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比较操作符均为双目操作符，被比较的两个数据类型必须是相同的数据类型或者是可以进行隐式转换的类型。
openGauss提供的比较操作符请参见表1。
表 1 比较操作符
比较操作符
- 编译指南
- 安装指南
- 性能优化指南
- 法律声明
- 发行说明
- 技术白皮书
- 关于openGauss
- 应用开发指南
- 数据库管理指南
- 快速入门
- 简易教程
- SQL参考
- 约束
- 创建表
- 系统操作
- 别名
- Schema
- DBE_PERF Schema
- Workload Manager
- Lock
- File
- Transaction
- Cache/IO
- SUMMARY_STATIO_SYS_SEQUENCES
- GLOBAL_STATIO_SYS_INDEXES
- SUMMARY_STATIO_SYS_TABLES
- STATIO_SYS_SEQUENCES
- SUMMARY_STATIO_ALL_TABLES
- GLOBAL_STATIO_SYS_SEQUENCES
- SUMMARY_STATIO_SYS_INDEXES
- GLOBAL_STATIO_ALL_TABLES
- STATIO_ALL_TABLES
- SUMMARY_STATIO_USER_SEQUENCES
- STATIO_USER_TABLES
- GLOBAL_STATIO_USER_SEQUENCES
- STATIO_SYS_INDEXES
- STATIO_ALL_INDEXES
- STATIO_USER_SEQUENCES
- SUMMARY_STATIO_ALL_SEQUENCES
- SUMMARY_STATIO_ALL_INDEXES
- STATIO_USER_INDEXES
- STATIO_ALL_SEQUENCES
- GLOBAL_STAT_SESSION_CU
- GLOBAL_STAT_DB_CU
- GLOBAL_STATIO_ALL_INDEXES
- SUMMARY_STATIO_USER_TABLES
- SUMMARY_STATIO_USER_INDEXES
- GLOBAL_STATIO_USER_INDEXES
- GLOBAL_STATIO_ALL_SEQUENCES
- GLOBAL_STATIO_SYS_TABLES
- STATIO_SYS_TABLES
- GLOBAL_STATIO_USER_TABLES
- Object
- GLOBAL_STAT_USER_FUNCTIONS
- STAT_SYS_INDEXES
- STAT_XACT_ALL_TABLES
- STAT_XACT_SYS_TABLES
- SUMMARY_STAT_ALL_TABLES
- GLOBAL_STAT_USER_INDEXES
- SUMMARY_STAT_XACT_USER_FUNCTIONS
- SUMMARY_STAT_USER_FUNCTIONS
- GLOBAL_STAT_XACT_USER_FUNCTIONS
- STAT_XACT_USER_TABLES
- STAT_ALL_INDEXES
- STAT_USER_FUNCTIONS
- GLOBAL_STAT_SYS_TABLES
- GLOBAL_STAT_USER_TABLES
- STAT_DATABASE
- GLOBAL_STAT_BAD_BLOCK
- GLOBAL_STAT_DATABASE
- SUMMARY_STAT_BAD_BLOCK
- GLOBAL_STAT_DATABASE_CONFLICTS
- SUMMARY_STAT_USER_TABLES
- SUMMARY_STAT_XACT_USER_TABLES
- STAT_BAD_BLOCK
- SUMMARY_STAT_XACT_SYS_TABLES
- STAT_XACT_USER_FUNCTIONS
- SUMMARY_STAT_XACT_ALL_TABLES
- STAT_USER_INDEXES
- GLOBAL_STAT_XACT_USER_TABLES
- GLOBAL_STAT_SYS_INDEXES
- GLOBAL_STAT_XACT_ALL_TABLES
- GLOBAL_STAT_ALL_TABLES
- STAT_USER_TABLES
- STAT_DATABASE_CONFLICTS
- STAT_SYS_TABLES
- STAT_ALL_TABLES
- SUMMARY_STAT_DATABASE_CONFLICTS
- GLOBAL_STAT_ALL_INDEXES
- SUMMARY_STAT_ALL_INDEXES
- SUMMARY_STAT_SYS_TABLES
- GLOBAL_STAT_XACT_SYS_TABLES
- SUMMARY_STAT_DATABASE
- SUMMARY_STAT_SYS_INDEXES
- SUMMARY_STAT_USER_INDEXES
- Session/Thread
- GLOBAL_SESSION_STAT_ACTIVITY
- THREAD_WAIT_STATUS
