检测到您已登录华为云国际站账号,为了您更好的体验,建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
目前提供通过会话session设置或SQL语句hint方式设置开启NDP,默认状态为关闭。 通过session设置 通过hint方式设置 其他explain格式 父主题: 算子下推(NDP)
prePaid:预付费,即包年/包月。 postPaid:后付费,即按需付费。 枚举值: prePaid postPaid period_type String 订购周期类型。 取值范围: month:包月。 year:包年。 说明:“charge_mode”为“prePaid”时生效,且为必选值。
节点名称。 weight Integer 节点读写分离权重。 available_zones Array of MysqlProxyAvailable objects 可用区信息。 表7 MysqlProxyAvailable 参数 参数类型 描述 code String 可用区编码。
节点名称。 weight Integer 节点读写分离权重。 available_zones Array of MysqlProxyAvailable objects 可用区信息。 表7 MysqlProxyAvailable 参数 参数类型 描述 code String 可用区编码。
public static void main(String[] args) { // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great
源。 涉及到复杂SQL语句时,优先参考已有索引进行设计,通过执行explain,查看执行计划,利用索引,增加更多查询限制条件。 使用新的SELECT、UPDATE、DELETE语句时,都需要通过explain查看执行计划中的索引使用情况,尽量避免extra列出现:Using File