log-bin=mysql-bin #开启二进制日志 auto_increment_increment=2 #步进值auto_imcrement。一般有n台主MySQL就填n auto_increment_offset=1 #起始值。一般填第n台主MySQL。此时为第一台主MySQL binlog-ignore=mysql #忽略mysql库【我一般都不写】 binlog-ignore=information_schema #忽略information_schema库【我...
2、PostgreSQL数据库实现表字段的自增 在使用Mysql时,创建表结构时可以通过关键字auto_increment来指定主键是否自增。但在Postgresql数据库中,虽然可以实现字段的自增,但从本质上来说却并不支持Mysql那样的自增。 Postgresql的自增机制 Postgresql中字段的自增是通过序列来实现的。整体机制是:1、序列可以实现自动增长;2...
CREATEDICTIONARY flow_tag.pod_ns_map(`id`UInt64,`name`String,`icon_id`Int64)PRIMARYKEYid SOURCE(MYSQL(PORT30130USER'root'PASSWORD'deepflow'REPLICA(HOST'deepflow-mysql'PRIORITY1)DB DeepFlowTABLEch_pod_ns INVALIDATE_QUERY'select(select updated_at from ch_pod_ns order by updated_at desc limit 1...
GGSCI (oracle77) 2> edit param mgr --端口可以自定义 port 2031 dynamicportlist 2032-2040 purgeoldextracts ./dirdat/*, usecheckpoints,minkeephours 24 AUTORESTART ER *, RETRIES 3, WAITMINUTES 2,RESETMINUTES 10 GGSCI (oracle77) 3> start mgr Manager started. GGSCI (oracle77) 4> info all Pr...
* @Column(name="id", type="int4", length=-1, accuracy=0, nullable=false, default="", isPrimaryKey=true, primaryKeyIndex=1, isAutoIncrement=true, ndims=0, virtual=false) */ 2 changes: 0 additions & 2 deletions 2 src/Components/pgsql/tests/Model/Base/PerformanceBase.php Original fi...
serial 4 bytes autoincrementing integer 1 to 2147483647 bigserial 8 bytes large autoincrementing integer 1 to 9223372036854775807Monetary TypesThe money type stores a currency amount with a fixed fractional precision. Values of the numeric, int, and bigint data types can be cast to money. Using...
The destination database sequence value is automatically reset. The auto-increment sequence value is the source database sequence value plus the security margin, and the auto-decrement sequence value is the source database sequence value minus the security margin. The default security margin is 10,...
Support of auto-increment in Access/Paradox/Dbase Import. Support of foreign key/index/unique constraints in Access/ODBC Import. Support of MS Access Password security. Improved Field Type mapping accuracy. Export Wizard Improved Field Type mapping accuracy. Query Building Added "Explain" button....
SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. Reset a runningvalue? Resetting page number when group changes in SSRS restoring a deleted report or subscriptions on SSRS Restricting Date Parameter Values Retrieve Boolean True and False values ...
# Existing tableALTERTABLE<original_table>ADDCOLUMN<id_column_name>BIGINTPRIMARYKEYGENERATED { ALWAYS|BYDEFAULT}ASIDENTITY;-- Use ALWAYS to force use auto-generated IDENTITY values; BY DEFAULT will auto-generate IDENTITY value if not provided by the write...