- SESSION_TIME
- GLOBAL_SESSION_TIME
- GLOBAL_SESSION_MEMORY_DETAIL
- GLOBAL_SESSION_MEMORY
- SESSION_CPU_RUNTIME
- LOCAL_THREADPOOL_STATUS
- SESSION_STAT_ACTIVITY
- SESSION_MEMORY
- STATEMENT_IOSTAT_COMPLEX_RUNTIME
- SESSION_MEMORY_RUNTIME
- GLOBAL_THREADPOOL_STATUS
- GLOBAL_SESSION_STAT
- SESSION_MEMORY_DETAIL
- GLOBAL_THREAD_WAIT_STATUS
- LOCAL_ACTIVE_SESSION
- SESSION_STAT
- Memory
- OS
- Wait Events
- Workload
- Utility
- GLOBAL_REPLICATION_SLOTS
- GLOBAL_RECORD_RESET_TIME
- GLOBAL_PAGEWRITER_STATUS
- GLOBAL_RECOVERY_STATUS
- GLOBAL_CANDIDATE_STATUS
- GLOBAL_BGWRITER_STAT
- REPLICATION_STAT
- BGWRITER_STAT
- GLOBAL_REDO_STATUS
- GLOBAL_GET_BGWRITER_STATUS
- CLASS_VITAL_INFO
- GLOBAL_REPLICATION_STAT
- GLOBAL_DOUBLE_WRITE_STATUS
- GLOBAL_CKPT_STATUS
- REPLICATION_SLOTS
- GLOBAL_SINGLE_FLUSH_DW_STATUS
- SUMMARY_USER_LOGIN
- USER_LOGIN
- Operator
- RTO
- Query
- STATEMENT_COUNT
- STATEMENT_HISTORY
- GLOBAL_STATEMENT_COMPLEX_HISTORY
- STATEMENT_RESPONSETIME_PERCENTILE
- STATEMENT_WLMSTAT_COMPLEX_RUNTIME
- STATEMENT_COMPLEX_RUNTIME
- STATEMENT
- STATEMENT_COMPLEX_HISTORY_TABLE
- GLOBAL_SLOW_QUERY_HISTORY（废弃）
- GLOBAL_STATEMENT_COMPLEX_RUNTIME
- GS_SLOW_QUERY_HISTORY（废弃）
- GLOBAL_SLOW_QUERY_INFO（废弃）
- SUMMARY_STATEMENT
- STATEMENT_COMPLEX_HISTORY
- GS_SLOW_QUERY_INFO（废弃）
- SUMMARY_STATEMENT_COUNT
- GLOBAL_STATEMENT_COMPLEX_HISTORY_TABLE
- GLOBAL_STATEMENT_COUNT
- Instance
- Global Plancache
- Configuration
- Information Schema
- DB4AI Schema
- DBE_PLDEVELOPER
- DBE_PLDEBUGGER Schema
- DBE_PLDEBUGGER.step
- DBE_PLDEBUGGER.continue
- DBE_PLDEBUGGER.next
- DBE_PLDEBUGGER.info_code
- DBE_PLDEBUGGER.delete_breakpoint
- DBE_PLDEBUGGER.attach
- DBE_PLDEBUGGER.finish
- DBE_PLDEBUGGER.set_var
- DBE_PLDEBUGGER.turn_off
- DBE_PLDEBUGGER.print_var
- DBE_PLDEBUGGER.abort
- DBE_PLDEBUGGER.turn_on
- DBE_PLDEBUGGER.backtrace
- DBE_PLDEBUGGER.enable_breakpoint
- DBE_PLDEBUGGER.add_breakpoint
- DBE_PLDEBUGGER.info_breakpoints
- DBE_PLDEBUGGER.local_debug_server_info
- DBE_PLDEBUGGER.info_locals
- DBE_PLDEBUGGER.disable_breakpoint
- DBE_SQL_UTIL Schema
- WDR Snapshot Schema
- DBE_PERF Schema
- 扩展函数
- 匿名块
- 扩展语法
- 存储过程
- 触发器
- 自治事务
- 物化视图
- 索引
- 管理事务
- 类型基础值
- 全文检索
- SQL语言结构和语法
- 关键字
- DML语法一览表
- 表达式
- DDL语法一览表
- 常量与宏
- SQL语法
- DEALLOCATE
- ALTER MASKING POLICY
