Other names may be trademarks of their respective owners. Shows the structure of a MySQL database (databases, tables, and columns). Usage: mysqlshow [OPTIONS] [database [table [column]]] If last argument contains a shell or SQL wildcard (*,?,% or _) then only what's matched by the...
IFNULL() Null if/else construct NULLIF() Return NULL if expr1 = expr2String FunctionsNameDescription ASCII() Return numeric value of left-most character BIN() Return a string containing binary representation of a number BIT_LENGTH() Return length of argument in bits CHAR() Return the characte...
· 错误:1225 SQLSTATE: HY000 (ER_DUP_ARGUMENT) 消息:在语句中使用了两次选项'%s'。 · 错误:1226 SQLSTATE: 42000 (ER_USER_LIMIT_REACHED) 消息:用户'%s'超出了'%s'资源(当前值:%ld)。 · 错误:1227 SQLSTATE: 42000 (ER_SPECIFIC_ACCESS_DENIED_ERROR) 消息:拒绝访问,需要%s权限才能执行该操作。 ...
错误号:1225; 符号: ER_DUP_ARGUMENT; SQLSTATE: HY000 消息:选项“%s”在语句中使用了两次 错误号:1226; 符号: ER_USER_LIMIT_REACHED; SQLSTATE: 42000 消息:用户'%s'已超出'%s'资源(当前值:%ld) 错误号:1227; 符号: ER_SPECIFIC_ACCESS_DENIED_ERROR; SQLSTATE:42000 消息:访问被拒绝;您需要(至少一...
错误:1225SQLSTATE: () HY000 ER_DUP_ARGUMENT 消息:选项’%s’在语句中使用两次 错误:1226SQLSTATE: () 42000 ER_USER_LIMIT_REACHED 消息:用户’%s’已经超过’%s’资源(当前值:%ld) 错误:1227SQLSTATE: () 42000 ER_SPECIFIC_ACCESS_DENIED_ERROR ...
错误:1171SQLSTATE: () 42000 ER_PRIMARY_CANT_HAVE_NULL 消息:PRIMARY KEY的所有部分必须不为NULL; 如果在一个键中需要NULL,则使用UNIQUE 错误:1172SQLSTATE: () 42000 ER_TOO_MANY_ROWS 消息:结果由多行组成 错误:1173SQLSTATE: () 42000 ER_REQUIRES_PRIMARY_KEY ...
checkArgument(context.getString(DATABASE) != null && context.getString(DATABASE).length() > 0, "ClickHouse database must be specified!"); this.database = context.getString(DATABASE); Preconditions.checkArgument(context.getString(TABLE) != null && context.getString(TABLE).length() > 0, "...
MySQL cannot see any other changes made to existing columns using the NDB API. Signature void setName ( const char* name ) Parameters This method takes a single argument—the new name for the column. Return value This method None. ...
Transaction support inserverless-mysqlhas been dramatically simplified. Start a new transaction using thetransaction()method, and then chain queries using thequery()method. Thequery()method supports all standard query options. Alternatively, you can specify a function as the only argument in aquery(...
--remap-column takes as its argument a string having the format db.tbl.col:fn:args, where db, tbl, and col are, respectively, the names of the database, table, and column, fn is the name of a remapping function, and args is one or more arguments to fn. There is no default value...