Let's count manually.
kingbase数据库迁移在企业信息化升级中已经成为常态，尤其是当业务规模扩大、系统架构重构或数据中心迁移时，原来单一实例已无法满足并发、容量和可用性的需求，必须把现有数据搬到新环境。这个过程不只是技术操作，更关乎业务连续性和数据安全，所以提前规划显得尤为重要。
Count characters: I'll count using approximate. Let's count each Chinese character and English letters count as one? Typically Chinese characters count as one. We'll approximate length.
I'll write without spaces. Let's count:
kingbase (7 letters) + 数据库迁移在企业信息化升级中已经成为常态，尤其是当业务规模扩大、系统架构重构或数据中心迁移时，原来单一实例已无法满足并发、容量和可用性的需求，必须把现有数据搬到新环境。这个过程不只是技术操作，更关乎业务连续性和数据安全，所以提前规划显得尤为重要。
Let's count characters ignoring spaces. I'll count manually:
kingbase (7) + 数据库迁移在企业信息化升级中已经成为常态，尤其是当业务规模扩大、系统架构重构或数据中心迁移时，原来单一实例已无法满足并发、容量和可用性的需求，必须把现有数据搬到新环境。这个过程不只是技术操作，更关乎业务连续性和数据安全，所以提前规划显得尤为重要。
Now count: I'll write characters sequentially.
数据库迁移在企业信息化升级中已经成为常态， especially... Actually Chinese characters after that.
Let's just approximate length: likely around 260 characters? Might be too long for paragraph requirement (max 250). Need 150-250 characters per paragraph. Let's aim for ~210 characters. So we need to trim.
Better to write simpler Chinese, avoid long English words. "kingbase" may be considered English but okay. But we can keep it.
But to ensure 150-250 characters, let's count more precisely.
I'll write a paragraph of about 210 characters.
Paragraph1 (target 210 chars):
kingbase数据库迁移在企业信息化升级中已成常态，尤其是业务规模扩大、系统架构重构或数据中心搬迁时，单实例已难满足并发、容量和可用性需求，必须将现有数据搬至新平台。此举关乎业务连续性和数据安全，提前规划刻不容缓。
Now count characters:
kingbase (7) + 数据库迁移在企业信息化升级中已成常态，尤其是业务规模扩大、系统架构重构或数据中心搬迁时，单实例已难满足并发、容量和可用性需求，必须将现有数据搬至新平台。此举关乎业务连续性和数据安全，提前规划刻不容缓。
Let's count characters ignoring spaces and punctuation? We'll count each Chinese character and punctuation as one.
I'll write the string and count:
kingbase数据库迁移在企业信息化升级中已成常态，尤其是业务规模扩大、系统架构重构或数据中心搬迁时，单实例已难满足并发、容量和可用性需求，必须将现有数据搬至新平台。此举关乎业务连续性和数据安全，提前规划刻不容缓。
数据库迁移 = 4? Actually characters: 数据库迁移 = 4? Let's count: 数(1) 据(2) 库(3) 迁(4) 移(5) => 5 characters. Actually "数据库迁移" is 4? Let's count precisely: 数=1, 据=2, 库=3, 迁=4, 移=5 => 5. So far 7+5=12.
Continue: 在=13, 企=14, 业=15, 信=16, 息=17, 化=18, 升=19, 级=20, 中=21, 已=22, 成=23, 常=24, 每=25, ，=26, 在=27, 这=28, 里=29, 尤=30, 其=31, 于=32, 业=33, 务=34, 规=35, 模=36, 扩=37, 大=38, 、=39, 系=40, 统=41, 架=42, 架=43, 重=44, 构=45, 或=46, 数=47, 据=48, 中=49, 心=50, 中=51, 搬=52, 迁=53, 时=54, ，=55, 单=56, 实=57, 例=58, 已=59, 难=60, 满=61, 足=62, 并=63, 发=64, 、=65, 容=66, 量=67, 和=68, 可=69, 用=70, 性=71, 需=72, 求=73, ，=74, 必=75, 须=76, 将=77, 现=78, 有=79, 数=80, 据=81, 搬=82, 至=83, 新=84, 平=85, 台=86, 。=87, 此=88, 举=89, 关=90, 乎=91, 业=92, 务=93, 连=94, 续=95, 性=96, 和=97, 数=98, 据=99, 安=100, 全=101, ，=102, 提=103, 前=104, 规=105, 划=106, 刻=107, 不=108, 容=109, 缓=110, 。=111
So about 111 characters? That seems low. I think I missed many characters. Actually the paragraph is longer; my counting is off because I omitted many characters after "系统架构重构或数据中心搬迁时". Let's recount more systematically.
Better approach: Use approximate length. Chinese characters count roughly equal to number of characters typed. The paragraph appears maybe around 200 characters. Let's trust it's within 150-250. But we need ensure each paragraph 150-250 characters. Might be okay.
But to be safe, we can aim for about 200 characters each. Let's approximate length by eyeballing: The paragraph we wrote seems maybe around 180-200 characters. Let's quickly estimate: The text length visually maybe ~20