- ALTER VIEW
- MERGE INTO
- DROP GLOBAL CONFIGURATION
- COMMIT | END
- DROP OWNED
- ALTER USER
- CREATE TRIGGER
- ABORT
- ROLLBACK PREPARED
- REFRESH MATERIALIZED VIEW
- CREATE AUDIT POLICY
- ALTER EVENT TRIGGER
- ALTER TRIGGER
- DROP FOREIGN TABLE
- DROP RULE
- ALTER EVENT
- CREATE AGGREGATE
- ALTER SYSTEM KILL SESSION
- ALTER TYPE
- RESET
- CREATE RULE
- PREDICT BY
- REFRESH INCREMENTAL MATERIALIZED VIEW
- ALTER AGGREGATE
- SET ROLE
- ALTER SESSION
- CREATE SERVER
- ALTER SEQUENCE
- COPY
- CREATE MODEL
- CLOSE
- REVOKE
- DROP TEXT SEARCH DICTIONARY
- CREATE TEXT SEARCH CONFIGURATION
- ALTER SYSTEM SET
- CLUSTER
- CREATE DATA SOURCE
- COMMIT PREPARED
- CREATE TEXT SEARCH DICTIONARY
- ALTER AUDIT POLICY
- ALTER MATERIALIZED VIEW
- ALTER TABLE
- ALTER DEFAULT PRIVILEGES
- ALTER FOREIGN TABLE
- CREATE INDEX
- SHRINK
- DROP FOREIGN DATA WRAPPER
- CREATE CLIENT MASTER KEY
- ANALYZE | ANALYSE
- CREATE SCHEMA
- ALTER RESOURCE POOL
- VACUUM
- ALTER TABLE SUBPARTITION
- ALTER PACKAGE
- ALTER INDEX
- DROP GROUP
- DROP USER MAPPING
- DROP WEAK PASSWORD DICTIONARY
- ALTER OPERATOR
- CREATE WEAK PASSWORD DICTIONARY
- CREATE TABLE AS
- CREATE SEQUENCE
- ALTER USER MAPPING
- CREATE DIRECTORY
- CREATE RESOURCE LABEL
- DROP TABLE
- DROP TABLESPACE
- SHUTDOWN
- DROP TRIGGER
- CREATE OPERATOR
- DROP ROW LEVEL SECURITY POLICY
- PREPARE
- DROP INDEX
- CREATE SUBSCRIPTION
- DROP COLUMN ENCRYPTION KEY
- CREATE PUBLICATION
- ALTER DATABASE
- CREATE TABLESPACE
- CREATE TYPE
- GRANT
- ALTER ROW LEVEL SECURITY POLICY
- TIMECAPSULE TABLE
- CREATE GROUP
- ALTER PROCEDURE
- DROP PACKAGE
- ALTER TABLESPACE
- MOVE
- CREATE DATABASE
- ALTER ROLE
- ALTER GLOBAL CONFIGURATION
- ALTER FOREIGN DATA WRAPPER
- RELEASE SAVEPOINT
- CALL
- CREATE FUNCTION
- DROP PUBLICATION
- DROP LANGUAGE
- ALTER EXTENSION
- DROP DATA SOURCE
- INSERT
- ALTER TEXT SEARCH DICTIONARY
- DROP MATERIALIZED VIEW
- DECLARE
- SHOW EVENTS
- EXPLAIN PLAN
- ALTER TEXT SEARCH CONFIGURATION
- CREATE CAST
- CHECKPOINT
- DROP EVENT
- CREATE FOREIGN TABLE
- DROP TEXT SEARCH CONFIGURATION
- PREPARE TRANSACTION
- DROP FUNCTION
- SET CONSTRAINTS
- SAVEPOINT
- DROP VIEW
- CREATE LANGUAGE
- TRUNCATE
- DROP CLIENT MASTER KEY
- CREATE EVENT
- FETCH
- DELETE
- DROP EVENT TRIGGER
- BEGIN
- PURGE
- UPDATE
