SYS_CHANGE_VERSION bigint 與數據列上次變更相關聯的版本值 SYS_CHANGE_CREATION_VERSION bigint 與上次插入作業相關聯的版本值。 SYS_CHANGE_OPERATION nchar(1) 指定變更的類型: U = 更新 I = 插入 D = 刪除 SYS_CHANGE_COLUMNS varbinary(4100) 列出自last_
AI代码解释 {_id:{// 存储元信息"_data":<BinData|hex string>// resumeToken,用于断点续传},"operationType":"<operation>",// 包括:insert, delete, replace, update, drop, rename, dropDatabase, invalidate"fullDocument":{<document>},// 修改后的数据,出现在insert, replace, delete, update. 相当...
string<NUL>databaseschema name if more data available { if capabilities & CLIENT_PROTOCOL_41 { int<2>character_setnew connection character set. SeeCharacter Set }– CLIENT_PROTOCOL_41 if capabilities & CLIENT_PLUGIN_AUTH { string<NUL>auth_plugin_nameclient authentication plugin name used to gene...
connectsMaster+host: String+user: String+password: String+logFile: String+logPos: intSlave+host: String+user: String+password: String ER图 MASTERstringhoststringuserstringpasswordstringlogFileintlogPosSLAVEstringhoststringuserstringpasswordconnects 结论 MySQL的CHANGE MASTER TO命令和相应的删除操作是数据库管...
: forpttest Create Table: CREATE TABLE `forpttest` ( `id` int(6) DEFAULT NULL, `name` char(10) DEFAULT NULL, `comment` char(10) DEFAULT NULL, `abc` char(10) DEFAULT NULL ) ENGINE=InnoDB DEFAULT CHARSET=latin1 1 row in set (0.00 sec) mysql> alter table `forpttest` add ...
DECLARE l_loop_end INT default 0; DECLARE indic char(20); DECLARE cur_1 CURSOR FOR select `indicateur` FROM `source` WHERE `fichier`="revues"; DECLARE continue handler for sqlstate '02000' set l_loop_end = 1; open cur_1; repeat fetch cur_1 into indic; if not l_loop...
Changes the SQL Server password for the user indicated in the SqlCredential object. ChangePassword(String, String) Changes the SQL Server password for the user indicated in the connection string to the supplied new password.ChangePassword(String, SqlCredential, SecureString) Changes the SQL Server...
source_object_idint源表的 ID。 start_lsnbinary(10)日志序列号 (LSN),表示用于查询更改表的低端点。 NULL = 尚未建立低终结点。 end_lsnbinary(10)LSN,表示用于查询更改表的高端点。 在 SQL Server 2012 (11.x)中,此列始终NULL为此列。 supports_net_changesbit已启用净更改支持。
SQL 复制 DECLARE @publication AS sysname; DECLARE @article AS sysname; DECLARE @option AS int; SET @publication = N'AdvWorksProductTran'; SET @article = N'Product'; SET @option = (SELECT CAST(0x0000000002030073 AS int)); -- Change the schema options to replic...
function SaveStringsToFile(const FileName: String; consstrtr和str_replace字符替换函数 (一)strtr是字符替换函数 (1)单个字符替换: <?php echo strtr("abba", "ab", "10"),"\n"; echo strtr("baab", "ab", "01"),"\n"; ?> 输出结果为: (2)字符串对应替换: <?php $trans = array("ab"...