- DROP MASKING POLICY
- CREATE USER
- ALTER SUBSCRIPTION
- ALTER SERVER
- DROP CAST
- CREATE SYNONYM
- DROP SERVER
- CREATE USER MAPPING
- SELECT INTO
- CREATE TABLE
- DROP PROCEDURE
- DROP AGGREGATE
- LOCK
- ALTER GROUP
- ALTER SYNONYM
- CREATE COLUMN ENCRYPTION KEY
- SET
- CREATE MATERIALIZED VIEW
- DROP RESOURCE POOL
- ALTER LANGUAGE
- CREATE EVENT TRIGGER
- START TRANSACTION
- ROLLBACK TO SAVEPOINT
- CREATE RESOURCE POOL
- CREATE MASKING POLICY
- SELECT
- DROP OPERATOR
- DROP TYPE
- ALTER DIRECTORY
- DROP SYNONYM
- REINDEX
- EXPLAIN
- CREATE TABLE PARTITION
- CREATE VIEW
- CURSOR
- ALTER SCHEMA
- CREATE PACKAGE
- ALTER RESOURCE LABEL
- CREATE PROCEDURE
- DROP SCHEMA
- ALTER PUBLICATION
- DROP AUDIT POLICY
- DROP DIRECTORY
- CREATE EXTENSION
- SET SESSION AUTHORIZATION
- DROP USER
- SET TRANSACTION
- EXECUTE
- REASSIGN OWNED
- DO
- DROP ROLE
- DROP DATABASE
- DROP SUBSCRIPTION
- CREATE ROW LEVEL SECURITY POLICY
- ALTER DATA SOURCE
- ALTER TABLE PARTITION
- CREATE ROLE
- CREATE INCREMENTAL MATERIALIZED VIEW
- DROP MODEL
- SQL语法格式说明
- DROP RESOURCE LABEL
- COMMENT
- ROLLBACK
- ALTER FUNCTION
- DROP EXTENSION
- VALUES
- SHOW
- CREATE FOREIGN DATA WRAPPER
- CLEAN CONNECTION
- SNAPSHOT
- DROP SEQUENCE
- ALTER LARGE OBJECT
- DCL语法一览表
- 子查询
- 数据类型
- 锁
- 函数和操作符
- 密态等值的函数
- 逻辑操作符
- 模式匹配操作符
- 文本检索函数和操作符
- 全局临时表函数
- Global SysCache特性函数
- 触发器函数
- 数组函数和操作符
- 二进制字符串函数和操作符
- 聚集函数
- 动态数据脱敏函数
- JSON/JSONB函数和操作符
- 内部函数
- 其他系统函数
- 提示信息函数
- 条件表达式函数
- 时间和日期处理函数和操作符
- 故障注入系统函数
- HLL函数和操作符
- 比较操作符
- 几何函数和操作符
- 网络地址函数和操作符
- 系统管理函数
- 账本数据库的函数
- 类型转换函数
- 窗口函数
- 系统信息函数
- 范围函数和操作符
- 数据损坏检测修复函数
- SEQUENCE函数
- 字符处理函数和操作符
- AI特性函数
- HashFunc函数
- 返回集合的函数
- 位串函数和操作符
- 数字操作函数和操作符
- 废弃函数
- 统计信息函数
- 安全函数
- GIN索引
- PL/pgSQL语言函数
- 分区表
- 类型转换
- 工具与命令参考
- 数据库参考
- 系统表和系统视图
- 系统视图
- PG_LOCKS
- PG_STATIO_USER_INDEXES
- PG_COMM_RECV_STREAM
- PG_STAT_ALL_TABLES
- PG_TIMEZONE_NAMES
- PG_STATIO_USER_TABLES
- PG_PREPARED_XACTS
- PG_STAT_XACT_USER_FUNCTIONS
- PG_GET_INVALID_BACKENDS
- GS_SESSION_CPU_STATISTICS
- PG_AVAILABLE_EXTENSION_VERSIONS
- GS_TOTAL_MEMORY_DETAIL
- PG_STAT_XACT_USER_TABLES
- PG_GTT_RELSTATS
- GS_LSC_MEMORY_DETAIL
- PG_COMM_STATUS
- PG_STAT_USER_INDEXES
- PG_STATIO_USER_SEQUENCES
- GS_SESSION_MEMORY_DETAIL
- GS_LABELS
- PG_WLM_STATISTICS
- GS_FILE_STAT
- PG_REPLICATION_SLOTS
- PG_STAT_DATABASE_CONFLICTS
- PG_STAT_SYS_INDEXES
- GS_THREAD_MEMORY_CONTEXT
- GS_SESSION_MEMORY_CONTEXT
- PG_PREPARED_STATEMENTS
- GS_WLM_PLAN_OPERATOR_HISTORY
- PG_GTT_ATTACHED_PIDS
- PG_STATIO_SYS_TABLES
- GS_WLM_OPERATOR_STATISTICS
- GS_WLM_SESSION_INFO_ALL
- PG_RULES
- GS_SESSION_MEMORY_STATISTICS
- GS_REDO_STAT
- PG_PUBLICATION_TABLES
- PG_STAT_BAD_BLOCK
- PG_REPLICATION_ORIGIN_STATUS
- PG_TOTAL_USER_RESOURCE_INFO
- GS_MASKING
- PG_STAT_BGWRITER
- MPP_TABLES
- PG_TIMEZONE_ABBREVS
- PG_SHADOW
- PG_NODE_ENV
- GS_WLM_SESSION_INFO
- GS_WLM_CGROUP_INFO
- GS_GSC_MEMORY_DETAIL
- GS_SESSION_MEMORY
- PG_STATIO_ALL_INDEXES
- GS_DB_PRIVILEGES
- GS_SESSION_STAT
- PG_STATIO_ALL_SEQUENCES
- PG_STAT_USER_FUNCTIONS
- GS_WLM_SESSION_HISTORY
- PG_STATS
- GS_WLM_REBUILD_USER_RESOURCE_POOL
- GS_WLM_OPERATOR_HISTORY
- PG_RUNNING_XACTS
- PG_INDEXES
- PG_GROUP
- GS_OS_RUN_INFO
- GET_GLOBAL_PREPARED_XACTS（废弃）
- PG_STAT_USER_TABLES
- PG_STAT_SUBSCRIPTION
- GS_WLM_RESOURCE_POOL
- GS_WLM_SESSION_STATISTICS
- PG_STAT_XACT_ALL_TABLES
- PG_TOTAL_USER_RESOURCE_INFO_OID
- PLAN_TABLE
- GS_AUDITING
- GS_WLM_EC_OPERATOR_STATISTICS
- PG_USER_MAPPINGS
- GS_INSTANCE_TIME
- GS_SESSION_TIME
- PG_STAT_SYS_TABLES
- GS_AUDITING_PRIVILEGE
- PG_CURSORS
- PG_SESSION_IOSTAT
- PG_SESSION_WLMSTAT
- GS_WLM_USER_INFO
- PG_STATIO_ALL_TABLES
- PG_VIEWS
- PG_THREAD_WAIT_STATUS
- PG_VARIABLE_INFO
- PG_TDE_INFO
- PG_STAT_ACTIVITY
- PG_ROLES
- PGXC_PREPARED_XACTS
- PG_EXT_STATS
- PG_USER
- PG_SETTINGS
- GS_STAT_SESSION_CU
- PG_COMM_DELAY
- PG_TOTAL_MEMORY_DETAIL
- PG_AVAILABLE_EXTENSIONS
- PG_STATIO_SYS_SEQUENCES
- PG_TABLES
- PG_STAT_XACT_SYS_TABLES
- GS_AUDITING_ACCESS
- PG_RLSPOLICIES
- PG_STAT_ALL_INDEXES
- PG_STAT_REPLICATION
- PG_GTT_STATS
- PG_SECLABELS
- PG_CONTROL_GROUP_CONFIG
- PG_STAT_DATABASE
- PG_STATIO_SYS_INDEXES
- GS_SQL_COUNT
- GS_MATVIEWS
- PG_OS_THREADS
- PG_GET_SENDERS_CATCHUP_TIME
- PG_STAT_ACTIVITY_NG
- PG_COMM_SEND_STREAM
- 系统表
- PG_CAST
- PG_AUTH_MEMBERS
- GS_GLOBAL_CONFIG
- PG_LARGEOBJECT_METADATA
- GS_OPT_MODEL
- GS_TXN_SNAPSHOT
- PG_REPLICATION_ORIGIN
- PG_CONVERSION
- PG_SHAboutopenGauss
- GS_ENCRYPTED_PROC
- GS_MASKING_POLICY_ACTIONS
- PG_RESOURCE_POOL
- GS_MODEL_WAREHOUSE
- PG_PUBLICATION
- PG_AM
- PG_CONSTRAINT
- GS_PACKAGE
- GS_WLM_PLAN_OPERATOR_INFO
- PG_DIRECTORY
- GS_SQL_PATCH
- PG_CLASS
- PG_STATISTIC
- PG_APP_WORKLOADGROUP_MAPPING
- PG_SUBSCRIPTION_REL
- GS_COLUMN_KEYS_ARGS
- PG_DATABASE
- STATEMENT_HISTORY
- PG_SYNONYM
- PG_LARGEOBJECT
- GS_WLM_INSTANCE_HISTORY
- GS_AUDITING_POLICY
- PG_DB_ROLE_SETTING
- PG_RLSPOLICY
- PG_TYPE
- PG_RANGE
- PG_FOREIGN_SERVER
- PG_DEPEND
- GS_UID
- PG_ATTRDEF
- PG_PROC
- GS_ASP
- PG_SECLABEL
- PG_AUTH_HISTORY
- PG_ATTRIBUTE
- GS_AUDITING_POLICY_FILTERS
- PG_AboutopenGauss
- GS_WLM_OPERATOR_INFO
- PG_TS_PARSER
- PG_STATISTIC_EXT
- PG_TS_TEMPLATE
- PG_TABLESPACE
- PG_REWRITE
- PG_HASHBUCKET
- PG_TRIGGER
- GS_AUDITING_POLICY_PRIVILEGES
- PGXC_SLICE
- PG_AUTHID
- PG_TS_CONFIG
- GS_POLICY_LABEL
- PG_INHERITS
- PG_EXTENSION_DATA_SOURCE
- PG_TS_DICT
- PG_SET
- PG_OPCLASS
- GS_MASKING_POLICY_FILTERS
- PG_USER_STATUS
- PG_OBJECT
- GS_WLM_SESSION_QUERY_INFO_ALL
- GS_ENCRYPTED_COLUMNS
- PG_DEFAULT_ACL
- PG_SUBSCRIPTION
- GS_MATVIEW_DEPENDENCY
- PG_TS_CONFIG_MAP
- PG_INDEX
- PG_OPFAMILY
- GS_CLIENT_GLOBAL_KEYS_ARGS
- PG_PUBLICATION_REL
- GS_DB_PRIVILEGE
- PG_SHSECLABEL
- GS_AUDITING_POLICY_ACCESS
- PG_EVENT_TRIGGER
- PG_ENUM
- PG_JOB
- GS_WLM_USER_RESOURCE_HISTORY
- PGXC_NODE
- GS_WLM_EC_OPERATOR_INFO
- PG_PLTEMPLATE
- GS_RECYCLEBIN
- PG_AGGREGATE
- PG_LANGUAGE
- GS_CLIENT_GLOBAL_KEYS
- PG_PARTITION
- PG_AMPROC
- PGXC_CLASS
- PG_SHDEPEND
- GS_GLOBAL_CHAIN
- GS_COLUMN_KEYS
- PLAN_TABLE_DATA
- PG_WORKLOAD_GROUP
- PG_COLLATION
- PGXC_GROUP
- GS_MASKING_POLICY
- GS_WLM_PLAN_ENCODING_TABLE
- PG_JOB_PROC
- PG_USER_MAPPING
- PG_AMOP
- PG_FOREIGN_TABLE
- PG_NAMESPACE
- PG_FOREIGN_DATA_WRAPPER
- PG_EXTENSION
- PG_OPERATOR
- GS_MATVIEW
- 系统表和系统视图概述
- 查看系统表
- 系统视图
- GUC参数说明
- 错误码参考
- GAUSS-05201– GAUSS-05300
- GAUSS-04201 – GAUSS-04300
- GAUSS-00901 – GAUSS-01000
- GAUSS-04601 – GAUSS-04700
- GAUSS-00501 – GAUSS-00600
- GAUSS-07301 – GAUSS-07400
- GAUSS-06301 – GAUSS-06400
- GAUSS-03301 – GAUSS-03400
- GAUSS-02201 – GAUSS-02300
- SQL标准错误码说明
- GAUSS-05601 – GAUSS-05700
- GAUSS-04401 – GAUSS-04500
- GAUSS-06401 – GAUSS-06500
- GAUSS-00001 – GAUSS-00100
- GAUSS-50000 – GAUSS-50999
- GAUSS-02701 – GAUSS-02800
- GAUSS-06801 – GAUSS-06900
- GAUSS-05501 – GAUSS-05600
- GAUSS-05101 – GAUSS-05200
- GAUSS-04501 – GAUSS-04600
- GAUSS-02001 – GAUSS-02100
- GAUSS-07001 – GAUSS-07100
- GAUSS-05801 – GAUSS-05900
- GAUSS-06501 – GAUSS-06600
- GAUSS-01201 – GAUSS-01300
- GAUSS-00401 – GAUSS-00500
- GAUSS-02801 – GAUSS-02900
- GAUSS-02401 – GAUSS-02500
- GAUSS-00101 – GAUSS-00200
- GAUSS-06101 – GAUSS-06200
- GAUSS-03701 – GAUSS-03800
- GAUSS-00601 – GAUSS-00700
- GAUSS-01101 – GAUSS-01200
- GAUSS-05701 – GAUSS-05800
- GAUSS-07201 – GAUSS-07300
- GAUSS-04001 – GAUSS-04100
- GAUSS-04701 – GAUSS-04800
- GAUSS-00701 – GAUSS-00800
- GAUSS-01701 – GAUSS-01800
- GAUSS-06701 – GAUSS-06800
- GAUSS-52000 – GAUSS-52999
- GAUSS-00301 – GAUSS-00400
- GAUSS-07401 – GAUSS-07500
- GAUSS-03801 – GAUSS-03900
- GAUSS-01301 – GAUSS-01400
- GAUSS-06901 – GAUSS-07000
- GAUSS-03901 – GAUSS-04000
- GAUSS-53000 – GAUSS-53999
- GAUSS-05001 – GAUSS-05100
- GAUSS-03201 – GAUSS-03300
- GAUSS-06201 – GAUSS-06300
- GAUSS-02601 – GAUSS-02700
- GAUSS-03101 – GAUSS-03200
- GAUSS-05401 – GAUSS-05500
- GAUSS-06001 – GAUSS-06100
- GAUSS-03401 – GAUSS-03500
- GAUSS-02101 – GAUSS-02200
- GAUSS-07101 – GAUSS-07200
- 第三方库错误码说明
- GAUSS-06601 – GAUSS-06700
- GAUSS-00201 – GAUSS-00300
- GAUSS-04301 – GAUSS-04400
- GAUSS-04801 – GAUSS-04900
- GAUSS-02301 – GAUSS-02400
- GAUSS-04901 – GAUSS-05000
- GAUSS-01901 – GAUSS-02000
- GAUSS-51000 – GAUSS-51999
- GAUSS-04101 – GAUSS-04200
- GAUSS-01001 – GAUSS-01100
- GAUSS-02501 – GAUSS-02600
- GAUSS-01801 – GAUSS-01900
- GAUSS-02901 – GAUSS-03000
- GAUSS-01501 – GAUSS-01600
- GAUSS-03001 – GAUSS-03100
- GAUSS-05301 – GAUSS-05400
- GAUSS-03601 – GAUSS-03700
- GAUSS-01401 – GAUSS-01500
- GAUSS-05901 – GAUSS-06000
- GAUSS-01601 – GAUSS-01700
- GAUSS-00801 – GAUSS-00900
- GAUSS-03501 – GAUSS-03600
- 系统表和系统视图
- 数据库运维指南
- 例行维护
- 常见故障定位指南
- 常见故障定位案例
- 备机处于need repair(WAL)状态问题
- 服务启动失败
- 分析查询语句运行状态
- 分析查询语句是否被阻塞
- 在XFS文件系统中，使用du命令查询数据文件大小大于文件实际大小
- 出现“Error:No space left on device”提示
- core问题定位
- 分析查询语句长时间运行的问题
- 修改索引时只调用索引名提示索引不存在
- 分析查询效率异常降低的问题
- 磁盘空间达到阈值，数据库只读
- 高并发报错”too many clients already”或无法创建线程
- 在XFS文件系统中，出现文件损坏
- 重建索引失败
- 不同用户查询同表显示数据不同
- VACUUM FULL一张表后，表文件大小无变化
- 执行修改表分区操作时报错
- 内存不足问题
- 强制结束指定的问题会话
- 业务运行时整数转换错
- TPCC运行时，注入磁盘满故障，TPCC卡住的问题
- 执行 SQL 语句时，提示 Lock wait timeout
- btree 索引故障情况下应对策略
- 常见故障定位手段
- 常见故障定位案例
- 备份与恢复
- 日志参考
- 高危操作一览表
- 逻辑复制
- 启停openGauss
- 附录
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